mirror of https://gitee.com/openkylin/linux.git
8742 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Hans de Goede
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bba013e1ca |
Input: allocate keycode for Fn + right shift
The last 2 generations of Lenovo Thinkpads send an acpi_thinkpad event when Fn + right shift is pressed. This is intended for use with "Lenovo Quick Clean" software, which disables the touchpad + kbd for 2 minutes on this key-combo so that healthcare workes can disinfect it. But there is no silkscreen print on the right-keyboard to indicate this, so add a KEY_FN_RIGHT_SHIFT keycode define to use for this key-combo. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20200908135147.4044-3-hdegoede@redhat.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
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Hans de Goede
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cd80ec7951 |
Input: allocate keycodes for notification-center, pickup-phone and hangup-phone
New Lenovo Thinkpad models, e.g. the X1 Carbon 8th gen and the new T14 gen1
models have 3 new symbols / shortcuts on their F9-F11 keys (and the
thinkpad_acpi driver receives 3 new "scancodes" for these):
F9: Has a symbol resembling a rectangular speech balloon, the manual says
the hotkey functions shows or hides the notification center
F10: Has a symbol of a telephone horn which has been picked up from the
receiver, the manual says: "Answer incoming calls"
F11: Has a symbol of a telephone horn which is resting on the receiver,
the manual says: "Decline incoming calls"
We have no existing keycodes which are a good match for these, so
add 3 new keycodes for these.
I noticed that we have a hole in our keycodes between 0x1ba and 0x1c0
which does not seem to be reserved for any specific purpose, so these
new 3 codes use 0x1bc - 0x1be, instead of starting at 0x27b.
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Dmitry Torokhov
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a5c33d5f74 |
Merge branch 'for-linus' into next
Sync up with 'for-linus' branch to resolve conflict in Elan touchpad driver. |
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Merlijn Wajer
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c463bb2a8f |
Input: add `SW_MACHINE_COVER`
This event code represents the state of a removable cover of a device. Value 0 means that the cover is open or removed, value 1 means that the cover is closed. Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Merlijn Wajer <merlijn@wizzup.org> Link: https://lore.kernel.org/r/20200612125402.18393-2-merlijn@wizzup.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
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David S. Miller
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942110fdf2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says: ==================== pull request (net): ipsec 2020-05-29 1) Several fixes for ESP gro/gso in transport and beet mode when IPv6 extension headers are present. From Xin Long. 2) Fix a wrong comment on XFRMA_OFFLOAD_DEV. From Antony Antony. 3) Fix sk_destruct callback handling on ESP in TCP encapsulation. From Sabrina Dubroca. 4) Fix a use after free in xfrm_output_gso when used with vxlan. From Xin Long. 5) Fix secpath handling of VTI when used wiuth IPCOMP. From Xin Long. 6) Fix an oops when deleting a x-netns xfrm interface. From Nicolas Dichtel. 7) Fix a possible warning on policy updates. We had a case where it was possible to add two policies with the same lookup keys. From Xin Long. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Andrey Konovalov
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c61769bd47 |
usb: raw-gadget: support stalling/halting/wedging endpoints
Raw Gadget is currently unable to stall/halt/wedge gadget endpoints,
which is required for proper emulation of certain USB classes.
This patch adds a few more ioctls:
- USB_RAW_IOCTL_EP0_STALL allows to stall control endpoint #0 when
there's a pending setup request for it.
- USB_RAW_IOCTL_SET/CLEAR_HALT/WEDGE allow to set/clear halt/wedge status
on non-control non-isochronous endpoints.
Fixes:
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Andrey Konovalov
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97df5e5758 |
usb: raw-gadget: fix gadget endpoint selection
Currently automatic gadget endpoint selection based on required features
doesn't work. Raw Gadget tries iterating over the list of available
endpoints and finding one that has the right direction and transfer type.
Unfortunately selecting arbitrary gadget endpoints (even if they satisfy
feature requirements) doesn't work, as (depending on the UDC driver) they
might have fixed addresses, and one also needs to provide matching
endpoint addresses in the descriptors sent to the host.
The composite framework deals with this by assigning endpoint addresses
in usb_ep_autoconfig() before enumeration starts. This approach won't work
with Raw Gadget as the endpoints are supposed to be enabled after a
set_configuration/set_interface request from the host, so it's too late to
patch the endpoint descriptors that had already been sent to the host.
For Raw Gadget we take another approach. Similarly to GadgetFS, we allow
the user to make the decision as to which gadget endpoints to use.
This patch adds another Raw Gadget ioctl USB_RAW_IOCTL_EPS_INFO that
exposes information about all non-control endpoints that a currently
connected UDC has. This information includes endpoints addresses, as well
as their capabilities and limits to allow the user to choose the most
fitting gadget endpoint.
The USB_RAW_IOCTL_EP_ENABLE ioctl is updated to use the proper endpoint
validation routine usb_gadget_ep_match_desc().
These changes affect the portability of the gadgets that use Raw Gadget
when running on different UDCs. Nevertheless, as long as the user relies
on the information provided by USB_RAW_IOCTL_EPS_INFO to dynamically
choose endpoint addresses, UDC-agnostic gadgets can still be written with
Raw Gadget.
Fixes:
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Andrey Konovalov
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17ff3b72e7 |
usb: raw-gadget: improve uapi headers comments
Fix typo "trasferred" => "transferred". Don't call USB requests URBs. Fix comment style. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Felipe Balbi <balbi@kernel.org> |
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Dmitry Torokhov
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0fdc50dfab |
Linux 5.6
-----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAl6BIG4eHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGlHUH/RCFve2sfHRPjRW+ xR5SaLVAw6XKvtKBq7yvKmHEwqNJnL79IHyqqtSrtfFr2FfaH/KvYiCbbAezvSrM np0udGu7STKGd21CWuyEZJudyhXkOwMRNiFiCXWp7rs35oh8T0TpJxMzo2Nc1nLk JFQPqAP6OSvq4IkWEywKQI+Au3Z1IBf83xVjZ1s+MKPQHYD49x2hc4cQntL5/cnm a3DoR2iBkYiGZCZ9dDqAqJTnMQIiCbACdZXgGjNRUpdyA/dtAjsMl11NPYHm8TA2 3AHBupAK50WBZGad6xv2qKQyScsmoJG2mv92QjlOFz0Tpiu6rLnDlLYREDVB6YH6 qbLDsc8= =XEIU -----END PGP SIGNATURE----- Merge tag 'v5.6' into next Sync up with mainline to get device tree and other changes. |
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Gustavo A. R. Silva
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1e6e9d0f48 |
uapi: revert flexible-array conversions
These structures can get embedded in other structures in user-space and cause all sorts of warnings and problems. So, we better don't take any chances and keep the zero-length arrays in place for now. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> |
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Linus Torvalds
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477bfeb9a3 |
drm fixes for 5.7-rc4
core:
- EDID off by one DTD fix
- DP mst write return code fix
dma-buf:
- fix SET_NAME ioctl uapi
- doc fixes
amdgpu:
- Fix a green screen on resume issue
- PM fixes for SR-IOV
SDMA fix for navi
- Renoir display fixes
- Cursor and pageflip stuttering fixes
- Misc additional display fixes
- (uapi) Add additional DCC tiling flags for navi1x
i915:
- Fix selftest refcnt leak (Xiyu)
- Fix gem vma lock (Chris)
- Fix gt's i915_request.timeline acquire by checking if cacheline is valid (Chris)
- Fix IRQ postinistall fault masks (Matt)
qxl:
- use after gree fix
- fix lost kunmap
- release leak fix
virtio:
- context destruction fix
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Merge tag 'drm-fixes-2020-05-01' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular scheduled fixes for graphics. Nothing to extreme bunch of
amdgpu fixes, i915 and qxl fixes, along with some misc ones.
All seems to be progressing normally.
core:
- EDID off by one DTD fix
- DP mst write return code fix
dma-buf:
- fix SET_NAME ioctl uapi
- doc fixes
amdgpu:
- Fix a green screen on resume issue
- PM fixes for SR-IOV SDMA fix for navi
- Renoir display fixes
- Cursor and pageflip stuttering fixes
- Misc additional display fixes
- (uapi) Add additional DCC tiling flags for navi1x
i915:
- Fix selftest refcnt leak (Xiyu)
- Fix gem vma lock (Chris)
- Fix gt's i915_request.timeline acquire by checking if cacheline is
valid (Chris)
- Fix IRQ postinistall fault masks (Matt)
qxl:
- use after gree fix
- fix lost kunmap
- release leak fix
virtio:
- context destruction fix"
* tag 'drm-fixes-2020-05-01' of git://anongit.freedesktop.org/drm/drm: (26 commits)
dma-buf: fix documentation build warnings
drm/qxl: qxl_release use after free
drm/qxl: lost qxl_bo_kunmap_atomic_page in qxl_image_init_helper()
drm/i915: Use proper fault mask in interrupt postinstall too
drm/amd/display: Use cursor locking to prevent flip delays
drm/amd/display: Update downspread percent to match spreadsheet for DCN2.1
drm/amd/display: Defer cursor update around VUPDATE for all ASIC
drm/amd/display: fix rn soc bb update
drm/amd/display: check if REFCLK_CNTL register is present
drm/amdgpu: bump version for invalidate L2 before SDMA IBs
drm/amdgpu: invalidate L2 before SDMA IBs (v2)
drm/amdgpu: add tiling flags from Mesa
drm/amd/powerplay: avoid using pm_en before it is initialized revised
Revert "drm/amd/powerplay: avoid using pm_en before it is initialized"
drm/qxl: qxl_release leak in qxl_hw_surface_alloc()
drm/qxl: qxl_release leak in qxl_draw_dirty_fb()
drm/virtio: only destroy created contexts
drm/dp_mst: Fix drm_dp_send_dpcd_write() return code
drm/i915/gt: Check cacheline is valid before acquiring
drm/i915/gem: Hold obj->vma.lock over for_each_ggtt_vma()
...
