mirror of https://gitee.com/openkylin/linux.git
678364 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Jean Delvare
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e0733e9753 |
firmware: dmi: Fix permissions of product_family
This is not sensitive information like serial numbers, we can allow
all users to read it.
Fix odd alignment while we're here.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes:
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Andy Lutomirski
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c926820085 |
firmware: dmi_scan: Make dmi_walk and dmi_walk_early return real error codes
Currently they return -1 on error, which will confuse callers if they try to interpret it as a normal negative error code. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> Signed-off-by: Jean Delvare <jdelvare@suse.de> |
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Jean Delvare
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c9aba14362 |
firmware: dmi_scan: Look for SMBIOS 3 entry point first
Since version 3.0.0 of the SMBIOS specification, there can be
multiple entry points in memory, pointing to one or two DMI tables.
If both a 32-bit ("_SM_") entry point and a 64-bit ("_SM3_") entry
point are present, the specification requires that the latter points
to a table which is a super-set of the table pointed to by the
former. Therefore we should give preference to the 64-bit ("_SM3_")
entry point.
However, currently the code is picking the first valid entry point
it finds. Per specification, we should look for a 64-bit ("_SM3_")
entry point first, and if we can't find any, look for a 32-bit
("_SM_" or "_DMI_") entry point. Modify the code to do that.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
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Linus Torvalds
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3c2993b8c6 | Linux 4.12-rc4 | |
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Richard Narron
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239e250e4a |
fs/ufs: Set UFS default maximum bytes per file
This fixes a problem with reading files larger than 2GB from a UFS-2
file system:
https://bugzilla.kernel.org/show_bug.cgi?id=195721
The incorrect UFS s_maxsize limit became a problem as of commit
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Linus Torvalds
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125f42b0e2 |
NFS client bugfixes for Linux 4.12
Bugfixes include: - Fix a typo in commit |
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Linus Torvalds
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3c06e6cbdb |
TTY fix for 4.12-rc4
Here is a single tty core fix for 4.12-rc4. It reverts a patch that a lot of people reported as causing lockdep and other warnings. Right after I reverted this in my tree, it seems like another "correct" fix might have shown up, but it's too late in the release cycle to be messing with tty core locking, so let's just revert this for now to go back how things always have been and try it again for 4.13. This has not been in linux-next as I only reverted it a few hours ago. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWTQplQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymn+ACgi83/vya8tSJ+J7rWBf8n2Nma3VkAoI/5lT8H gQJub5tZhfB3o7zZrMp4 =bpSk -----END PGP SIGNATURE----- Merge tag 'tty-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty fix from Greg KH: "Here is a single tty core fix for 4.12-rc4. It reverts a patch that a lot of people reported as causing lockdep and other warnings. Right after I reverted this in my tree, it seems like another "correct" fix might have shown up, but it's too late in the release cycle to be messing with tty core locking, so let's just revert this for now to go back how things always have been and try it again for 4.13. This has not been in linux-next as I only reverted it a few hours ago" * tag 'tty-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: Revert "tty: fix port buffer locking" |
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Linus Torvalds
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e00811b4ca |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov: - a couple of regression fixes in synaptics and axp20x-pek drivers - try to ease transition from PS/2 to RMI for Synaptics touchpad users by ensuring we do not try to activate RMI mode when RMI SMBus support is not enabled, and nag users a bit to enable it - plus a couple of other changes that seemed worthwhile for this release * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: axp20x-pek - switch to acpi_dev_present and check for ACPI0011 too Input: axp20x-pek - only check for "INTCFD9" ACPI device on Cherry Trail Input: tm2-touchkey - use LEN_ON as boolean value instead of LED_FULL Input: synaptics - tell users to report when they should be using rmi-smbus Input: synaptics - warn the users when there is a better mode Input: synaptics - keep PS/2 around when RMI4_SMB is not enabled Input: synaptics - clear device info before filling in Input: silead - disable interrupt during suspend |
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Linus Torvalds
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9f03b2c7c5 |
RTC for 4.12 #2
Change the mailing list address -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEXx9Viay1+e7J/aM4AyWl4gNJNJIFAlkzCZwACgkQAyWl4gNJ NJJerhAAjfDlj7aGmKY4/wOJiTs4isnHDW+TLkABtDbjUK+vJ137JGFqxGyeHh6S scoSyzGVQlPebVf/RrpeK8u58oa3NbdKRonAfksHRniiAyXefjc2miVqTzMQeK25 GA8uNvICEnAyelgp2vi6dHzUBD8bjs8A3vDgxqqAjCI/ubjQq6nBODh8EpRuH9Pw PRzrYiiTCVztAvkcgHq3slkOdVYnrByuK0EyFZ/A1+UhO8FDbSfOA2eKjnP81ENs 1otW+8vpm5KoCgoXrVLMogEyqc/G2zDKWbGNGzJMgSsqWW3Pali5crPJ5AOIEEkz g4+bg1SCdUr2HDcKNGQkShAQJxmwwo57j+MpE9ISfXBzRUc93qAzHJtMOpDuZtow a8xUWqTga6p/tXCLIWSIhS7aZVOZDrycj1GTfN1IjYGVt7ioUFsLDJqmi6nqp/aD oO1mzxE3jNo0MDr3KWl5xjPc8FpIgs0xiJZKWRtosynoR69MvEHncpfISFDrNnKM bIJdARDp20lAwhhXR+GNyIMzdxfG8VSNEoFy4/eKtqyvhT4tdOibVcsj4jI3I6g1 H5wol+IJd/N0Z8oDUMSEvId3/Ntp5OEUCiOGJ7Cgw3cUOFMlRzkkUaFC8tp96HT1 f1BgO2Tit3IsY6vry/zGyoimBXScmegc20/tmoG5pVLHKcKxLog= =oMqg -----END PGP SIGNATURE----- Merge tag 'rtc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC fixlet from Alexandre Belloni: "A single patch, not really a fix but I don't think there is any reason to delay it. Change the mailing list address" * tag 'rtc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: MAINTAINERS: update RTC mailing list |
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Linus Torvalds
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1f915b7fed |
SCSI fixes on 20170603
