mirror of https://gitee.com/openkylin/linux.git
2309 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Angelo Dureghello
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c43e55796d |
m68k: mm: fix node memblock init
After pulling 5.7.0 (linux-next merge), mcf5441x mmu boot was hanging silently. memblock_add() seems not appropriate, since using MAX_NUMNODES as node id, while memblock_add_node() sets up memory for node id 0. Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> |
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Mike Rapoport
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d63bd8c81d |
m68k: nommu: register start of the memory with memblock
The m68k nommu setup code didn't register the beginning of the physical
memory with memblock because it was anyway occupied by the kernel. However,
commit
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Linus Torvalds
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6adc19fd13 |
Kbuild updates for v5.8 (2nd)
- fix build rules in binderfs sample - fix build errors when Kbuild recurses to the top Makefile - covert '---help---' in Kconfig to 'help' -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAl7lBuYVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGHvIP/3iErjPshpg/phwH8NTCS4SFkiti BZRM+2lupSn7Qs53BTpVzIkXoHBJQZlJxlQ5HY8ScO+fiz28rKZr+b40us+je1Q+ SkvSPfwZzxjEg7lAZutznG4KgItJLWJKmDyh9T8Y8TAuG4f8WO0hKnXoAp3YorS2 zppEIxso8O5spZPjp+fF/fPbxPjIsabGK7Jp2LpSVFR5pVDHI/ycTlKQS+MFpMEx 6JIpdFRw7TkvKew1dr5uAWT5btWHatEqjSR3JeyVHv3EICTGQwHmcHK67cJzGInK T51+DT7/CpKtmRgGMiTEu/INfMzzoQAKl6Fcu+vMaShTN97Hk9DpdtQyvA6P/h3L 8GA4UBct05J7fjjIB7iUD+GYQ0EZbaFujzRXLYk+dQqEJRbhcCwvdzggGp0WvGRs 1f8/AIpgnQv8JSL/bOMgGMS5uL2dSLsgbzTdr6RzWf1jlYdI1i4u7AZ/nBrwWP+Z iOBkKsVceEoJrTbaynl3eoYqFLtWyDau+//oBc2gUvmhn8ioM5dfqBRiJjxJnPG9 /giRj6xRIqMMEw8Gg8PCG7WebfWxWyaIQwlWBbPok7DwISURK5mvOyakZL+Q25/y 6MBr2H8NEJsf35q0GTINpfZnot7NX4JXrrndJH8NIRC7HEhwd29S041xlQJdP0rs E76xsOr3hrAmBu4P =1NIT -----END PGP SIGNATURE----- Merge tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild updates from Masahiro Yamada: - fix build rules in binderfs sample - fix build errors when Kbuild recurses to the top Makefile - covert '---help---' in Kconfig to 'help' * tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: treewide: replace '---help---' in Kconfig files with 'help' kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables samples: binderfs: really compile this sample and fix build issues |
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Masahiro Yamada
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a7f7f6248d |
treewide: replace '---help---' in Kconfig files with 'help'
Since commit
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Linus Torvalds
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d3ea693439 |
m68knommu: collection of fixes for v5.8
Fixes include:
. casting clean up in the user access macros
. memory leak on error case fix for PCI probing
. update of a defconfig.
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Merge tag 'm68knommu-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
- casting clean up in the user access macros
- memory leak on error case fix for PCI probing
- update of a defconfig
* tag 'm68knommu-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k,nommu: fix implicit cast from __user in __{get,put}_user_asm()
m68k,nommu: add missing __user in uaccess' __ptr() macro
m68k: Drop CONFIG_MTD_M25P80 in stmark2_defconfig
m68k/PCI: Fix a memory leak in an error handling path
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Denis Efremov
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e4a42c82e9 |
kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
Redefine GZIP, BZIP2, LZOP variables as KGZIP, KBZIP2, KLZOP resp.
GZIP, BZIP2, LZOP env variables are reserved by the tools. The original
attempt to redefine them internally doesn't work in makefiles/scripts
intercall scenarios, e.g., "make GZIP=gzip bindeb-pkg" and results in
broken builds. There can be other broken build commands because of this,
so the universal solution is to use non-reserved env variables for the
compression tools.