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Dave Airlie
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e3dcd86b3b |
Merge tag 'amd-drm-fixes-5.7-2020-04-29' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.7-2020-04-29: amdgpu: - Fix a green screen on resume issue - PM fixes for SR-IOV - SDMA fix for navi - Renoir display fixes - Cursor and pageflip stuttering fixes - Misc additional display fixes UAPI: - Add additional DCC tiling flags for navi1x Used by: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4697 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200429212008.4306-1-alexander.deucher@amd.com |
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Dave Airlie
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c62098c991 |
A few resources-related fixes for qxl, some doc build warnings and ioctl
fixes for dma-buf, an off-by-one fix in edid, and a return code fix in DP-MST -----BEGIN PGP SIGNATURE----- iHQEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXqrvVgAKCRDj7w1vZxhR xazeAPMFYoHj36L2cbr7lrUDER2s6cNdCpUGN0tuQx9fYjmQAP0RRCXpbfyFESvf MG5BBZvARO7OUtUCujogiPbmAVn1DQ== =r+Az -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2020-04-30' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes A few resources-related fixes for qxl, some doc build warnings and ioctl fixes for dma-buf, an off-by-one fix in edid, and a return code fix in DP-MST Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20200430153201.wx6of2b2gsoip7bk@gilmour.lan |
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Marek Olšák
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c938628c44 |
drm/amdgpu: add tiling flags from Mesa
DCC_INDEPENDENT_128B is needed for displayble DCC on gfx10. SCANOUT is not needed by the kernel, but Mesa uses it. Signed-off-by: Marek Olšák <marek.olsak@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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Linus Torvalds
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869997be0e |
hyperv-fixes for 5.7-rc4
-----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAl6mwOETHHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXrFLB/4yKsrl41WwYRbTKgiir576/LA0vGxQ cZjUQwkVv3S5/AfhvpwiGFV4dBV6j81KtNhRE6luaa3FBHObnjrx5tNqMw/P8a0j HZGZ68n4qE+OPVtTxj54s81iWIi9vgT/La92GPYhuXoiVPTd5zJ2lwY3so04BSFJ p30+RZFKNkTjNYZNZSHcoodr+js4Uws8JSn8OmpCJr8Gt+FJqkujQROG3HMKhJlk KlJlCJhV48tj/nlgcbGHBF0Yy5l8DVCaKIz+MiF5F/i+P8r0cErfyihc9Ene0/un LNFhIVGn8/MTi0CVrltcnur2qFH1qPCuLolKSpd/FKd6H2UDgK16XgAd =NJP/ -----END PGP SIGNATURE----- Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull Hyper-V fixes from Wei Liu: - Two patches from Dexuan fixing suspension bugs - Three cleanup patches from Andy and Michael * tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: hyper-v: Remove internal types from UAPI header hyper-v: Use UUID API for exporting the GUID x86/hyperv: Suspend/resume the VP assist page for hibernation Drivers: hv: Move AEOI determination to architecture dependent code Drivers: hv: vmbus: Fix Suspend-to-Idle for Generation-2 VM |
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Daniel Vetter
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a5bff92eaa |
dma-buf: Fix SET_NAME ioctl uapi
The uapi is the same on 32 and 64 bit, but the number isn't. Everyone who botched this please re-read: https://www.kernel.org/doc/html/v5.4-preprc-cpu/ioctl/botching-up-ioctls.html Also, the type argument for the ioctl macros is for the type the void __user *arg pointer points at, which in this case would be the variable-sized char[] of a 0 terminated string. So this was botched in more than just the usual ways. Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Chenbo Feng <fengc@google.com> Cc: Greg Hackmann <ghackmann@google.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Cc: minchan@kernel.org Cc: surenb@google.com Cc: jenhaochen@google.com Cc: Martin Liu <liumartin@google.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Tested-by: Martin Liu <liumartin@google.com> Reviewed-by: Martin Liu <liumartin@google.com> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> [sumits: updated some checkpatch fixes, corrected author email] Link: https://patchwork.freedesktop.org/patch/msgid/20200407133002.3486387-1-daniel.vetter@ffwll.ch |
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Linus Torvalds
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ab51cac00e |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Fix memory leak in netfilter flowtable, from Roi Dayan.
2) Ref-count leaks in netrom and tipc, from Xiyu Yang.
3) Fix warning when mptcp socket is never accepted before close, from
Florian Westphal.
4) Missed locking in ovs_ct_exit(), from Tonghao Zhang.
5) Fix large delays during PTP synchornization in cxgb4, from Rahul
Lakkireddy.
6) team_mode_get() can hang, from Taehee Yoo.
7) Need to use kvzalloc() when allocating fw tracer in mlx5 driver,
from Niklas Schnelle.
8) Fix handling of bpf XADD on BTF memory, from Jann Horn.
9) Fix BPF_STX/BPF_B encoding in x86 bpf jit, from Luke Nelson.
10) Missing queue memory release in iwlwifi pcie code, from Johannes
Berg.
11) Fix NULL deref in macvlan device event, from Taehee Yoo.
12) Initialize lan87xx phy correctly, from Yuiko Oshino.
13) Fix looping between VRF and XFRM lookups, from David Ahern.
14) etf packet scheduler assumes all sockets are full sockets, which is
not necessarily true. From Eric Dumazet.
15) Fix mptcp data_fin handling in RX path, from Paolo Abeni.
16) fib_select_default() needs to handle nexthop objects, from David
Ahern.
17) Use GFP_ATOMIC under spinlock in mac80211_hwsim, from Wei Yongjun.
18) vxlan and geneve use wrong nlattr array, from Sabrina Dubroca.
19) Correct rx/tx stats in bcmgenet driver, from Doug Berger.
20) BPF_LDX zero-extension is encoded improperly in x86_32 bpf jit, fix
from Luke Nelson.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (100 commits)
selftests/bpf: Fix a couple of broken test_btf cases
tools/runqslower: Ensure own vmlinux.h is picked up first
bpf: Make bpf_link_fops static
bpftool: Respect the -d option in struct_ops cmd
selftests/bpf: Add test for freplace program with expected_attach_type
bpf: Propagate expected_attach_type when verifying freplace programs
bpf: Fix leak in LINK_UPDATE and enforce empty old_prog_fd
bpf, x86_32: Fix logic error in BPF_LDX zero-extension
bpf, x86_32: Fix clobbering of dst for BPF_JSET
bpf, x86_32: Fix incorrect encoding in BPF_LDX zero-extension
bpf: Fix reStructuredText markup
net: systemport: suppress warnings on failed Rx SKB allocations
net: bcmgenet: suppress warnings on failed Rx SKB allocations
macsec: avoid to set wrong mtu
mac80211: sta_info: Add lockdep condition for RCU list usage
mac80211: populate debugfs only after cfg80211 init
net: bcmgenet: correct per TX/RX ring statistics
net: meth: remove spurious copyright text
net: phy: bcm84881: clear settings on link down
chcr: Fix CPU hard lockup
...
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Jakub Wilk
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a33d314794 |
bpf: Fix reStructuredText markup
The patch fixes: $ scripts/bpf_helpers_doc.py > bpf-helpers.rst $ rst2man bpf-helpers.rst > bpf-helpers.7 bpf-helpers.rst:1105: (WARNING/2) Inline strong start-string without end-string. Signed-off-by: Jakub Wilk <jwilk@jwilk.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20200422082324.2030-1-jwilk@jwilk.net |
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Andy Shevchenko
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f081bbb3fd |
hyper-v: Remove internal types from UAPI header
The uuid_le mistakenly comes to be an UAPI type. Since it's luckily not used by Hyper-V APIs, we may replace with POD types, i.e. __u8 array. Note, previously shared uuid_be had been removed from UAPI few releases ago. This is a continuation of that process towards removing uuid_le one. Note, there is no ABI change! Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20200422131818.23088-1-andriy.shevchenko@linux.intel.com Signed-off-by: Wei Liu <wei.liu@kernel.org> |
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Linus Torvalds
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189522da8b |
virtio: fixes, cleanups
Some bug fixes. Cleanup a couple of issues that surfaced meanwhile. Disable vhost on ARM with OABI for now - to be fixed fully later in the cycle or in the next release. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAl6d6ZgPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpH3oH/0bJ6o+FiAi8xXgYqm9XXmswrZoZLahjyPay dA7Sz5nNKVtdSGH9o0wRdcekt0SOI3ilZSkv9nwt9ep/5YzC3brf2hry+nPvMTsA MhI3IAa7sK1vCXkftwOlx+SIeDfIwsqr+h4SCfMRxlIT0yAmOC8fl2ByT2dIbqnj dlzwczecHI9LPUEmRWiKH/4Tj5MPZN5IeFSIAE+nA/9cl5h4qVSfYtWD3Y4VQ82g Rv3mvVE+chaVbPxewaBZ8Y0Avti4tMyzsE0MY+dz5xfh+75hqMfygg//1osbEAbz SiL5dDcANe8Q+QOc/BxHdj4dqpqUp1ldV+3Lge9k4lWAGnsEMEk= =GZb2 -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio fixes and cleanups from Michael Tsirkin: - Some bug fixes - Cleanup a couple of issues that surfaced meanwhile - Disable vhost on ARM with OABI for now - to be fixed fully later in the cycle or in the next release. * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (24 commits) vhost: disable for OABI virtio: drop vringh.h dependency virtio_blk: add a missing include virtio-balloon: Avoid using the word 'report' when referring to free page hinting virtio-balloon: make virtballoon_free_page_report() static vdpa: fix comment of vdpa_register_device() vdpa: make vhost, virtio depend on menu vdpa: allow a 32 bit vq alignment drm/virtio: fix up for include file changes remoteproc: pull in slab.h rpmsg: pull in slab.h virtio_input: pull in slab.h remoteproc: pull in slab.h virtio-rng: pull in slab.h virtgpu: pull in uaccess.h tools/virtio: make asm/barrier.h self contained tools/virtio: define aligned attribute virtio/test: fix up after IOTLB changes vhost: Create accessors for virtqueues private_data vdpasim: Return status in vdpasim_get_status ... |
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Antony Antony
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29e4276667 |
xfrm: fix error in comment
s/xfrm_state_offload/xfrm_user_offload/
Fixes:
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Linus Torvalds
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1340283741 |
flexible-array member convertion patches for 5.7-rc2
Hi Linus,
Please, pull the following patches that replace zero-length arrays with
flexible-array members.