This is nine fixes, seven of which are for the qedi driver (new in 4.10) the other two are a use after free in the cxgbi drivers and a potential NULL dereference in the rdac device handler. Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJZMyq/AAoJEAVr7HOZEZN4AtUP/1oTEhpXp2epNkEBC0fMywAu T6uUUmZJhcC/k5HkaI7AJUZxYSkVcu1A1QzolJ5GoBIEesfY2W/IOwKO77hhZ1Hp l+e22ioTRXSE2AWyreyVAGSPweG0PyK66kn2vuZXht7xVmcgTelnxp8GPK2MT6vM 2Hxhf+velQxDLwLYOkLY0SAw6JAJpxkFkNcaBsuF2av3fSJtFCzTfgIqLgX1LpcA ckN8yLW0izIeOYKs0Opc65mCZu6AxKOTcvVFglFal7EB99RIU89brifBOqJIue0d KvdoeED2ReO76LZcvDObzEsfNNObHXgNZ100Dk8rF1ovY5JX1L+0fSuYZnJ2Imdg lHlgKZFVCmtLWnWUQYGizcdXHuLHt90ye2sCFK+SZx1EBBVO1maC2ME52nGVTNoU Jrk39dbg//n3ll1FNtlBIFtlFb+uD8DsrWq1KWhg98JcP2XgagCjc2VPF4Eo6Z0l v0JrxG7wATPgRNGhHXRrh1pGxvpuIXvDNVth3cVRa48RxkEJPSW+8Lg63olpCfV3 sAlbThDU/ZUwZybRLa1nbjN7awiR4GaQL+HE9kj0BdR8JpIQHe7162C9KN5NKK7u TReIFSd+oo3AyQzvSR4m0lWeHRoRarDTHkB0/NqbwjMkRUP5125onGf45IaLDI0n SaAsYtnsGBEFK/xjAai1 =MYEc -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is nine fixes, seven of which are for the qedi driver (new as of 4.10) the other two are a use after free in the cxgbi drivers and a potential NULL dereference in the rdac device handler" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: libcxgbi: fix skb use after free scsi: qedi: Fix endpoint NULL panic during recovery. scsi: qedi: set max_fin_rt default value scsi: qedi: Set firmware tcp msl timer value. scsi: qedi: Fix endpoint NULL panic in qedi_set_path. scsi: qedi: Set dma_boundary to 0xfff. scsi: qedi: Correctly set firmware max supported BDs. scsi: qedi: Fix bad pte call trace when iscsiuio is stopped. scsi: scsi_dh_rdac: Use ctlr directly in rdac_failover_get() |
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Linus Torvalds
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55cbdaf639 |
Fixes for 4.12-rc
- Multiple i40iw, nes, iw_cxgb4, hfi1, qib, mlx4, mlx5 fixes - A few upper layer protocol fixes (IPoIB, iSER, SRP) - A modest number of core fixes -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJZMIXpAAoJELgmozMOVy/dEHIP/RbIL0lGjH6qOOGUjTYVpFBn odS0nVWFl/gkw4mnvRDNm3h/BMk0SdaiyUtnRUMEcRhPrqwq40TpT5Sg59LrUgKe JGKB4oir7OYKGh8f6ublDlfFkdZiyGTXW50qp7+cxIu0FXSIREYWRIXIxdDdNhGK 5+EMCJgT0eUNciRE+RlNV1slrKiMGdKm4N5U2nvgy2u/jk1JIpfhkOXrIPar5Ciq 4Sk2DQoLu2RiMr8Htd49yrXaxxguGX0KpJwdOUv3xNlO4WejkT7KFEYB82NNdu0P NpnQGZXea7manripqRRrMBnaqkQD7lTtDHJBepmr4cCgY6XVTq3CQFWnsMywP60A 10rHNeGixMH76DdE+kzTKQ2PKlVW4jjW6fk18cZ2GWbH4T9r/OzUnGR3uMJdhgHs g+zixnIokXa5/8S1p7Pkaq1datAQC4lb2O20c9bjnLM4jQsXMrEnbNevkvouADqj LWT5i1ZTQ5kquom5LmwTG9CcwPH/1E6xLXw4E41seqoZcqYZJakzACU43mJ450cO t3Afqz2AWgBa28DAEGy5+YR7Fr5/xof997GTB/eHnzY0E/cSJ+ntrlBLwMMrY9/t xzE1lZ/7750F9yjkFsLhrU4Xf3snoCg8NW1z7/aaFrx/y+CIKKjP3iRG+JQiKFnx D9tRKJY8iXPuCG+8OzSx =X6Rg -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma fixes from Doug Ledford: "For the most part this is just a minor -rc cycle for the rdma subsystem. Even given that this is all of the -rc patches since the merge window closed, it's still only about 25 patches: - Multiple i40iw, nes, iw_cxgb4, hfi1, qib, mlx4, mlx5 fixes - A few upper layer protocol fixes (IPoIB, iSER, SRP) - A modest number of core fixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (26 commits) RDMA/SA: Fix kernel panic in CMA request handler flow RDMA/umem: Fix missing mmap_sem in get umem ODP call RDMA/core: not to set page dirty bit if it's already set. RDMA/uverbs: Declare local function static and add brackets to sizeof RDMA/netlink: Reduce exposure of RDMA netlink functions RDMA/srp: Fix NULL deref at srp_destroy_qp() RDMA/IPoIB: Limit the ipoib_dev_uninit_default scope RDMA/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings RDMA/qedr: add null check before pointer dereference RDMA/mlx5: set UMR wqe fence according to HCA cap net/mlx5: Define interface bits for fencing UMR wqe RDMA/mlx4: Fix MAD tunneling when SRIOV is enabled RDMA/qib,hfi1: Fix MR reference count leak on write with immediate RDMA/hfi1: Defer setting VL15 credits to link-up interrupt RDMA/hfi1: change PCI bar addr assignments to Linux API functions RDMA/hfi1: fix array termination by appending NULL to attr array RDMA/iw_cxgb4: fix the calculation of ipv6 header size RDMA/iw_cxgb4: calculate t4_eq_status_entries properly RDMA/iw_cxgb4: Avoid touch after free error in ARP failure handlers RDMA/nes: ACK MPA Reply frame ... |
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Greg Kroah-Hartman
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fc098af16b |
Revert "tty: fix port buffer locking"
This reverts commit
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Jan Kara
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4f253e1eb6 |
nfs: Mark unnecessarily extern functions as static
nfs_initialise_sb() and nfs_clone_super() are declared as extern even though they are used only in fs/nfs/super.c. Mark them as static. Also remove explicit 'inline' directive from nfs_initialise_sb() and leave it upto compiler to decide whether inlining is worth it. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> |
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Linus Torvalds
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ea094f3c83 |
Couple of patches for the aspeed pwm fan driver
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Linus Torvalds
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cc54874055 |
MTD fixes for 4.12:
NAND updates from Boris:
"""
tango fixes:
* Add missing MODULE_DEVICE_TABLE() in tango_nand.c
* Update the number of corrected bitflips
core fixes:
* Fix a long standing memory leak in nand_scan_tail()
* Fix several bugs introduced by the per-vendor init/detection
infrastructure (introduced in 4.12)
* Add a static specifier to nand_ooblayout_lp_hamming_ops definition
"""
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Merge tag 'for-linus-20170602' of git://git.infradead.org/linux-mtd
Pull MTD fixes from Brian Norris:
"NAND updates from Boris:
tango fixes:
- Add missing MODULE_DEVICE_TABLE() in tango_nand.c
- Update the number of corrected bitflips
core fixes:
- Fix a long standing memory leak in nand_scan_tail()
- Fix several bugs introduced by the per-vendor init/detection
infrastructure (introduced in 4.12)
- Add a static specifier to nand_ooblayout_lp_hamming_ops definition"
* tag 'for-linus-20170602' of git://git.infradead.org/linux-mtd:
mtd: nand: make nand_ooblayout_lp_hamming_ops static
mtd: nand: tango: Update ecc_stats.corrected
mtd: nand: tango: Export OF device ID table as module aliases
mtd: nand: samsung: warn about un-parseable ECC info
mtd: nand: free vendor-specific resources in init failure paths
mtd: nand: drop unneeded module.h include
mtd: nand: don't leak buffers when ->scan_bbt() fails
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Stefan Schaeckeler
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5f348fa35a |
hwmon: (aspeed-pwm-tacho) make fan/pwm names start with index 1
Make fan and pwm names in sysfs start with index 1 in accordance to
Documentation/hwmon/sysfs-interface conventions.