Fixes:
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Linus Torvalds
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6f630784cc |
This time around we have 4 lines of diff in the core framework, removing a
function that isn't used anymore. Otherwise the main new thing for the common
clk framework is that it is selectable in the Kconfig language now. Hopefully
this will let clk drivers and clk consumers be testable on more than the
architectures that support the clk framework. The goal is to introduce some
Kunit tests for the framework.
Outside of the core framework we have the usual set of various driver updates
and non-critical fixes. The dirstat shows that the new Baikal-T1 driver is the
largest addition this time around in terms of lines of code. After that the x86
(Intel), Qualcomm, and Mediatek drivers introduce many lines to support new or
upcoming SoCs. After that the dirstat shows the usual suspects working on their
SoC support by fixing minor bugs, correcting data and converting some of their
DT bindings to YAML.
Core:
- Allow the COMMON_CLK config to be selectable
New Drivers:
- Clk driver for Baikal-T1 SoCs
- Mediatek MT6765 clock support
- Support for Intel Agilex clks
- Add support for X1830 and X1000 Ingenic SoC clk controllers
- Add support for the new Renesas RZ/G1H (R8A7742) SoC
- Add support for Qualcomm's MSM8939 Generic Clock Controller
Updates:
- Support IDT VersaClock 5P49V5925
- Bunch of updates for HSDK clock generation unit (CGU) driver
- Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
- Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
- Enable supply regulators for GPU gdscs on Qualcomm SoCs
- Add support for Si5342, Si5344 and Si5345 chips
- Support custom flags in Xilinx zynq firmware
- Various small fixes to the Xilinx clk driver
- A single minor rounding fix for the legacy Allwinner clock support
- A few patches from Abel Vesa as preparation of adding audiomix clock support
on i.MX
- A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and clk-pllv3
drivers
- Drop dependency on ARM64 for i.MX8M clock driver, to support aarch32 mode on
aarch64 hardware
- A series from Peng Fan to improve i.MX8M clock drivers, using composite
clock for core and bus clk slice
- Set a better parent clock for flexcan on i.MX6UL to support CiA102 defined
bit rates
- A couple changes for EMC frequency scaling on Tegra210
- Support for CPU frequency scaling on Tegra20/Tegra30
- New clk gate for CSI test pattern generator on Tegra210
- Regression fixes for Samsung exynos542x and exynos5433 SoCs
- Use of fallthrough; attribute for Samsung s3c24xx
- Updates and fixup HDMI and video clocks on Meson8b
- Fixup reset polarity on Meson8b
- Fix GPU glitch free mux switch on Meson gx and g12
- A minor fix for the currently unused suspend/resume handling on Renesas RZ/A1 and RZ/A2
- Two more conversions of Renesas DT bindings to json-schema
- Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This time around we have four lines of diff in the core framework,
removing a function that isn't used anymore. Otherwise the main new
thing for the common clk framework is that it is selectable in the
Kconfig language now. Hopefully this will let clk drivers and clk
consumers be testable on more than the architectures that support the
clk framework. The goal is to introduce some Kunit tests for the
framework.
Outside of the core framework we have the usual set of various driver
updates and non-critical fixes. The dirstat shows that the new
Baikal-T1 driver is the largest addition this time around in terms of
lines of code. After that the x86 (Intel), Qualcomm, and Mediatek
drivers introduce many lines to support new or upcoming SoCs. After
that the dirstat shows the usual suspects working on their SoC support
by fixing minor bugs, correcting data and converting some of their DT
bindings to YAML.