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
sizeof(flexible-array-member) triggers a warning because flexible array
members have incomplete type[1]. There are some instances of code in
which the sizeof operator is being incorrectly/erroneously applied to
zero-length arrays and the result is zero. Such instances may be hiding
some bugs. So, this work (flexible-array member convertions) will also
help to get completely rid of those sorts of issues.
Notice that all of these patches have been baking in linux-next for
quite a while now and, 238 more of these patches have already been
merged into 5.7-rc1.
There are a couple hundred more of these issues waiting to be addressed
in the whole codebase.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit
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Gustavo A. R. Silva
|
6e88abb862 |
uapi: linux: fiemap.h: Replace zero-length array with flexible-array member
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit
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Gustavo A. R. Silva
|
d6cdad8703 |
uapi: linux: dlm_device.h: Replace zero-length array with flexible-array member
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit
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Alexander Duyck
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31ba514b2f |
virtio-balloon: Avoid using the word 'report' when referring to free page hinting
It can be confusing to have multiple features within the same driver that are using the same verbage. As such this patch is creating a union of free_page_report_cmd_id with free_page_hint_cmd_id so that we can clean-up the userspace code a bit in terms of readability while maintaining the functionality of legacy code. Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com> Link: https://lore.kernel.org/r/20200415174318.13597.99753.stgit@localhost.localdomain Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Linus Torvalds
|
c8372665b4 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Disable RISCV BPF JIT builds when !MMU, from Björn Töpel.
2) nf_tables leaves dangling pointer after free, fix from Eric Dumazet.
3) Out of boundary write in __xsk_rcv_memcpy(), fix from Li RongQing.
4) Adjust icmp6 message source address selection when routes have a
preferred source address set, from Tim Stallard.
5) Be sure to validate HSR protocol version when creating new links,
from Taehee Yoo.
6) CAP_NET_ADMIN should be sufficient to manage l2tp tunnels even in
non-initial namespaces, from Michael Weiß.
7) Missing release firmware call in mlx5, from Eran Ben Elisha.
8) Fix variable type in macsec_changelink(), caught by KASAN. Fix from
Taehee Yoo.
9) Fix pause frame negotiation in marvell phy driver, from Clemens
Gruber.
10) Record RX queue early enough in tun packet paths such that XDP
programs will see the correct RX queue index, from Gilberto Bertin.
11) Fix double unlock in mptcp, from Florian Westphal.
12) Fix offset overflow in ARM bpf JIT, from Luke Nelson.
13) marvell10g needs to soft reset PHY when coming out of low power
mode, from Russell King.
14) Fix MTU setting regression in stmmac for some chip types, from
Florian Fainelli.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits)
amd-xgbe: Use __napi_schedule() in BH context
mISDN: make dmril and dmrim static
net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes
net: dsa: mt7530: fix tagged frames pass-through in VLAN-unaware mode
tipc: fix incorrect increasing of link window
Documentation: Fix tcp_challenge_ack_limit default value
net: tulip: make early_486_chipsets static
dt-bindings: net: ethernet-phy: add desciption for ethernet-phy-id1234.d400
ipv6: remove redundant assignment to variable err
net/rds: Use ERR_PTR for rds_message_alloc_sgs()
net: mscc: ocelot: fix untagged packet drops when enslaving to vlan aware bridge
selftests/bpf: Check for correct program attach/detach in xdp_attach test
libbpf: Fix type of old_fd in bpf_xdp_set_link_opts
libbpf: Always specify expected_attach_type on program load if supported
xsk: Add missing check on user supplied headroom size
mac80211: fix channel switch trigger from unknown mesh peer
mac80211: fix race in ieee80211_register_hw()
net: marvell10g: soft-reset the PHY when coming out of low power
net: marvell10g: report firmware version
net/cxgb4: Check the return from t4_query_params properly
...
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Linus Torvalds
|
6cc9306b8f |
for-5.7-rc1-tag
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE8rQSAMVO+zA4DBdWxWXV+ddtWDsFAl6VskEACgkQxWXV+ddt WDurrhAAhkxlh6yrdZqr753DcpdEVAQhyHDsJ66GAKWuW8sn7ypTiZhNgKxvEGuz UhwtXTlzZ7K9/h3TsVeih2iqEj6oc8ick+Th+Wf/7s0jhUXDcWi2OqBjTnIiH2Za efrwGMiOEAHYqQ7tHjEbZiJGcQ2tE7+2Le4g3aFnv/kRT0jXDikzLTa/viMG73k5 9llSm+GJYl2KQNcUPmxGKrwwiiV5c5xNCGuEuY4lw+3OVn1QU4rayZDB/5GxZ/nC 72Efl9CxoDunBviys2NWxYTt/Ts3R/+yhnGX0kM6BovkN0bo1pA7HuWkADqYPnNN r8z8X/zFYi7jZBwpPq4alcHW2IaMC7UEseEyZHlj9ce8pK8MnHFlBtfBcUzbvFl5 Wtt23AvAZ9CiQ40Sf5UBt6pliUQhr/BpBz88jatZ619ij1GLxeO++I5bIz3/YFQH UEP7okhoqpxgKLFGRcpxkw0ggOipp7isFyfss2qaRMPebmNMKnuuUoEy5BDlHs2f ewxbyuSUVXVBJMB4R6u77Nk5KLrTO67kfiCROaVKkzhYDESpbB4Trdl+kvzPSFb6 p3NYpJoGnkOKngG/vg5MoQGOp1oi4h3RH2Ck1Yes7jmBgYLSCQokCUXkm52PGfId 25P45yOzwS4W7sVFXsR3rygpexXlcNAIGG+2xtiw/AyFIQo5AZ4= =pkZ2 -----END PGP SIGNATURE----- Merge tag 'for-5.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "We have a few regressions and one fix for stable: - revert fsync optimization - fix lost i_size update - fix a space accounting leak - build fix, add back definition of a deprecated ioctl flag - fix search condition for old roots in relocation" * tag 'for-5.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: re-instantiate the removed BTRFS_SUBVOL_CREATE_ASYNC definition btrfs: fix reclaim counter leak of space_info objects btrfs: make full fsyncs always operate on the entire file again btrfs: fix lost i_size update after cloning inline extent btrfs: check commit root generation in should_ignore_root |
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Eugene Syromiatnikov
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34c51814b2 |
btrfs: re-instantiate the removed BTRFS_SUBVOL_CREATE_ASYNC definition
The commit |
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Linus Torvalds
|
0906d8b975 |
IOMMU Updates for Linux v5.7
Including: - ARM-SMMU support for the TLB range invalidation command in SMMUv3.2. - ARM-SMMU introduction of command batching helpers to batch up CD and ATC invalidation. - ARM-SMMU support for PCI PASID, along with necessary PCI symbol exports. - Introduce a generic (actually rename an existing) IOMMU related pointer in struct device and reduce the IOMMU related pointers. - Some fixes for the OMAP IOMMU driver to make it build on 64bit architectures. - Various smaller fixes and improvements. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAl6MmlQACgkQK/BELZcB GuP9ug//QtyPYRYdO4ltD6mPvfB7V0qdXksJz+ZVbPOMvqUs1jr1FVYFH1HkOVu5 mFD6OJuQQJrrGukXMERyVgDhUqNr+xHrkGS+X67NrOkUrguyvUfLYSU/GmOH/kdk w1Smp7pTcHHAMmxGyQWTSFa9jSxKes5ZYBo065Z3/SlcIcTTkbw7V87N3RPrlnCX s/K7CtSGnKJMpL9DVuNH27eqGlfiuIrQhj/vTQVSn1nF7TjaGKXaRXj+3fcUgrIt KAfflWiTJncMY6WLjz65iiUtUvgA2Mmgn3CKJnWjgECd70+NybLQ9OAvQO+A2H6s 8XO9DsOOe8HFq/ljev1JGSw5LgB5Ip1RtSk7Ost6mkUFzLlaeTBJFQeHbECI9dne hksRYL4R8bwiQu+MkQe7HLa6TDb+asqjsayIO3M1oIpF+8mIz/oNOGCeP0cqSiuj lVMnblAWatrsZrf+AlxZKddIJWiduXoTjtpV64HTTvZeL4/g3kY0ykBXpS4xLj5V s0KvR6kjR1LYUgpe9jJ3CJTdIlU4MzSlrtq4CYFZvRa7rBLmk2cGsR1jiA3GTGpn bcqOQNgb5X1mpAzmOZb//pbjozgvCjQpQexyU4tRzs38yk+TK5OnOe5z4M1srHPY 7dTZoUEpAcRm4K+JFQ3+yOtxRTsINYyFUL/Qt8ALbWy4hXluRGY= =nhuS -----END PGP SIGNATURE----- Merge tag 'iommu-updates-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu updates from Joerg Roedel: - ARM-SMMU support for the TLB range invalidation command in SMMUv3.2 - ARM-SMMU introduction of command batching helpers to batch up CD and ATC invalidation - ARM-SMMU support for PCI PASID, along with necessary PCI symbol exports - Introduce a generic (actually rename an existing) IOMMU related pointer in struct device and reduce the IOMMU related pointers - Some fixes for the OMAP IOMMU driver to make it build on 64bit architectures - Various smaller fixes and improvements * tag 'iommu-updates-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (39 commits) iommu: Move fwspec->iommu_priv to struct dev_iommu iommu/virtio: Use accessor functions for iommu private data iommu/qcom: Use accessor functions for iommu private data iommu/mediatek: Use accessor functions for iommu private data iommu/renesas: Use accessor functions for iommu private data iommu/arm-smmu: Use accessor functions for iommu private data iommu/arm-smmu: Refactor master_cfg/fwspec usage iommu/arm-smmu-v3: Use accessor functions for iommu private data iommu: Introduce accessors for iommu private data iommu/arm-smmu: Fix uninitilized variable warning iommu: Move iommu_fwspec to struct dev_iommu iommu: Rename struct iommu_param to dev_iommu iommu/tegra-gart: Remove direct access of dev->iommu_fwspec drm/msm/mdp5: Remove direct access of dev->iommu_fwspec ACPI/IORT: Remove direct access of dev->iommu_fwspec iommu: Define dev_iommu_fwspec_get() for !CONFIG_IOMMU_API iommu/virtio: Reject IOMMU page granule larger than PAGE_SIZE iommu/virtio: Fix freeing of incomplete domains iommu/virtio: Fix sparse warning iommu/vt-d: Add build dependency on IOASID ... |
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Linus Torvalds
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9bb715260e |
virtio: fixes, vdpa
Some bug fixes. The new vdpa subsystem with two first drivers. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAl6MS7wPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpGp8H/2H49Gya1cfVbGU13qgmBSQqQXC8hS3iNLuG ltRgU+jafJT//kvkdm3/DUzfK3eRUWUfqZLKEbAQDtMY0OGHi/KGEBYVLDde7Zxt Lg4VnwBhkYDR/f01ZZDbHxzj9JAr83i28nILjLIqf3a1BX4zf203+ZE0/JM8a7wL dOPoH7NAfyz5ul2F67bR1IOF8vC6TidpavzR2+HC/MocHYXb6Bgfvt+i4EcrfuMf 9lnBfajgklKr9sNJniwvvR1pWVg+YyG3VeC6T8tIC/xzbCmIoNT+5b3q2XPSIHq1 EuQTeXH9CBFXS0qcFlq2ktR1xd1Lx95hKwZpqLwLFDmfgjhV2QU= =/84P -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: - Some bug fixes - The new vdpa subsystem with two first drivers * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: virtio-balloon: Revert "virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM" vdpa: move to drivers/vdpa virtio: Intel IFC VF driver for VDPA vdpasim: vDPA device simulator vhost: introduce vDPA-based backend virtio: introduce a vDPA based transport vDPA: introduce vDPA bus vringh: IOTLB support vhost: factor out IOTLB vhost: allow per device message handler vhost: refine vhost and vringh kconfig virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM virtio-net: Introduce hash report feature virtio-net: Introduce RSS receive steering feature virtio-net: Introduce extended RSC feature tools/virtio: option to build an out of tree module |
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Linus Torvalds
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9ebe5422ad |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: "An update to the Goodix touchscreen driver to enable it work properly on various Bay Trail and Cherry Trail devices, and a few other assorted changes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (26 commits) Input: update SPDX tag for input-event-codes.h Input: i8042 - add Acer Aspire 5738z to nomux list Input: goodix - fix compilation when ACPI support is disabled dt-bindings: touchscreen: Convert edt-ft5x06 to json-schema Input: of_touchscreen - explicitly choose axis Input: goodix - support gt9147 touchpanel dt-bindings: touchscreen: goodix: support of gt9147 Input: goodix - add support for Goodix GT917S Input: goodix - use string-based chip ID dt-bindings: input: touchscreen: add compatible string for Goodix GT917S Input: goodix - add support for more then one touch-key Input: goodix - fix spurious key release events Input: goodix - try to reset the controller if the i2c-test fails Input: goodix - restore config on resume if necessary Input: goodix - make goodix_send_cfg() take a raw buffer as argument Input: goodix - add minimum firmware size check Input: goodix - save a copy of the config from goodix_read_config() Input: goodix - move defines to above struct goodix_ts_data declaration Input: goodix - add support for controlling the IRQ pin through ACPI methods Input: goodix - add support for getting IRQ + reset GPIOs on Bay Trail devices ... |
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David S. Miller
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c2c1128902 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net, they are: 1) Fix spurious overlap condition in the rbtree tree, from Stefano Brivio. 2) Fix possible uninitialized pointer dereference in nft_lookup. 3) IDLETIMER v1 target matches the Android layout, from Maciej Zenczykowski. 4) Dangling pointer in nf_tables_set_alloc_name, from Eric Dumazet. 5) Fix RCU warning splat in ipset find_set_type(), from Amol Grover. 6) Report EOPNOTSUPP on unsupported set flags and object types in sets. 7) Add NFT_SET_CONCAT flag to provide consistent error reporting when users defines set with ranges in concatenations in old kernels. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
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63bef48fd6 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - a lot more of MM, quite a bit more yet to come: (memcg, pagemap, vmalloc, pagealloc, migration, thp, ksm, madvise, virtio, userfaultfd, memory-hotplug, shmem, rmap, zswap, zsmalloc, cleanups) - various other subsystems (procfs, misc, MAINTAINERS, bitops, lib, checkpatch, epoll, binfmt, kallsyms, reiserfs, kmod, gcov, kconfig, ubsan, fault-injection, ipc) * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (158 commits) ipc/shm.c: make compat_ksys_shmctl() static ipc/mqueue.c: fix a brace coding style issue lib/Kconfig.debug: fix a typo "capabilitiy" -> "capability" ubsan: include bug type in report header kasan: unset panic_on_warn before calling panic() ubsan: check panic_on_warn drivers/misc/lkdtm/bugs.c: add arithmetic overflow and array bounds checks ubsan: split "bounds" checker from other options ubsan: add trap instrumentation option init/Kconfig: clean up ANON_INODES and old IO schedulers options kernel/gcov/fs.c: replace zero-length array with flexible-array member gcov: gcc_3_4: replace zero-length array with flexible-array member gcov: gcc_4_7: replace zero-length array with flexible-array member kernel/kmod.c: fix a typo "assuems" -> "assumes" reiserfs: clean up several indentation issues kallsyms: unexport kallsyms_lookup_name() and kallsyms_on_each_symbol() samples/hw_breakpoint: drop use of kallsyms_lookup_name() samples/hw_breakpoint: drop HW_BREAKPOINT_R when reporting writes fs/binfmt_elf.c: don't free interpreter's ELF pheaders on common path fs/binfmt_elf.c: allocate less for static executable ... |
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Linus Torvalds
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762a9f2f01 |
This pull request contains the following changes for UML:
- New mode for time travel, external via virtio - Fixes for ubd to make sure no requests can get lost - Fixes for vector networking - Allow CONFIG_STATIC_LINK only when possible - Minor cleanups and fixes -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAl6MbGYWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wSY2D/4k1kb3A5pZ6OEXCkKmRU63j0RC na0bsa4lztMuABgOWKXP09cqL2ZhJ1rVVRUMV7jgVFKj7rKkJHHGHgdBeEkXOcb8 skOVxln1X/i3T9q9QQ4ofkSk0U8gHCZA3pqrn7TFI9ZmrosOUYwhQKkqcNHvSfPc XEjKUx1GCS+wA0mw5yLyDZqDGkZgMNSmNezR7Oq3EB9wi8K2n6Racn6//S/uqiS6 I8HHE7R2ci0YfflP+xE8i1qg8/TY2wj2oCP33b9o/XefyyNSndVj7KQUI3KRBmSh M0k2sbOqegVzSH/l5YFIZ7zbDcqkYeGWopPIuYWo3en7ZmfJfP2KD31c8gPOuElC HuUvQyS1VDpLn6JBa8Y456e8IrKl/QquXfZDc2qG5HYTR6g9nv9y8VNtx4dSQ+sB AfgErKofx7x2JQNRfg+0BYKgw/MawGAjiSZm5qVNfvFM3YDWZSUZ9gEAcX6qto/z P+66Zrhatdt9TaQdy9vbQKDWSJk9ood2mQYU0JJSfzgsotWslyvCsc6ANtwfkc7R sLxnsa6EA7CYogbMJ7wRxD5spCNZrRZvepHhe5uft/nWG/qGM1jy7Vk16Or03sVH sScIp6m+yDyhhEjJOT8Mq6WbM3mIfILMb42FyDJQIpJ9JcXSxzbiZu7RSK38yoEG +WYGOYdTGgzxIWsRmQ== =WVcL -----END PGP SIGNATURE----- Merge tag 'for-linus-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - New mode for time travel, external via virtio - Fixes for ubd to make sure no requests can get lost - Fixes for vector networking - Allow CONFIG_STATIC_LINK only when possible - Minor cleanups and fixes * tag 'for-linus-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Remove some unnecessary NULL checks in vector_user.c um: vector: Avoid NULL ptr deference if transport is unset um: Make CONFIG_STATIC_LINK actually static um: Implement cpu_relax() as ndelay(1) for time-travel um: Implement ndelay/udelay in time-travel mode um: Implement time-travel=ext um: virtio: Implement VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS um: time-travel: Rewrite as an event scheduler um: Move timer-internal.h to non-shared hostfs: Use kasprintf() instead of fixed buffer formatting um: falloc.h needs to be directly included for older libc um: ubd: Retry buffer read on any kind of error um: ubd: Prevent buffer overrun on command completion um: Fix overlapping ELF segments when statically linked um: Delete never executed timer um: Don't overwrite ethtool driver version um: Fix len of file in create_pid_file um: Don't use console_drivers directly um: Cleanup CONFIG_IOSCHED_CFQ |
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Shaohua Li
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e06f1e1dd4 |
userfaultfd: wp: enabled write protection in userfaultfd API
Now it's safe to enable write protection in userfaultfd API Signed-off-by: Shaohua Li <shli@fb.com> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Mel Gorman <mgorman@suse.de> Cc: Hugh Dickins <hughd@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Bobby Powers <bobbypowers@gmail.com> Cc: Brian Geffon <bgeffon@google.com> Cc: David Hildenbrand <david@redhat.com> Cc: Denis Plotnikov <dplotnikov@virtuozzo.com> Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com> Cc: Martin Cracauer <cracauer@cons.org> Cc: Marty McFadden <mcfadden8@llnl.gov> Cc: Maya Gokhale <gokhale2@llnl.gov> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Pavel Emelyanov <xemul@openvz.org> Link: http://lkml.kernel.org/r/20200220163112.11409-15-peterx@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Andrea Arcangeli
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63b2d4174c |
userfaultfd: wp: add the writeprotect API to userfaultfd ioctl
Introduce the new uffd-wp APIs for userspace. Firstly, we'll allow to do UFFDIO_REGISTER with write protection tracking using the new UFFDIO_REGISTER_MODE_WP flag. Note that this flag can co-exist with the existing UFFDIO_REGISTER_MODE_MISSING, in which case the userspace program can not only resolve missing page faults, and at the same time tracking page data changes along the way. Secondly, we introduced the new UFFDIO_WRITEPROTECT API to do page level write protection tracking. Note that we will need to register the memory region with UFFDIO_REGISTER_MODE_WP before that. [peterx@redhat.com: write up the commit message] [peterx@redhat.com: remove useless block, write commit message, check against VM_MAYWRITE rather than VM_WRITE when register] Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Cc: Bobby Powers <bobbypowers@gmail.com> Cc: Brian Geffon <bgeffon@google.com> Cc: David Hildenbrand <david@redhat.com> Cc: Denis Plotnikov <dplotnikov@virtuozzo.com> Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: "Kirill A . Shutemov" <kirill@shutemov.name> Cc: Martin Cracauer <cracauer@cons.org> Cc: Marty McFadden <mcfadden8@llnl.gov> Cc: Maya Gokhale <gokhale2@llnl.gov> Cc: Mel Gorman <mgorman@suse.de> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Pavel Emelyanov <xemul@openvz.org> Cc: Rik van Riel <riel@redhat.com> Cc: Shaohua Li <shli@fb.com> Link: http://lkml.kernel.org/r/20200220163112.11409-14-peterx@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Andrea Arcangeli
|
72981e0e7b |
userfaultfd: wp: add UFFDIO_COPY_MODE_WP
This allows UFFDIO_COPY to map pages write-protected. [peterx@redhat.com: switch to VM_WARN_ON_ONCE in mfill_atomic_pte; add brackets around "dst_vma->vm_flags & VM_WRITE"; fix wordings in comments and commit messages] Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Bobby Powers <bobbypowers@gmail.com> Cc: Brian Geffon <bgeffon@google.com> Cc: David Hildenbrand <david@redhat.com> Cc: Denis Plotnikov <dplotnikov@virtuozzo.com> Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: "Kirill A . Shutemov" <kirill@shutemov.name> Cc: Martin Cracauer <cracauer@cons.org> Cc: Marty McFadden <mcfadden8@llnl.gov> Cc: Maya Gokhale <gokhale2@llnl.gov> Cc: Mel Gorman <mgorman@suse.de> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Pavel Emelyanov <xemul@openvz.org> Cc: Rik van Riel <riel@redhat.com> Cc: Shaohua Li <shli@fb.com> Link: http://lkml.kernel.org/r/20200220163112.11409-6-peterx@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Alexander Duyck
|
b0c504f154 |
virtio-balloon: add support for providing free page reports to host
Add support for the page reporting feature provided by virtio-balloon. Reporting differs from the regular balloon functionality in that is is much less durable than a standard memory balloon. Instead of creating a list of pages that cannot be accessed the pages are only inaccessible while they are being indicated to the virtio interface. Once the interface has acknowledged them they are placed back into their respective free lists and are once again accessible by the guest system. Unlike a standard balloon we don't inflate and deflate the pages. Instead we perform the reporting, and once the reporting is completed it is assumed that the page has been dropped from the guest and will be faulted back in the next time the page is accessed. Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: David Hildenbrand <david@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Michal Hocko <mhocko@kernel.org> Cc: Nitesh Narayan Lal <nitesh@redhat.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Pankaj Gupta <pagupta@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Rik van Riel <riel@surriel.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Wei Wang <wei.w.wang@intel.com> Cc: Yang Zhang <yang.zhang.wz@gmail.com> Cc: wei qi <weiqi4@huawei.com> Link: http://lkml.kernel.org/r/20200211224657.29318.68624.stgit@localhost.localdomain Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Pablo Neira Ayuso
|
ef516e8625 |
netfilter: nf_tables: reintroduce the NFT_SET_CONCAT flag
Stefano originally proposed to introduce this flag, users hit EOPNOTSUPP
in new binaries with old kernels when defining a set with ranges in
a concatenation.