Current implementation starts with index 0, making tools such as
sensors(1) skip the first fan.
Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Fixes:
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Stefan Schaeckeler
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4d58e7329f |
hwmon: (aspeed-pwm-tacho) Call of_node_put() on a node not claimed
Call of_node_put() on a node claimed with of_node_get() or by any other
means such as for_each_child_of_node().
Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Fixes:
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Hans de Goede
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0fd5f22109 |
Input: axp20x-pek - switch to acpi_dev_present and check for ACPI0011 too
acpi_dev_found checks that there is a matching ACPI node, but it may be disabled (_STA method returns 0) in which case the soc_button_array driver will not bind to it and axp20x-pek should handle the power-button. This commit switches from acpi_dev_found to acpi_dev_present to avoid not registering an input-dev for the powerbutton when there is a disabled PNP0C40 device. The ACPI-6.0 standard defines a standard gpio button device using the ACPI0011 HID replacing the custom PNP0C40 gpio device, many newer devices define both PNP0C40 and ACPI0011 devices enabling one or the other depending on whether the BIOS thinks it is going to boot Android or Windows. This commit adds a check for the ACPI0011 device, so that if either device is present *and* enabled we don't register an input-dev for the powerbutton. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
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Hans de Goede
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8d4b313769 |
Input: axp20x-pek - only check for "INTCFD9" ACPI device on Cherry Trail
Commit |
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Dmitry Torokhov
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eadcbfa58a |
Linux 4.12-rc3
-----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJZK2lrAAoJEHm+PkMAQRiGm3AH/13F1DlIk05aSXHoDr/idIpR GMHmk3YF+EuFjsL463Sh6s/SSWmz0Lda8euaoB4wCWvQFX2ZjTE+aOd79XlRiZJQ OTtLkV9I41eXIJUpEOHia7xZiCsbw+usqcHrm1aBoSh5KKV2iQmEOrnJdibqJVOF eXUMphNK/zFtAd2bKtQSxkaBnOOqsQUgVQSkr2K9rSg25l0KokFC6c5K5IjLn4x9 QgDY4wmMvHrDz0CtpoqlNM4XqbsDJVrFeZGfg6hlMqSRDeXeg4h3Ol0VfIT496RP QBdrDb6hWO+HKt9B0M+7Q+8a/Fsw+5dtpqv1W/Wlr0i4CS6euU8NChAmrpkrqGo= =m5ba -----END PGP SIGNATURE----- Merge tag 'v4.12-rc3' into for-linus Merge with mainline to get acpi_dev_present() needed by patches to axp20x-pek driver. |
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Linus Torvalds
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104c08ba8e |
ACPI fixes for v4.12-rc4
- Revert one more commit related to the ACPI-based handling of
laptop lids that changed the default behavior on laptops that
booted with closed lids and introduced a regression there
(Benjamin Tissoires).
- Add a missing acpi_put_table() to the code implementing the
/sys/firmware/acpi/tables interface to prevent a counter in
the ACPICA core from overflowing (Dan Williams).
- Drop error messages printed by ACPICA on acpi_get_table()
reference counting mismatches as they need not indicate real
errors at this point (Lv Zheng).
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Merge tag 'acpi-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert one more problematic commit related to the ACPI-based
handling of laptop lids and make some unuseful error messages coming
from ACPICA go away.
Specifics:
- Revert one more commit related to the ACPI-based handling of laptop
lids that changed the default behavior on laptops that booted with
closed lids and introduced a regression there (Benjamin Tissoires).
- Add a missing acpi_put_table() to the code implementing the
/sys/firmware/acpi/tables interface to prevent a counter in the
ACPICA core from overflowing (Dan Williams).
- Drop error messages printed by ACPICA on acpi_get_table() reference
counting mismatches as they need not indicate real errors at this
point (Lv Zheng)"
* tag 'acpi-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Tables: Fix regression introduced by a too early mechanism enabling
Revert "ACPI / button: Change default behavior to lid_init_state=open"
ACPI / sysfs: fix acpi_get_table() leak / acpi-sysfs denial of service
|
|
|
Linus Torvalds
|
89af529a64 |
Power management fixes for v4.12-rc4
- Make cpufreq_register_driver() return an error if the ->init()
calls fail for all CPUs to prevent non-functional drivers from
hanging around for no reason (David Arcari).
- Make kirkwood-cpufreq check the return value of clk_prepare_enable()
(which may fail) as appropriate (Arvind Yadav).
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Merge tag 'pm-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two bugs in error code paths in the cpufreq core and in the
kirkwood-cpufreq driver.
Specifics:
- Make cpufreq_register_driver() return an error if the ->init()
calls fail for all CPUs to prevent non-functional drivers from
hanging around for no reason (David Arcari).
- Make kirkwood-cpufreq check the return value of
clk_prepare_enable() (which may fail) as appropriate (Arvind
Yadav)"
* tag 'pm-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: kirkwood-cpufreq:- Handle return value of clk_prepare_enable()
cpufreq: cpufreq_register_driver() should return -ENODEV if init fails
|
|
|
Linus Torvalds
|
5a4829b564 |
Fix a race on architectures with prioritized interrupts (such as m68k)
which can causes crashes in drivers/char/random.c:get_reg(). -----BEGIN PGP SIGNATURE----- iQEyBAABCAAdFiEEK2m5VNv+CHkogTfJ8vlZVpUNgaMFAlkxzw8ACgkQ8vlZVpUN gaMFowf2KbhElx9OO7Nc62adSF8Ni9vJgk9kigOgrHFXCk4AV5L2QtyLBfk9gIOb QxG62fzs2mnnL26SgnvN+5qbuZch9G0GjZDOQTpAcxvT9EL67oZ5EhM3AJAHckOW LxSYCJKYBZqvd4dTHZI36gGNfnpYY7O58pRydE1BPPYSftzaQSS0UtMdcBkjCOoc Kix35I8PpIhXBubgTE2I38FlGHneS442FAGctnMa/8QlqbkCjSqd1V2rdqxvlNvi lQ4AG+6xLu2r/yCXqwHf18sKjt6XuluqrJTQGdUzarFw20ikURjSxwlu5Rh2PwJk hyFHMzBlQ7o68XBDk4LzNkNPgBSb =4W3q -----END PGP SIGNATURE----- Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull /dev/random bug fix from Ted Ts'o: "Fix a race on architectures with prioritized interrupts (such as m68k) which can causes crashes in drivers/char/random.c:get_reg()" * tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: fix race in drivers/char/random.c:get_reg() |
|
|
Linus Torvalds
|
f219764920 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "15 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: scripts/gdb: make lx-dmesg command work (reliably) mm: consider memblock reservations for deferred memory initialization sizing mm/hugetlb: report -EHWPOISON not -EFAULT when FOLL_HWPOISON is specified mlock: fix mlock count can not decrease in race condition mm/migrate: fix refcount handling when !hugepage_migration_supported() dax: fix race between colliding PMD & PTE entries mm: avoid spurious 'bad pmd' warning messages mm/page_alloc.c: make sure OOM victim can try allocations with no watermarks once pcmcia: remove left-over %Z format slub/memcg: cure the brainless abuse of sysfs attributes initramfs: fix disabling of initramfs (and its compression) mm: clarify why we want kmalloc before falling backto vmallock frv: declare jiffies to be located in the .data section include/linux/gfp.h: fix ___GFP_NOLOCKDEP value ksm: prevent crash after write_protect_page fails |