Fixes:
|
|
|
Dmitry Torokhov
|
cd510679f4 |
Merge branch 'next' into for-linus
Prepare input updates for 5.7 merge window. |
|
|
Linus Torvalds
|
b6ff10700d |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAl6LFJ0ACgkQnJ2qBz9k QNkSUQgAzwaescnHeVTF7/Zg9Uj2xrfrTJZ1E+Mn9qnd/0/z/asVV+RKfY7Gnu7h g19inDI4ZESFz2gWz4jwJD1c2/yMZb8vnae4ye3dtCv2yjG/0JxCeue6vjwsWqmO 4jbSgk8YNQqzwEFVMzNp43ZJr3CFooLCIsJcL8q4yYk8Kt4pDUPmQ1vBvAc6k9vK BKMBvp926tbomP27nq0n0CjvHy7ipDGMl4H6i4vBxHRfbDPih2x9VEklK3JatC1n 4AKS6IYJrkZVdOjli+DrResbcWxyT4db5tPio5MU0RDnVhNZT2cHyNVXf5EpRJqP 72pa7gfPu1Rx1+tU8bDR/daSveou2A== =fkCV -----END PGP SIGNATURE----- Merge tag 'fsnotify_for_v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fsnotify updates from Jan Kara: "This implements the fanotify FAN_DIR_MODIFY event. This event reports the name in a directory under which a change happened and together with the directory filehandle and fstatat() allows reliable and efficient implementation of directory synchronization" * tag 'fsnotify_for_v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fanotify: Fix the checks in fanotify_fsid_equal fanotify: report name info for FAN_DIR_MODIFY event fanotify: record name info for FAN_DIR_MODIFY event fanotify: Drop fanotify_event_has_fid() fanotify: prepare to report both parent and child fid's fanotify: send FAN_DIR_MODIFY event flavor with dir inode and name fanotify: divorce fanotify_path_event and fanotify_fid_event fanotify: Store fanotify handles differently fanotify: Simplify create_fd() fanotify: fix merging marks masks with FAN_ONDIR fanotify: merge duplicate events on parent and child fsnotify: replace inode pointer with an object id fsnotify: simplify arguments passing to fsnotify_parent() fsnotify: use helpers to access data by data_type fsnotify: funnel all dirent events through fsnotify_name() fsnotify: factor helpers fsnotify_dentry() and fsnotify_file() fsnotify: tidy up FS_ and FAN_ constants |
|
|
Maciej Żenczykowski
|
bc9fe6143d |
netfilter: xt_IDLETIMER: target v1 - match Android layout
Android has long had an extension to IDLETIMER to send netlink messages to userspace, see: https://android.googlesource.com/kernel/common/+/refs/heads/android-mainline/include/uapi/linux/netfilter/xt_IDLETIMER.h#42 Note: this is idletimer target rev 1, there is no rev 0 in the Android common kernel sources, see registration at: https://android.googlesource.com/kernel/common/+/refs/heads/android-mainline/net/netfilter/xt_IDLETIMER.c#483 When we compare that to upstream's new idletimer target rev 1: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git/tree/include/uapi/linux/netfilter/xt_IDLETIMER.h#n46 We immediately notice that these two rev 1 structs are the same size and layout, and that while timer_type and send_nl_msg are differently named and serve a different purpose, they're at the same offset. This makes them impossible to tell apart - and thus one cannot know in a mixed Android/vanilla environment whether one means timer_type or send_nl_msg. Since this is iptables/netfilter uapi it introduces a problem between iptables (vanilla vs Android) userspace and kernel (vanilla vs Android) if the two don't match each other. Additionally when at some point in the future Android picks up 5.7+ it's not at all clear how to resolve the resulting merge conflict. Furthermore, since upgrading the kernel on old Android phones is pretty much impossible there does not seem to be an easy way out of this predicament. The only thing I've been able to come up with is some super disgusting kernel version >= 5.7 check in the iptables binary to flip between different struct layouts. By adding a dummy field to the vanilla Linux kernel header file we can force the two structs to be compatible with each other. Long term I think I would like to deprecate send_nl_msg out of Android entirely, but I haven't quite been able to figure out exactly how we depend on it. It seems to be very similar to sysfs notifications but with some extra info. Currently it's actually always enabled whenever Android uses the IDLETIMER target, so we could also probably entirely remove it from the uapi in favour of just always enabling it, but again we can't upgrade old kernels already in the field. (Also note that this doesn't change the structure's size, as it is simply fitting into the pre-existing padding, and that since 5.7 hasn't been released yet, there's still time to make this uapi visible change) Cc: Manoj Basapathi <manojbm@codeaurora.org> Cc: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Signed-off-by: Maciej Żenczykowski <maze@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
|
|
Linus Torvalds
|
c48b07226b |
perf updates all over the place:
core:
- Support for cgroup tracking in samples to allow cgroup based
analysis
tools:
- Support for cgroup analysis
- Commandline option and hotkey for perf top to change the sort order
- A set of fixes all over the place
- Various build system related improvements
- Updates of the X86 pmu event JSON data
- Documentation updates
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Merge tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more perf updates from Thomas Gleixner:
"Perf updates all over the place:
core:
- Support for cgroup tracking in samples to allow cgroup based
analysis
tools:
- Support for cgroup analysis
- Commandline option and hotkey for perf top to change the sort order
- A set of fixes all over the place
- Various build system related improvements
- Updates of the X86 pmu event JSON data
- Documentation updates"
* tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (55 commits)
perf python: Fix clang detection to strip out options passed in $CC
perf tools: Support Python 3.8+ in Makefile
perf script: Fix invalid read of directory entry after closedir()
perf script report: Fix SEGFAULT when using DWARF mode
perf script: add -S/--symbols documentation
perf pmu-events x86: Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric
perf events parser: Add missing Intel CPU events to parser
perf script: Allow --symbol to accept hexadecimal addresses
perf report/top TUI: Fix title line formatting
perf top: Support hotkey to change sort order
perf top: Support --group-sort-idx to change the sort order
perf symbols: Fix arm64 gap between kernel start and module end
perf build-test: Honour JOBS to override detection of number of cores
perf script: Add --show-cgroup-events option
perf top: Add --all-cgroups option
perf record: Add --all-cgroups option
perf record: Support synthesizing cgroup events
perf report: Add 'cgroup' sort key
perf cgroup: Maintain cgroup hierarchy
perf tools: Basic support for CGROUP event
...
|
|
|
Linus Torvalds
|
bdabb68931 |
RTC for 5.7
Subsystem:
- The rtc_time_to_tm and rtc_tm_to_time wrappers have finally been removed and
only the 64bit version remain.
- hctosys now works with drivers compiled as modules
New driver:
- MediaTek MT2712 SoC based RTC
Drivers:
- set range for 88pm860x, au1xxx, cpcap, da9052, davinci, ds1305, ds1374,
mcp5121, pl030, pl031, pm8xxx, puv3, sa1100, sirfsoc, starfire, sun6i
- ds1307: DS1388 oscillator failure detection and watchdog support
- jz4740: JZ4760 support
- pcf85063: clock out pin support
- sun6i: external 32k oscillator is now optional, the range is now handled by
the core, providing a solution for 2034.
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Merge tag 'rtc-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"More cleanup this cycle, with the final goal of removing the
rtc_time_to_tm and rtc_tm_to_time wrappers. All the drivers that have
been modified for this now are ready for the end of times (whether it
happens in 2033, 2038, 2106, 2127 or even 4052). There is also a
single new driver and the usual fixes and features.
Summary:
Subsystem:
- The rtc_time_to_tm and rtc_tm_to_time wrappers have finally been
removed and only the 64bit version remain.
- hctosys now works with drivers compiled as modules
New driver:
- MediaTek MT2712 SoC based RTC
Drivers:
- set range for 88pm860x, au1xxx, cpcap, da9052, davinci, ds1305,
ds1374, mcp5121, pl030, pl031, pm8xxx, puv3, sa1100, sirfsoc,
starfire, sun6i
- ds1307: DS1388 oscillator failure detection and watchdog support
- jz4740: JZ4760 support
- pcf85063: clock out pin support
- sun6i: external 32k oscillator is now optional, the range is now
handled by the core, providing a solution for 2034"
* tag 'rtc-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (87 commits)
rtc: ds1307: check for failed memory allocation on wdt
rtc: class: remove redundant assignment to variable err
rtc: remove rtc_time_to_tm and rtc_tm_to_time
rtc: sun6i: let the core handle rtc range
rtc: sun6i: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: ds1307: add support for watchdog timer on ds1388
rtc: da9052: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: da9052: set range
rtc: da9052: convert to devm_rtc_allocate_device
rtc: imx-sc: Align imx sc msg structs to 4
rtc: fsl-ftm-alarm: report alarm to core
rtc: pcf85063: Add pcf85063 clkout control to common clock framework
rtc: make definitions in include/uapi/linux/rtc.h actually useful for user space
rtc: class: avoid unnecessary lookup in hctosys
dt-bindings: rtc: Convert and update jz4740-rtc doc to YAML
rtc: jz4740: Rename vendor-specific DT properties
rtc: jz4740: Add support for JZ4760 SoC
rtc: class: support hctosys from modular RTC drivers
rtc: pm8xxx: clear alarm register when alarm is not enabled
rtc: omap: drop unused dt-bindings header
...
|
|
|
Linus Torvalds
|
828907ef25 |
This is the bulk of GPIO development for the v5.7 kernel cycle.
Core and userspace API:
- The userspace API KFIFOs have been imoproved with locks that
do not block interrupts. This makes us better at getting
events to userspace without blocking or disturbing new events
arriving in the same time. This was reviewed by the KFIFO
maintainer Stefani. This is a generic improvement which
paves the road for similar improvements in other subsystems.
- We provide a new ioctl() for monitoring changes in the line
information, such as when multiple clients are taking lines
and giving them back, possibly reconfiguring them in the
process: we can now monitor that and not get stuck with stale
static information.
- An example tool 'gpio-watch' is provided to showcase this
functionality.
- Timestamps for events are switched to ktime_get_ns() which is
monotonic. We previously had a 'realtime' stamp which could
move forward and *backward* in time, which probably would just
cause silent bugs and weird behaviour. In the long run we
see two relevant timestamps: ktime_get_ns() or the timestamp
sometimes provided by the GPIO hardware itself, if that
exists.
- Device Tree overlay support for GPIO hogs. On systems that
load overlays, these overlays can now contain hogs, and will
then be respected.
- Handle pin control interaction with nonexisting pin ranges
in the GPIO library core instead of in the individual
drivers.
New drivers:
- New driver for the Mellanox BlueField 2 GPIO controller.
Driver improvements:
- Introduce the BGPIOF_NO_SET_ON_INPUT flag to the generic
MMIO GPIO library and use this flag in the MT7621 driver.
- Texas Instruments OMAP CPU power management improvements,
such as blocking of idle on pending GPIO interrupts.
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Merge tag 'gpio-v5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO development for the v5.7 kernel cycle.
Core and userspace API:
- The userspace API KFIFOs have been imoproved with locks that do not
block interrupts. This makes us better at getting events to
userspace without blocking or disturbing new events arriving in the
same time. This was reviewed by the KFIFO maintainer Stefani. This
is a generic improvement which paves the road for similar
improvements in other subsystems.
- We provide a new ioctl() for monitoring changes in the line
information, such as when multiple clients are taking lines and
giving them back, possibly reconfiguring them in the process: we
can now monitor that and not get stuck with stale static
information.
- An example tool 'gpio-watch' is provided to showcase this
functionality.
- Timestamps for events are switched to ktime_get_ns() which is
monotonic. We previously had a 'realtime' stamp which could move
forward and *backward* in time, which probably would just cause
silent bugs and weird behaviour. In the long run we see two
relevant timestamps: ktime_get_ns() or the timestamp sometimes
provided by the GPIO hardware itself, if that exists.
- Device Tree overlay support for GPIO hogs. On systems that load
overlays, these overlays can now contain hogs, and will then be
respected.
- Handle pin control interaction with nonexisting pin ranges in the
GPIO library core instead of in the individual drivers.
New drivers:
- New driver for the Mellanox BlueField 2 GPIO controller.
Driver improvements:
- Introduce the BGPIOF_NO_SET_ON_INPUT flag to the generic MMIO GPIO
library and use this flag in the MT7621 driver.
- Texas Instruments OMAP CPU power management improvements, such as
blocking of idle on pending GPIO interrupts"
* tag 'gpio-v5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (59 commits)
Revert "gpio: eic-sprd: Use devm_platform_ioremap_resource()"
pinctrl: Unconditionally assign .request()/.free()
gpio: Unconditionally assign .request()/.free()
gpio: export of_pinctrl_get to modules
pinctrl: Define of_pinctrl_get() dummy for !PINCTRL
gpio: Rename variable in core APIs
gpio: Avoid using pin ranges with !PINCTRL
gpiolib: Remove unused gpio_chip parameter from gpio_set_bias()
gpiolib: Pass gpio_desc to gpio_set_config()
gpiolib: Introduce gpiod_set_config()
tools: gpio: Fix out-of-tree build regression
gpio: gpiolib: fix a doc warning
gpio: tegra186: Add Tegra194 pin ranges for GG.0 and GG.1
gpio: tegra186: Add support for pin ranges
gpio: Support GPIO controllers without pin-ranges
ARM: integrator: impd1: Use GPIO_LOOKUP() helper macro
gpio: brcmstb: support gpio-line-names property
tools: gpio: Fix typo in gpio-utils
tools: gpio-hammer: Apply scripts/Lindent and retain good changes
gpiolib: gpio_name_to_desc: factor out !name check
...
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|
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Linus Torvalds
|
2fb732b33b |
VFIO updates for v5.7-rc1
- vfio-pci SR-IOV support (Alex Williamson) - vfio DMA read/write interface (Yan Zhao) - Fix vfio-platform erroneous IRQ error log (Eric Auger) - Fix shared ATSD support for NVLink on POWER (Sam Bobroff) - Fix init error without CONFIG_IOMMU_DMA (Andre Przywara) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iQIcBAABAgAGBQJeh7XVAAoJECObm247sIsihpgP/A3xkJ4bS4KALoeKJwYOtWfP /KHNYZwlSno7WZxREsYxQvZpdbOmwj00IRl/ckvTNGZ5Urs3Po8PtZ1mmMmzqPj7 oiLbusA2HapZUCncjtDtaiOhaaIP3bMc2SejtmBm8pWkNvCZNQm2MhjxKIS5jYbG XLRWN/OnRl6sk+w6QRYIMgYeXNXK25FVfE3NPlp/c1u75GU9cXOqO/oRwGJ4VcXJ ClGJUJQeGrQx6RNt2380e/SXCnYfnW92FqUVWmYuW1/4uznBbhdJ/OtRQz3eJ3AU i8jTWdvATIiQQsTwbFZIjOdQJbLPtFd4g5Q8tBb0sFTSkAnUamAqUeVn/bH9swNI 9cq3xAcRx6ch1KDREIvO7M+SCrLTvIYcvGUc0QY8tPeUaH0aHXCU4tF3asxFU91P RCusvTK8bdjx0K90XsgXexzy45377uTnrwXzJaWlCFp6cZxL+QELLfvUrQ4ZOBFV MNilILh9/Beig6rxrzCB4K8A3YoMHAS6PnYyyb5iBLu86xbrxVk+LgUIt3eH7jGb n9+9UbPCPzVuMZfXV3bkh6zr/bOYu+LsASOptlOAQp29Kp0R5Al0o7IloDlBlFRX q7lIaHneC1IgKolj3Q+w4TXFvAtA6+GPdqkckDKwp9Ho5v7/4PlkuYpzEM67+cTx V79mNUyqw7zF/hyvVrew =RZWJ -----END PGP SIGNATURE----- Merge tag 'vfio-v5.7-rc1' of git://github.com/awilliam/linux-vfio Pull VFIO updates from Alex Williamson: - vfio-pci SR-IOV support (Alex Williamson) - vfio DMA read/write interface (Yan Zhao) - Fix vfio-platform erroneous IRQ error log (Eric Auger) - Fix shared ATSD support for NVLink on POWER (Sam Bobroff) - Fix init error without CONFIG_IOMMU_DMA (Andre Przywara) * tag 'vfio-v5.7-rc1' of git://github.com/awilliam/linux-vfio: vfio: Ignore -ENODEV when getting MSI cookie vfio-pci/nvlink2: Allow fallback to ibm,mmio-atsd[0] vfio/pci: Cleanup .probe() exit paths vfio/pci: Remove dev_fmt definition vfio/pci: Add sriov_configure support vfio: Introduce VFIO_DEVICE_FEATURE ioctl and first user vfio/pci: Introduce VF token vfio/pci: Implement match ops vfio: Include optional device match in vfio_device_ops callbacks vfio: avoid inefficient operations on VFIO group in vfio_pin/unpin_pages vfio: introduce vfio_dma_rw to read/write a range of IOVAs vfio: allow external user to get vfio group from device vfio: platform: Switch to platform_get_irq_optional() |
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Ingo Molnar
|
7dc41b9b99 |
perf/urgent fixes and improvements:
perf python:
Arnaldo Carvalho de Melo:
- Fix clang detection to strip out options passed in $CC.
build:
He Zhe:
- Normalize gcc parameter when generating arch errno table, fixing
the build by removing options from $(CC).
Sam Lunt:
- Support Python 3.8+ in Makefile.
perf report/top:
Arnaldo Carvalho de Melo:
- Fix title line formatting.
perf script:
Andreas Gerstmayr:
- Fix SEGFAULT when using DWARF mode.
- Fix invalid read of directory entry after closedir(), found with valgrind.
Hagen Paul Pfeifer:
- Introduce --deltatime option.
Stephane Eranian:
- Allow --symbol to accept hexadecimal addresses.
Ian Rogers:
- Add -S/--symbols documentation
Namhyung Kim:
- Add --show-cgroup-events option.
perf python:
Arnaldo Carvalho de Melo:
- Include rwsem.c in the python binding, needed by the cgroups improvements.
build-test:
Arnaldo Carvalho de Melo:
- Honour JOBS to override detection of number of cores
perf top:
Jin Yao:
- Support --group-sort-idx to change the sort order
- perf top: Support hotkey to change sort order
perf pmu-events x86:
Jin Yao:
- Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric
perf symbols arm64:
Kemeng Shi:
- Fix arm64 gap between kernel start and module end
kernel perf subsystem:
Namhyung Kim:
- Add PERF_RECORD_CGROUP event and Add PERF_SAMPLE_CGROUP feature,
to allow cgroup tracking, saving a link between cgroup path and
its id number.
perf cgroup:
Namhyung Kim:
- Maintain cgroup hierarchy.
perf report:
Namhyung Kim:
- Add 'cgroup' sort key.
perf record:
Namhyung Kim:
- Support synthesizing cgroup events for pre-existing cgroups.
- Add --all-cgroups option
Documentation:
Tony Jones:
- Update docs regarding kernel/user space unwinding.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-5.7-20200403' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes and improvements from Arnaldo Carvalho de Melo:
perf python:
Arnaldo Carvalho de Melo:
- Fix clang detection to strip out options passed in $CC.
build:
He Zhe:
- Normalize gcc parameter when generating arch errno table, fixing
the build by removing options from $(CC).
Sam Lunt:
- Support Python 3.8+ in Makefile.
perf report/top:
Arnaldo Carvalho de Melo:
- Fix title line formatting.
perf script:
Andreas Gerstmayr:
- Fix SEGFAULT when using DWARF mode.
- Fix invalid read of directory entry after closedir(), found with valgrind.
Hagen Paul Pfeifer:
- Introduce --deltatime option.
Stephane Eranian:
- Allow --symbol to accept hexadecimal addresses.
Ian Rogers:
- Add -S/--symbols documentation
Namhyung Kim:
- Add --show-cgroup-events option.
perf python:
Arnaldo Carvalho de Melo:
- Include rwsem.c in the python binding, needed by the cgroups improvements.
build-test:
Arnaldo Carvalho de Melo:
- Honour JOBS to override detection of number of cores
perf top:
Jin Yao:
- Support --group-sort-idx to change the sort order
- perf top: Support hotkey to change sort order
perf pmu-events x86:
Jin Yao:
- Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric
perf symbols arm64:
Kemeng Shi:
- Fix arm64 gap between kernel start and module end
kernel perf subsystem:
Namhyung Kim:
- Add PERF_RECORD_CGROUP event and Add PERF_SAMPLE_CGROUP feature,
to allow cgroup tracking, saving a link between cgroup path and
its id number.
perf cgroup:
Namhyung Kim:
- Maintain cgroup hierarchy.
perf report:
Namhyung Kim:
- Add 'cgroup' sort key.
perf record:
Namhyung Kim:
- Support synthesizing cgroup events for pre-existing cgroups.