|
|
André Draszik
|
d6c9708737 |
scripts/gdb: make lx-dmesg command work (reliably)
lx-dmesg needs access to the log_buf symbol from printk.c. Unfortunately, the symbol log_buf also exists in BPF's verifier.c and hence gdb can pick one or the other. If it happens to pick BPF's log_buf, lx-dmesg doesn't work: (gdb) lx-dmesg Python Exception <class 'gdb.MemoryError'> Cannot access memory at address 0x0: Error occurred in Python command: Cannot access memory at address 0x0 (gdb) p log_buf $15 = 0x0 Luckily, GDB has a way to deal with this, see https://sourceware.org/gdb/onlinedocs/gdb/Symbols.html (gdb) info variables ^log_buf$ All variables matching regular expression "^log_buf$": File <linux.git>/kernel/bpf/verifier.c: static char *log_buf; File <linux.git>/kernel/printk/printk.c: static char *log_buf; (gdb) p 'verifier.c'::log_buf $1 = 0x0 (gdb) p 'printk.c'::log_buf $2 = 0x811a6aa0 <__log_buf> "" (gdb) p &log_buf $3 = (char **) 0x8120fe40 <log_buf> (gdb) p &'verifier.c'::log_buf $4 = (char **) 0x8120fe40 <log_buf> (gdb) p &'printk.c'::log_buf $5 = (char **) 0x8048b7d0 <log_buf> By being explicit about the location of the symbol, we can make lx-dmesg work again. While at it, do the same for the other symbols we need from printk.c Link: http://lkml.kernel.org/r/20170526112222.3414-1-git@andred.net Signed-off-by: André Draszik <git@andred.net> Tested-by: Kieran Bingham <kieran@bingham.xyz> Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Michal Hocko
|
864b9a393d |
mm: consider memblock reservations for deferred memory initialization sizing
We have seen an early OOM killer invocation on ppc64 systems with
crashkernel=4096M:
kthreadd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=7, order=0, oom_score_adj=0
kthreadd cpuset=/ mems_allowed=7
CPU: 0 PID: 2 Comm: kthreadd Not tainted 4.4.68-1.gd7fe927-default #1
Call Trace:
dump_stack+0xb0/0xf0 (unreliable)
dump_header+0xb0/0x258
out_of_memory+0x5f0/0x640
__alloc_pages_nodemask+0xa8c/0xc80
kmem_getpages+0x84/0x1a0
fallback_alloc+0x2a4/0x320
kmem_cache_alloc_node+0xc0/0x2e0
copy_process.isra.25+0x260/0x1b30
_do_fork+0x94/0x470
kernel_thread+0x48/0x60
kthreadd+0x264/0x330
ret_from_kernel_thread+0x5c/0xa4
Mem-Info:
active_anon:0 inactive_anon:0 isolated_anon:0
active_file:0 inactive_file:0 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:5 slab_unreclaimable:73
mapped:0 shmem:0 pagetables:0 bounce:0
free:0 free_pcp:0 free_cma:0
Node 7 DMA free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:52428800kB managed:110016kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:320kB slab_unreclaimable:4672kB kernel_stack:1152kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0 0
Node 7 DMA: 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB 0*8192kB 0*16384kB = 0kB
0 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
819200 pages RAM
0 pages HighMem/MovableOnly
817481 pages reserved
0 pages cma reserved
0 pages hwpoisoned
the reason is that the managed memory is too low (only 110MB) while the
rest of the the 50GB is still waiting for the deferred intialization to
be done. update_defer_init estimates the initial memoty to initialize
to 2GB at least but it doesn't consider any memory allocated in that
range. In this particular case we've had
Reserving 4096MB of memory at 128MB for crashkernel (System RAM: 51200MB)
so the low 2GB is mostly depleted.
Fix this by considering memblock allocations in the initial static
initialization estimation. Move the max_initialise to
reset_deferred_meminit and implement a simple memblock_reserved_memory
helper which iterates all reserved blocks and sums the size of all that
start below the given address. The cumulative size is than added on top
of the initial estimation. This is still not ideal because
reset_deferred_meminit doesn't consider holes and so reservation might
be above the initial estimation whihch we ignore but let's make the
logic simpler until we really need to handle more complicated cases.
Fixes:
|
|
|
James Morse
|
9a291a7c94 |
mm/hugetlb: report -EHWPOISON not -EFAULT when FOLL_HWPOISON is specified
KVM uses get_user_pages() to resolve its stage2 faults. KVM sets the FOLL_HWPOISON flag causing faultin_page() to return -EHWPOISON when it finds a VM_FAULT_HWPOISON. KVM handles these hwpoison pages as a special case. (check_user_page_hwpoison()) When huge pages are involved, this doesn't work so well. get_user_pages() calls follow_hugetlb_page(), which stops early if it receives VM_FAULT_HWPOISON from hugetlb_fault(), eventually returning -EFAULT to the caller. The step to map this to -EHWPOISON based on the FOLL_ flags is missing. The hwpoison special case is skipped, and -EFAULT is returned to user-space, causing Qemu or kvmtool to exit. Instead, move this VM_FAULT_ to errno mapping code into a header file and use it from faultin_page() and follow_hugetlb_page(). With this, KVM works as expected. This isn't a problem for arm64 today as we haven't enabled MEMORY_FAILURE, but I can't see any reason this doesn't happen on x86 too, so I think this should be a fix. This doesn't apply earlier than stable's v4.11.1 due to all sorts of cleanup. [james.morse@arm.com: add vm_fault_to_errno() call to faultin_page()] suggested. Link: http://lkml.kernel.org/r/20170525171035.16359-1-james.morse@arm.com [akpm@linux-foundation.org: coding-style fixes] Link: http://lkml.kernel.org/r/20170524160900.28786-1-james.morse@arm.com Signed-off-by: James Morse <james.morse@arm.com> Acked-by: Punit Agrawal <punit.agrawal@arm.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com> Cc: <stable@vger.kernel.org> [4.11.1+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Yisheng Xie
|
70feee0e1e |
mlock: fix mlock count can not decrease in race condition
Kefeng reported that when running the follow test, the mlock count in
meminfo will increase permanently:
[1] testcase
linux:~ # cat test_mlockal
grep Mlocked /proc/meminfo
for j in `seq 0 10`
do
for i in `seq 4 15`
do
./p_mlockall >> log &
done
sleep 0.2
done
# wait some time to let mlock counter decrease and 5s may not enough
sleep 5
grep Mlocked /proc/meminfo
linux:~ # cat p_mlockall.c
#include <sys/mman.h>
#include <stdlib.h>
#include <stdio.h>
#define SPACE_LEN 4096
int main(int argc, char ** argv)
{
int ret;
void *adr = malloc(SPACE_LEN);
if (!adr)
return -1;
ret = mlockall(MCL_CURRENT | MCL_FUTURE);
printf("mlcokall ret = %d\n", ret);
ret = munlockall();
printf("munlcokall ret = %d\n", ret);
free(adr);
return 0;
}
In __munlock_pagevec() we should decrement NR_MLOCK for each page where
we clear the PageMlocked flag. Commit
|
|
|
Punit Agrawal
|
30809f559a |
mm/migrate: fix refcount handling when !hugepage_migration_supported()
On failing to migrate a page, soft_offline_huge_page() performs the
necessary update to the hugepage ref-count.