- Add --all-cgroups option
Documentation:
Tony Jones:
- Update docs regarding kernel/user space unwinding.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
|
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Linus Torvalds
|
86f26a77cb |
pci-v5.7-changes
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Merge tag 'pci-v5.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Revert sysfs "rescan" renames that broke apps (Kelsey Skunberg)
- Add more 32 GT/s link speed decoding and improve the implementation
(Yicong Yang)
Resource management:
- Add support for sizing programmable host bridge apertures and fix a
related alpha Nautilus regression (Ivan Kokshaysky)
Interrupts:
- Add boot interrupt quirk mechanism for Xeon chipsets and document
boot interrupts (Sean V Kelley)
PCIe native device hotplug:
- When possible, disable in-band presence detect and use PDS
(Alexandru Gagniuc)
- Add DMI table for devices that don't use in-band presence detection
but don't advertise that correctly (Stuart Hayes)
- Fix hang when powering slots up/down via sysfs (Lukas Wunner)
- Fix an MSI interrupt race (Stuart Hayes)
Virtualization:
- Add ACS quirks for Zhaoxin devices (Raymond Pang)
Error handling:
- Add Error Disconnect Recover (EDR) support so firmware can report
devices disconnected via DPC and we can try to recover (Kuppuswamy
Sathyanarayanan)
Peer-to-peer DMA:
- Add Intel Sky Lake-E Root Ports B, C, D to the whitelist (Andrew
Maier)
ASPM:
- Reduce severity of common clock config message (Chris Packham)
- Clear the correct bits when enabling L1 substates, so we don't go
to the wrong state (Yicong Yang)
Endpoint framework:
- Replace EPF linkup ops with notifier call chain and improve locking
(Kishon Vijay Abraham I)
- Fix concurrent memory allocation in OB address region (Kishon Vijay
Abraham I)
- Move PF function number assignment to EPC core to support multiple
function creation methods (Kishon Vijay Abraham I)
- Fix issue with clearing configfs "start" entry (Kunihiko Hayashi)
- Fix issue with endpoint MSI-X ignoring BAR Indicator and Table
Offset (Kishon Vijay Abraham I)
- Add support for testing DMA transfers (Kishon Vijay Abraham I)
- Add support for testing > 10 endpoint devices (Kishon Vijay Abraham I)
- Add support for tests to clear IRQ (Kishon Vijay Abraham I)
- Add common DT schema for endpoint controllers (Kishon Vijay Abraham I)
Amlogic Meson PCIe controller driver:
- Add DT bindings for AXG PCIe PHY, shared MIPI/PCIe analog PHY (Remi
Pommarel)
- Add Amlogic AXG PCIe PHY, AXG MIPI/PCIe analog PHY drivers (Remi
Pommarel)
Cadence PCIe controller driver:
- Add Root Complex/Endpoint DT schema for Cadence PCIe (Kishon Vijay
Abraham I)
Intel VMD host bridge driver:
- Add two VMD Device IDs that require bus restriction mode (Sushma
Kalakota)
Mobiveil PCIe controller driver:
- Refactor and modularize mobiveil driver (Hou Zhiqiang)
- Add support for Mobiveil GPEX Gen4 host (Hou Zhiqiang)
Microsoft Hyper-V host bridge driver:
- Add support for Hyper-V PCI protocol version 1.3 and
PCI_BUS_RELATIONS2 (Long Li)
- Refactor to prepare for virtual PCI on non-x86 architectures (Boqun
Feng)
- Fix memory leak in hv_pci_probe()'s error path (Dexuan Cui)
NVIDIA Tegra PCIe controller driver:
- Use pci_parse_request_of_pci_ranges() (Rob Herring)
- Add support for endpoint mode and related DT updates (Vidya Sagar)
- Reduce -EPROBE_DEFER error message log level (Thierry Reding)
Qualcomm PCIe controller driver:
- Restrict class fixup to specific Qualcomm devices (Bjorn Andersson)
Synopsys DesignWare PCIe controller driver:
- Refactor core initialization code for endpoint mode (Vidya Sagar)
- Fix endpoint MSI-X to use correct table address (Kishon Vijay
Abraham I)
TI DRA7xx PCIe controller driver:
- Fix MSI IRQ handling (Vignesh Raghavendra)
TI Keystone PCIe controller driver:
- Allow AM654 endpoint to raise MSI-X interrupt (Kishon Vijay Abraham I)
Miscellaneous:
- Quirk ASMedia XHCI USB to avoid "PME# from D0" defect (Kai-Heng
Feng)
- Use ioremap(), not phys_to_virt(), for platform ROM to fix video
ROM mapping with CONFIG_HIGHMEM (Mikel Rychliski)"
* tag 'pci-v5.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (96 commits)
misc: pci_endpoint_test: remove duplicate macro PCI_ENDPOINT_TEST_STATUS
PCI: tegra: Print -EPROBE_DEFER error message at debug level
misc: pci_endpoint_test: Use full pci-endpoint-test name in request_irq()
misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices
tools: PCI: Add 'e' to clear IRQ
misc: pci_endpoint_test: Add ioctl to clear IRQ
misc: pci_endpoint_test: Avoid using module parameter to determine irqtype
PCI: keystone: Allow AM654 PCIe Endpoint to raise MSI-X interrupt
PCI: dwc: Fix dw_pcie_ep_raise_msix_irq() to get correct MSI-X table address
PCI: endpoint: Fix ->set_msix() to take BIR and offset as arguments
misc: pci_endpoint_test: Add support to get DMA option from userspace
tools: PCI: Add 'd' command line option to support DMA
misc: pci_endpoint_test: Use streaming DMA APIs for buffer allocation
PCI: endpoint: functions/pci-epf-test: Print throughput information
PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data
PCI: pciehp: Fix MSI interrupt race
PCI: pciehp: Fix indefinite wait on sysfs requests
PCI: endpoint: Fix clearing start entry in configfs
PCI: tegra: Add support for PCIe endpoint mode in Tegra194
PCI: sysfs: Revert "rescan" file renames
...
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Linus Torvalds
|
0ad5b053d4 |
Char/Misc driver patches for 5.7-rc1
Here is the big set of char/misc/other driver patches for 5.7-rc1. Lots of things in here, and it's later than expected due to some reverts to resolve some reported issues. All is now clean with no reported problems in linux-next. Included in here is: - interconnect updates - mei driver updates - uio updates - nvmem driver updates - soundwire updates - binderfs updates - coresight updates - habanalabs updates - mhi new bus type and core - extcon driver updates - some Kconfig cleanups - other small misc driver cleanups and updates As mentioned, all have been in linux-next for a while, and with the last two reverts, all is calm and good. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXodfvA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynzCQCfROhar3E8EhYEqSOP6xq6uhX9uegAnRgGY2rs rN4JJpOcTddvZcVlD+vo =ocWk -----END PGP SIGNATURE----- Merge tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big set of char/misc/other driver patches for 5.7-rc1. Lots of things in here, and it's later than expected due to some reverts to resolve some reported issues. All is now clean with no reported problems in linux-next. Included in here is: - interconnect updates - mei driver updates - uio updates - nvmem driver updates - soundwire updates - binderfs updates - coresight updates - habanalabs updates - mhi new bus type and core - extcon driver updates - some Kconfig cleanups - other small misc driver cleanups and updates As mentioned, all have been in linux-next for a while, and with the last two reverts, all is calm and good" * tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (174 commits) Revert "driver core: platform: Initialize dma_parms for platform devices" Revert "amba: Initialize dma_parms for amba devices" amba: Initialize dma_parms for amba devices driver core: platform: Initialize dma_parms for platform devices bus: mhi: core: Drop the references to mhi_dev in mhi_destroy_device() bus: mhi: core: Initialize bhie field in mhi_cntrl for RDDM capture bus: mhi: core: Add support for reading MHI info from device misc: rtsx: set correct pcr_ops for rts522A speakup: misc: Use dynamic minor numbers for speakup devices mei: me: add cedar fork device ids coresight: do not use the BIT() macro in the UAPI header Documentation: provide IBM contacts for embargoed hardware nvmem: core: remove nvmem_sysfs_get_groups() nvmem: core: use is_bin_visible for permissions nvmem: core: use device_register and device_unregister nvmem: core: add root_only member to nvmem device struct extcon: axp288: Add wakeup support extcon: Mark extcon_get_edev_name() function as exported symbol extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format ... |
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Linus Torvalds
|
d883600523 |
Merge branch 'for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo: - Christian extended clone3 so that processes can be spawned into cgroups directly. This is not only neat in terms of semantics but also avoids grabbing the global cgroup_threadgroup_rwsem for migration. - Daniel added !root xattr support to cgroupfs. Userland already uses xattrs on cgroupfs for bookkeeping. This will allow delegated cgroups to support such usages. - Prateek tried to make cpuset hotplug handling synchronous but that led to possible deadlock scenarios. Reverted. - Other minor changes including release_agent_path handling cleanup. * 'for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: docs: cgroup-v1: Document the cpuset_v2_mode mount option Revert "cpuset: Make cpuset hotplug synchronous" cgroupfs: Support user xattrs kernfs: Add option to enable user xattrs kernfs: Add removed_size out param for simple_xattr_set kernfs: kvmalloc xattr value instead of kmalloc cgroup: Restructure release_agent_path handling selftests/cgroup: add tests for cloning into cgroups clone3: allow spawning processes into cgroups cgroup: add cgroup_may_write() helper cgroup: refactor fork helpers cgroup: add cgroup_get_from_file() helper cgroup: unify attach permission checking cpuset: Make cpuset hotplug synchronous cgroup.c: Use built-in RCU list checking kselftest/cgroup: add cgroup destruction test cgroup: Clean up css_set task traversal |