But when !hugepage_migration_supported() , unmap_and_move_hugepage()
also decrements the page ref-count for the hugepage. The combined
behaviour leaves the ref-count in an inconsistent state.
This leads to soft lockups when running the overcommitted hugepage test
from mce-tests suite.
Soft offlining pfn 0x83ed600 at process virtual address 0x400000000000
soft offline: 0x83ed600: migration failed 1, type 1fffc00000008008 (uptodate|head)
INFO: rcu_preempt detected stalls on CPUs/tasks:
Tasks blocked on level-0 rcu_node (CPUs 0-7): P2715
(detected by 7, t=5254 jiffies, g=963, c=962, q=321)
thugetlb_overco R running task 0 2715 2685 0x00000008
Call trace:
dump_backtrace+0x0/0x268
show_stack+0x24/0x30
sched_show_task+0x134/0x180
rcu_print_detail_task_stall_rnp+0x54/0x7c
rcu_check_callbacks+0xa74/0xb08
update_process_times+0x34/0x60
tick_sched_handle.isra.7+0x38/0x70
tick_sched_timer+0x4c/0x98
__hrtimer_run_queues+0xc0/0x300
hrtimer_interrupt+0xac/0x228
arch_timer_handler_phys+0x3c/0x50
handle_percpu_devid_irq+0x8c/0x290
generic_handle_irq+0x34/0x50
__handle_domain_irq+0x68/0xc0
gic_handle_irq+0x5c/0xb0
Address this by changing the putback_active_hugepage() in
soft_offline_huge_page() to putback_movable_pages().
This only triggers on systems that enable memory failure handling
(ARCH_SUPPORTS_MEMORY_FAILURE) but not hugepage migration
(!ARCH_ENABLE_HUGEPAGE_MIGRATION).
I imagine this wasn't triggered as there aren't many systems running
this configuration.
[akpm@linux-foundation.org: remove dead comment, per Naoya]
Link: http://lkml.kernel.org/r/20170525135146.32011-1-punit.agrawal@arm.com
Reported-by: Manoj Iyer <manoj.iyer@canonical.com>
Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Suggested-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: <stable@vger.kernel.org> [3.14+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
|
Ross Zwisler
|
e2093926a0 |
dax: fix race between colliding PMD & PTE entries
We currently have two related PMD vs PTE races in the DAX code. These
can both be easily triggered by having two threads reading and writing
simultaneously to the same private mapping, with the key being that
private mapping reads can be handled with PMDs but private mapping
writes are always handled with PTEs so that we can COW.
Here is the first race:
CPU 0 CPU 1
(private mapping write)
__handle_mm_fault()
create_huge_pmd() - FALLBACK
handle_pte_fault()
passes check for pmd_devmap()
(private mapping read)
__handle_mm_fault()
create_huge_pmd()
dax_iomap_pmd_fault() inserts PMD
dax_iomap_pte_fault() does a PTE fault, but we already have a DAX PMD
installed in our page tables at this spot.
Here's the second race:
CPU 0 CPU 1
(private mapping read)
__handle_mm_fault()
passes check for pmd_none()
create_huge_pmd()
dax_iomap_pmd_fault() inserts PMD
(private mapping write)
__handle_mm_fault()
create_huge_pmd() - FALLBACK
(private mapping read)
__handle_mm_fault()
passes check for pmd_none()
create_huge_pmd()
handle_pte_fault()
dax_iomap_pte_fault() inserts PTE
dax_iomap_pmd_fault() inserts PMD,
but we already have a PTE at
this spot.
The core of the issue is that while there is isolation between faults to
the same range in the DAX fault handlers via our DAX entry locking,
there is no isolation between faults in the code in mm/memory.c. This
means for instance that this code in __handle_mm_fault() can run:
if (pmd_none(*vmf.pmd) && transparent_hugepage_enabled(vma)) {
ret = create_huge_pmd(&vmf);
But by the time we actually get to run the fault handler called by
create_huge_pmd(), the PMD is no longer pmd_none() because a racing PTE
fault has installed a normal PMD here as a parent. This is the cause of
the 2nd race. The first race is similar - there is the following check
in handle_pte_fault():
} else {
/* See comment in pte_alloc_one_map() */
if (pmd_devmap(*vmf->pmd) || pmd_trans_unstable(vmf->pmd))
return 0;
So if a pmd_devmap() PMD (a DAX PMD) has been installed at vmf->pmd, we
will bail and retry the fault. This is correct, but there is nothing
preventing the PMD from being installed after this check but before we
actually get to the DAX PTE fault handlers.
In my testing these races result in the following types of errors:
BUG: Bad rss-counter state mm:ffff8800a817d280 idx:1 val:1
BUG: non-zero nr_ptes on freeing mm: 15
Fix this issue by having the DAX fault handlers verify that it is safe
to continue their fault after they have taken an entry lock to block
other racing faults.
[ross.zwisler@linux.intel.com: improve fix for colliding PMD & PTE entries]
Link: http://lkml.kernel.org/r/20170526195932.32178-1-ross.zwisler@linux.intel.com
Link: http://lkml.kernel.org/r/20170522215749.23516-2-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reported-by: Pawel Lebioda <pawel.lebioda@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Pawel Lebioda <pawel.lebioda@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Xiong Zhou <xzhou@redhat.com>
Cc: Eryu Guan <eguan@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
|
Ross Zwisler
|
d0f0931de9 |
mm: avoid spurious 'bad pmd' warning messages
When the pmd_devmap() checks were added by |
|
|
Tetsuo Handa
|
c288983ddd |
mm/page_alloc.c: make sure OOM victim can try allocations with no watermarks once
Roman Gushchin has reported that the OOM killer can trivially selects
next OOM victim when a thread doing memory allocation from page fault
path was selected as first OOM victim.
allocate invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0
allocate cpuset=/ mems_allowed=0
CPU: 1 PID: 492 Comm: allocate Not tainted 4.12.0-rc1-mm1+ #181
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
Call Trace:
oom_kill_process+0x219/0x3e0
out_of_memory+0x11d/0x480
__alloc_pages_slowpath+0xc84/0xd40
__alloc_pages_nodemask+0x245/0x260
alloc_pages_vma+0xa2/0x270
__handle_mm_fault+0xca9/0x10c0
handle_mm_fault+0xf3/0x210
__do_page_fault+0x240/0x4e0
trace_do_page_fault+0x37/0xe0
do_async_page_fault+0x19/0x70
async_page_fault+0x28/0x30
...
Out of memory: Kill process 492 (allocate) score 899 or sacrifice child
Killed process 492 (allocate) total-vm:2052368kB, anon-rss:1894576kB, file-rss:4kB, shmem-rss:0kB
allocate: page allocation failure: order:0, mode:0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null)
allocate cpuset=/ mems_allowed=0
CPU: 1 PID: 492 Comm: allocate Not tainted 4.12.0-rc1-mm1+ #181
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
Call Trace:
__alloc_pages_slowpath+0xd32/0xd40
__alloc_pages_nodemask+0x245/0x260
alloc_pages_vma+0xa2/0x270
__handle_mm_fault+0xca9/0x10c0
handle_mm_fault+0xf3/0x210
__do_page_fault+0x240/0x4e0
trace_do_page_fault+0x37/0xe0
do_async_page_fault+0x19/0x70
async_page_fault+0x28/0x30
...
oom_reaper: reaped process 492 (allocate), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
...
allocate invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=0
allocate cpuset=/ mems_allowed=0
CPU: 1 PID: 492 Comm: allocate Not tainted 4.12.0-rc1-mm1+ #181
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
Call Trace:
oom_kill_process+0x219/0x3e0
out_of_memory+0x11d/0x480
pagefault_out_of_memory+0x68/0x80
mm_fault_error+0x8f/0x190
? handle_mm_fault+0xf3/0x210
__do_page_fault+0x4b2/0x4e0
trace_do_page_fault+0x37/0xe0
do_async_page_fault+0x19/0x70
async_page_fault+0x28/0x30
...
Out of memory: Kill process 233 (firewalld) score 10 or sacrifice child
Killed process 233 (firewalld) total-vm:246076kB, anon-rss:20956kB, file-rss:0kB, shmem-rss:0kB
There is a race window that the OOM reaper completes reclaiming the
first victim's memory while nothing but mutex_trylock() prevents the
first victim from calling out_of_memory() from pagefault_out_of_memory()
after memory allocation for page fault path failed due to being selected
as an OOM victim.
This is a side effect of commit
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Nicolas Iooss
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ff5a20169b |
pcmcia: remove left-over %Z format
Commit
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Thomas Gleixner
|
478fe3037b |
slub/memcg: cure the brainless abuse of sysfs attributes
memcg_propagate_slab_attrs() abuses the sysfs attribute file functions
to propagate settings from the root kmem_cache to a newly created
kmem_cache. It does that with:
attr->show(root, buf);
attr->store(new, buf, strlen(bug);
Aside of being a lazy and absurd hackery this is broken because it does
not check the return value of the show() function.
Some of the show() functions return 0 w/o touching the buffer. That
means in such a case the store function is called with the stale content
of the previous show(). That causes nonsense like invoking
kmem_cache_shrink() on a newly created kmem_cache. In the worst case it
would cause handing in an uninitialized buffer.
This should be rewritten proper by adding a propagate() callback to
those slub_attributes which must be propagated and avoid that insane
conversion to and from ASCII, but that's too large for a hot fix.
Check at least the return value of the show() function, so calling
store() with stale content is prevented.
Steven said:
"It can cause a deadlock with get_online_cpus() that has been uncovered
by recent cpu hotplug and lockdep changes that Thomas and Peter have
been doing.
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(cpu_hotplug.lock);
lock(slab_mutex);
lock(cpu_hotplug.lock);
lock(slab_mutex);
*** DEADLOCK ***"
Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1705201244540.2255@nanos
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Florian Fainelli
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57ddfdaa9a |
initramfs: fix disabling of initramfs (and its compression)
Commit |
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Michal Hocko
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4f4f2ba9c5 |
mm: clarify why we want kmalloc before falling backto vmallock
While converting drm_[cm]alloc* helpers to kvmalloc* variants Chris Wilson has wondered why we want to try kmalloc before vmalloc fallback even for larger allocations requests. Let's clarify that one larger physically contiguous block is less likely to fragment memory than many scattered pages which can prevent more large blocks from being created. [akpm@linux-foundation.org: coding-style fixes] Link: http://lkml.kernel.org/r/20170517080932.21423-1-mhocko@kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Matthias Kaehlcke
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60b0a8c3d2 |
frv: declare jiffies to be located in the .data section
Commit |
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Michal Hocko
|
1bde33e051 |
include/linux/gfp.h: fix ___GFP_NOLOCKDEP value
Igor Stoppa has noticed that __GFP_NOLOCKDEP can use a lower bit. At the time commit |
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Andrea Arcangeli
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a7306c3436 |
ksm: prevent crash after write_protect_page fails
"err" needs to be left set to -EFAULT if split_huge_page succeeds. Otherwise if "err" gets clobbered with zero and write_protect_page fails, try_to_merge_one_page() will succeed instead of returning -EFAULT and then try_to_merge_with_ksm_page() will continue thinking kpage is a PageKsm when in fact it's still an anonymous page. Eventually it'll crash in page_add_anon_rmap. This has been reproduced on Fedora25 kernel but I can reproduce with upstream too. The bug was introduced in commit |
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Rafael J. Wysocki
|
6031913025 |
Merge branches 'acpi-button', 'acpica' and 'acpi-sysfs'
* acpi-button: Revert "ACPI / button: Change default behavior to lid_init_state=open" * acpica: ACPICA: Tables: Fix regression introduced by a too early mechanism enabling * acpi-sysfs: ACPI / sysfs: fix acpi_get_table() leak / acpi-sysfs denial of service |
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Rafael J. Wysocki
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bb5710e72c |
Merge branch 'pm-cpufreq'
* pm-cpufreq: cpufreq: kirkwood-cpufreq:- Handle return value of clk_prepare_enable() cpufreq: cpufreq_register_driver() should return -ENODEV if init fails |
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Linus Torvalds
|
e6e6d07436 |
Changes since last update:
- Fix an unmount hang due to a race in io buffer accounting. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABCgAGBQJZMKVEAAoJEPh/dxk0SrTrBYcQAKSpzE8C9wDBw6cyxP3kwrTr FSQiSr7flnGBHwy2U0UC/SIFIwYxvW4BTnXJWADyqtnvLWP1+TC7UY1oNpkTsbkK KLsWgz3aOcT/8sb346PzFDAuxof2lkv3xFPRBFaoeSkybxWqLz6BWsbmaJNH/wqy W3k3H241mAftEiv1i9IUlAZMXE31qywIKzzUJvkOglXS8OdVFfMPQvUz6epU2LWA I2tBip936Sl45vLu6ubqoRpk8dWNuPPX+f4YXl8dVeqRKTYhviMwgYD4rlljb6Ti kIRG9HYg1GVZo5z/5unAjyEaKzYoRrXnO5Lg+i09NIhezlDhB2HJ+k71NljoeHoe YCwqumQIGgnxdFu+FP10tKh2EWvDp80SQxgzIvr+FCCKJdsdNYyftRh4CtsCPJSG xWHT1jgovygHsBEEmG2LS9mCXKkyWgMkHNMBu3Yy/F/4HGzrPjcU3F+x90OmOo7J S26kEwsAoo+Q5Is8QkmqrnD+CQ7jwXEv9Mw3UqRwQ7UagRdR2nI8CIGEC7W+42Mm Gd3TtAyJCbhZWXNq7pLeTnGu7JY3/dhR/8VSW+mIKtvFg7v9O1wZBYId8vTwZN1+ 8jgnW0h6myE10YKU5bc1TZeYYAkWA+JLRKxoexL3QD8jWeffyZgMNWPM2rb+4Jjp 2wwCHMPvHE8X7a2urTW3 =wRbJ -----END PGP SIGNATURE----- Merge tag 'xfs-4.12-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull XFS fix from Darrick Wong: "I've one more bugfix for you for 4.12-rc4: Fix an unmount hang due to a race in io buffer accounting" * tag 'xfs-4.12-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: use ->b_state to fix buffer I/O accounting release race |
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Linus Torvalds
|
b939c51445 |
ACPI-related fixes for arm64:
- GICC MADT entry validity check fix - Skip IRQ registration with pmu=off in an ACPI guest - struct acpi_pci_root_ops freeing on error path -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJZMZyaAAoJEGvWsS0AyF7xIQIQAIdbwi6/NWKAa3p7ZOte8hHz wTiDbW0swAdWHxgwrSkIJLHWsEKj1Tc2xvTgrWyc1ygxVh6GipgRyJtVVgcLyo00 2vpxp7e3JOHBzKEbapDjAI4vMV0IARa9GCD5+Zbd0TXC8cxlhrWW4K94P5KjNbOf piTKvXrudCPU+plwaNHjROgiZmaKPV4H9Nwlo9AQ+cYHLD8zUn4Xu6vnZsYS40pZ WVJ5a9LDD7PRfG4ox1Ie/b8G1DlT7sqv4j/HRXXVBEt9NtOAnKheaKMarolhGgzO 5OlBIEiR+T7HZrSKCrvpsZZF2WhKIZHBuiwXNOHj5yKiU6LTyT2gZ0R5+EA9V9e7 h447uf4DyqxlK4vNvtn+JL2pBv8oVJHAuxinp2PW1N8IriRU0XyGnWV4nIw9QkN9 H+i8pDGcXapo64oIPasnTNB0rTIOd5sdQ41fKKE/lgIrOeGHhIVbgHGrJ2yp/0yu WUpIsMZY0Ng5yTyxeiq3aLjOiaAVevsBumoievaG2IUbIBEfxk+NGMFFTfJKjvxZ JFswluTk/SydX325E1QDdhiWCpeeeGTQTFgjLNK9hVCOhtYmupROD/0vg5e20Ldh tWADqnOyvrfMZoetp9kgyh3ElHN1wxBint3w7NgB5oPTEjg7CFywQeEvTc6ZcB6X yjf8lTnbnf3IrVARYuk2 =uGlu -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: "ACPI-related fixes for arm64: - GICC MADT entry validity check fix - Skip IRQ registration with pmu=off in an ACPI guest - struct acpi_pci_root_ops freeing on error path" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: ARM64/ACPI: Fix BAD_MADT_GICC_ENTRY() macro implementation drivers/perf: arm_pmu_acpi: avoid perf IRQ init when guest PMU is off ARM64: PCI: Fix struct acpi_pci_root_ops allocation failure path |
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Linus Torvalds
|
65d03328aa |
A small fix for rbd FALLOC_FL_ZERO_RANGE/PUNCH_HOLE handling breakage
introduced in -rc1. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAABCAAGBQJZMYN+AAoJEEp/3jgCEfOL6u0H/Rp2NdbW4QPoJWZmvL0vD77B 4N3Y+QCG7CSG3TBHWFlIUL7MsHY2wS/3D6rcIPlLhXVb3PV+IhBw5Aqu/OwzF1j6 YuEAoJZWAS4nP3eTDVz1eFSJnk/M4jrIqgPFFdKdh+pumxTnEwl6vXeKD8SSX4xx 2mlxf+EavqeNYppTyBdIWYlVjF03klWPp42G0CRpvjficO+5tvkP4cOrI8cRkgoK fYFZDTp7Zz0Y1+FQfxntfRtFgksvNplvdnenDnjsPxty+YPUGETpRfo72R8DMU8n A16g9hkHZNL3CQWcKwkwQmHX/IJxpKzC0xNMNaZO+8dJqAWOdB9h9FS+roAO1p0= =WpjE -----END PGP SIGNATURE----- Merge tag 'ceph-for-4.12-rc4' of git://github.com/ceph/ceph-client Pull ceph fix from Ilya Dryomov: "A small fix for rbd FALLOC_FL_ZERO_RANGE/PUNCH_HOLE handling breakage introduced in -rc1" * tag 'ceph-for-4.12-rc4' of git://github.com/ceph/ceph-client: rbd: implement REQ_OP_WRITE_ZEROES |
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Linus Torvalds
|
60c42a31dc |
- a DM verity fix for a mode when no salt is used
- a fix to DM to account for the possibility that PREFLUSH or FUA are used without the SYNC flag if the underlying storage doesn't have a volatile write-cache - a DM ioctl memory allocation flag fix to use __GFP_HIGH to allow emergency forward progress (by using memory reserves as last resort) - a small DM integrity cleanup to use kvmalloc() instead of duplicating the same -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJZMZqnAAoJEMUj8QotnQNaB3UIAKDWS1bAAuPR6iiIdlffmZzf DxbCkpgCIHcmuihNKm+57P+Vwa7a5OFb7LSZhU7p2ormncrzEmLRP4D5twtyxTNt f1zT85gB3FXZVRDbcOP7yx2JuZdimu41kYBc9PaQuyTaNUl8lisnQhTVuJ9m0VO3 jdgQpSD0jQPhSFd/rA4hi75l2MeKwOJA2cXsfBgSxIW+rflYFi7SoNfG7wQattpU ArdDEgU++lRuk9FaGVHOIgTduhutk8NtRQFmxXZlE10KEf05SbBLVr1EGgKLVnyC 72+NI8OKeqic9R4phyWNZhErWnteXy9bbQtvBOpEIs8byFY176byzBkGBXjHebE= =MLRg -----END PGP SIGNATURE----- Merge tag 'for-4.12/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - a DM verity fix for a mode when no salt is used - a fix to DM to account for the possibility that PREFLUSH or FUA are used without the SYNC flag if the underlying storage doesn't have a volatile write-cache - a DM ioctl memory allocation flag fix to use __GFP_HIGH to allow emergency forward progress (by using memory reserves as last resort) - a small DM integrity cleanup to use kvmalloc() instead of duplicating the same * tag 'for-4.12/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm: make flush bios explicitly sync dm ioctl: restore __GFP_HIGH in copy_params() dm integrity: use kvmalloc() instead of dm_integrity_kvmalloc() dm verity: fix no salt use case |
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Linus Torvalds
|
6f37fa4364 |
Merge tag 'md/4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD fixes from Shaohua Li: "Several patches for MD. One notable is making flush bios sync, others fix small issues" * tag 'md/4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: md: Make flush bios explicitely sync md: report sector of stripes with check mismatches md: uuid debug statement now in processor byte order. md-cluster: fix potential lock issue in add_new_disk |
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Linus Torvalds
|
bb329859ef |
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A set of fixes that should go into the next -rc. This contains:
- A use-after-free in the request_list exit for the legacy IO path,
from Bart.
- A fix for CFQ, fixing a recent regression with the conversion to
higher resolution timing for iops mode. From Hou Tao.
- A single fix for nbd, split in two patches, fixing a leak of a data
structure.
- A regression fix from Keith, ensuring that callers of
blk_mq_update_nr_hw_queues() hold the right lock"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: Avoid that blk_exit_rl() triggers a use-after-free
cfq-iosched: fix the delay of cfq_group's vdisktime under iops mode
blk-mq: Take tagset lock when updating hw queues
nbd: don't leak nbd_config
nbd: nbd_reset() call in nbd_dev_add() is redundant
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Linus Torvalds
|
46356945fc |
DP quirk for usb c dongles
-----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJZMOEFAAoJEAx081l5xIa+2EMP/iI6uzoEvhfM8niZLdJ4t/zu HjZkfHE3MoBgTFc47Vy2o0b1umQlNCZg+Zn+0OWs5wKqqISxTQ7bUygXsu64Ua5o Pp1wt5seuJeTs/W0uaWviDZeiwZW41FJnrTci8/YDTjWG9dgfdHS4PTNyfLa1GOe kHTdsVEXfhKUE0W0pAi9wos1c+/MvWmStWTB581IFR6CO7T3g3X/ZrsnUuC7Cp5F imcVh2WhoN52PGW63y84bOg6GONEfuDpPquRAKyqunUUbBDJOO95idNo3AoeXGIs 2ZgglzSphWx/Htx5CtvtOLNDJBTOwwBZd5R5/KL29liJK/AIEKDXl6DAPrUISrs3 mI+wD+iACC6p8RhQrg8dyd9Hw0rv0HZD4SUNLqVOgiE3MNcGOG4Iwdtp3DQaAum/ PxMhICO/gZGCG+Q2XEC5O5i2PA6vIGQkYumE27Wi24YPVc+3qQ0Slpbc7hqSanrn RYePKowjx8+q/fnDErzcRInciltfB0aL5uxH07lhta82jSzBj2H6wWkUPKv3zC/3 8fCH4kFeFepLDjFB+HsnqoBrNX/DbKo3Z84XCD05/RMAtshWy9rgLE+KZKF4Y0sF Te8Q6ZBW5SxhuC17j3Jq/hvrTET/dh6MegqVDc6CId0990LED0rhg7yS7xzIBKaY JtuVg73p69Rq+cn5JP41 =RiLR -----END PGP SIGNATURE----- Merge tag 'drm-dp-quirk-for-v4.12-rc4' of git://people.freedesktop.org/~airlied/linux Pull drm displayport quirk support: "DP quirk for usb c dongles. As mentioned I have a separate request for fixing a regression, but also keeping the broken hw working, for certain USB-C DP adapters they require a minimised n/m parameters, but an attempt to do this generically has failed, we need to quirk these specific adapters. However doing it generically regressed some eDP panels. This pull adds the infrastructure and a quirk for the adapter" * tag 'drm-dp-quirk-for-v4.12-rc4' of git://people.freedesktop.org/~airlied/linux: drm/i915: Detect USB-C specific dongles before reducing M and N drm/dp: start a DPCD based DP sink/branch device quirk database drm/i915: use drm DP helper to read DPCD desc drm/dp: add helper for reading DP sink/branch device desc from DPCD |
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Linus Torvalds
|
c531577bcd |
sound fixes for 4.12-rc4
This contains the fixes for a few reported regression for HD-audio and USB-audio. All small, trivial, and boring. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEECxfAB4MH3rD5mfB6bDGAVD0pKaQFAlkxbHgOHHRpd2FpQHN1 c2UuZGUACgkQbDGAVD0pKaSwzg//ZudLpexdkyOCwMZRf6Hft48bMMTH8xBYa/8r ORQn+zRCKq6lcbrtJ55IyFSO1cXtLAOzK/D/WSOdA48XXXcgb3h4uHLSmlJJCt02 UdTETQs711BlZBC1ey7K4ZLwOOLFuHjnEaTsoodS5JvNdhZdxdX8WpSYijvCKgcg 8cKn1r7sfLz6BYs6UVEQ45Wo5BxodKphBVvyikZZmdW8swDz+Kqqhi3HShMPATeR BUxuMF3+zdyIHYZ7FHPxzV5mEQg0peX0UgFCiMpAmi99nVxTgzafLCI12lFc5JVW jUIqqOHwd9vbSew/u8VFpY3KU4ENtc4UwzsTHWiTfXZWghMcxuBmPNTjuiz5+1qI WLpZzPJdx+xDMvgSShy2EK2EqpTYQqF76uCynm7KUZv5MumRLZ9yqAksrR+IniiE xNmOonqcNjcJw1iWrC0OHdRyiY4p1IW1QKyi7H4ge681j1P6Ur4mO5jeTYv4BCd6 x8RZhAqKvhxtdDhV7xJZmGZSY/E/ZBkGCD6RO1h3+ZebKM7+TgJWYCizjGMrxn1y 663UA5my8drHR/1RjIr/yGyhZ164mpZgLZewB4wv6CXL0ckQfnn9b55VN8/htnsf DclrYXCD4bOXxfB5F9qzIkL3AB/gKL8CSY7hMc8+C5a5CLFBgewBL6HnJHE917NC 0RfsFpo= =8xnN -----END PGP SIGNATURE----- Merge tag 'sound-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "This contains the fixes for a few reported regression for HD-audio and USB-audio. All small, trivial, and boring" * tag 'sound-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix applying MSI dual-codec mobo quirk ALSA: usb: Avoid VLA in mixer_us16x08.c ALSA: usb: Fix a typo in Tascam US-16x08 mixer element Revert "ALSA: usb-audio: purge needless variable length array" |
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Linus Torvalds
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f8e72db345 |
dmaengine fixes for 4.12-rc4
A bit largish fixes for dmaengine driver's fixing
- mv_xor_v2 driver for handling descriptors, tx_submit implementation,
removing interrupt coalescing and setting DMA mask properly
- usb-dmac DMAOR AE bit definition
- ep93xx start buffer from BASE0 and not drain the transfers in
terminate_all
- rcar-dmac use right descriptor pointer for residue calculation
- pl330 fix warn for irq freeup
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Merge tag 'dmaengine-fix-4.12-rc4' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"Here is the dmaengine fixes request for 4.12. Fixes bunch of issues in
the driver, npthing exciting though..
- mv_xor_v2 driver fixes for handling descriptors, tx_submit
implementation, removing interrupt coalescing and setting DMA mask
properly
- fix usb-dmac DMAOR AE bit definition
- fix ep93xx start buffer from BASE0 and not drain the transfers in
terminate_all
- fix rcar-dmac to use right descriptor pointer for residue
calculation
- pl330 fix warn for irq freeup"
* tag 'dmaengine-fix-4.12-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: pl330: fix warning in pl330_remove
rcar-dmac: fixup descriptor pointer for descriptor mode
dmaengine: ep93xx: Don't drain the transfers in terminate_all()
dmaengine: ep93xx: Always start from BASE0
dmaengine: usb-dmac: Fix DMAOR AE bit definition
dmaengine: mv_xor_v2: set DMA mask to 40 bits
dmaengine: mv_xor_v2: remove interrupt coalescing
dmaengine: mv_xor_v2: fix tx_submit() implementation
dmaengine: mv_xor_v2: enable XOR engine after its configuration
dmaengine: mv_xor_v2: do not use descriptors not acked by async_tx
dmaengine: mv_xor_v2: properly handle wrapping in the array of HW descriptors
dmaengine: mv_xor_v2: handle mv_xor_v2_prep_sw_desc() error properly
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