Core:
- Allow the COMMON_CLK config to be selectable
New Drivers:
- Clk driver for Baikal-T1 SoCs
- Mediatek MT6765 clock support
- Support for Intel Agilex clks
- Add support for X1830 and X1000 Ingenic SoC clk controllers
- Add support for the new Renesas RZ/G1H (R8A7742) SoC
- Add support for Qualcomm's MSM8939 Generic Clock Controller
Updates:
- Support IDT VersaClock 5P49V5925
- Bunch of updates for HSDK clock generation unit (CGU) driver
- Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
- Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
- Enable supply regulators for GPU gdscs on Qualcomm SoCs
- Add support for Si5342, Si5344 and Si5345 chips
- Support custom flags in Xilinx zynq firmware
- Various small fixes to the Xilinx clk driver
- A single minor rounding fix for the legacy Allwinner clock support
- A few patches from Abel Vesa as preparation of adding audiomix
clock support on i.MX
- A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and
clk-pllv3 drivers
- Drop dependency on ARM64 for i.MX8M clock driver, to support
aarch32 mode on aarch64 hardware
- A series from Peng Fan to improve i.MX8M clock drivers, using
composite clock for core and bus clk slice
- Set a better parent clock for flexcan on i.MX6UL to support CiA102
defined bit rates
- A couple changes for EMC frequency scaling on Tegra210
- Support for CPU frequency scaling on Tegra20/Tegra30
- New clk gate for CSI test pattern generator on Tegra210
- Regression fixes for Samsung exynos542x and exynos5433 SoCs
- Use of fallthrough; attribute for Samsung s3c24xx
- Updates and fixup HDMI and video clocks on Meson8b
- Fixup reset polarity on Meson8b
- Fix GPU glitch free mux switch on Meson gx and g12
- A minor fix for the currently unused suspend/resume handling on
Renesas RZ/A1 and RZ/A2
- Two more conversions of Renesas DT bindings to json-schema
- Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (155 commits)
clk: mediatek: Remove ifr{0,1}_cfg_regs structures
clk: baikal-t1: remove redundant assignment to variable 'divider'
clk: baikal-t1: fix spelling mistake "Uncompatible" -> "Incompatible"
dt-bindings: clock: Add a missing include to MMP Audio Clock binding
dt: Add bindings for IDT VersaClock 5P49V5925
clk: vc5: Add support for IDT VersaClock 5P49V6965
clk: Add Baikal-T1 CCU Dividers driver
clk: Add Baikal-T1 CCU PLLs driver
dt-bindings: clk: Add Baikal-T1 CCU Dividers binding
dt-bindings: clk: Add Baikal-T1 CCU PLLs binding
clk: mediatek: assign the initial value to clk_init_data of mtk_mux
clk: mediatek: Add MT6765 clock support
clk: mediatek: add mt6765 clock IDs
dt-bindings: clock: mediatek: document clk bindings vcodecsys for Mediatek MT6765 SoC
dt-bindings: clock: mediatek: document clk bindings mipi0a for Mediatek MT6765 SoC
dt-bindings: clock: mediatek: document clk bindings for Mediatek MT6765 SoC
CLK: HSDK: CGU: add support for 148.5MHz clock
CLK: HSDK: CGU: support PLL bypassing
CLK: HSDK: CGU: check if PLL is bypassed first
clk: clk-si5341: Add support for the Si5345 series
...
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Michel Lespinasse
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3e4e28c5a8 |
mmap locking API: convert mmap_sem API comments
Convert comments that reference old mmap_sem APIs to reference corresponding new mmap locking APIs instead. Signed-off-by: Michel Lespinasse <walken@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Davidlohr Bueso <dbueso@suse.de> Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com> Cc: David Rientjes <rientjes@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jerome Glisse <jglisse@redhat.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Laurent Dufour <ldufour@linux.ibm.com> Cc: Liam Howlett <Liam.Howlett@oracle.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ying Han <yinghan@google.com> Link: http://lkml.kernel.org/r/20200520052908.204642-12-walken@google.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Michel Lespinasse
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d8ed45c5dc |
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
This change converts the existing mmap_sem rwsem calls to use the new mmap locking API instead. The change is generated using coccinelle with the following rule: // spatch --sp-file mmap_lock_api.cocci --in-place --include-headers --dir . @@ expression mm; @@ ( -init_rwsem +mmap_init_lock | -down_write +mmap_write_lock | -down_write_killable +mmap_write_lock_killable | -down_write_trylock +mmap_write_trylock | -up_write +mmap_write_unlock | -downgrade_write +mmap_write_downgrade | -down_read +mmap_read_lock | -down_read_killable +mmap_read_lock_killable | -down_read_trylock +mmap_read_trylock | -up_read +mmap_read_unlock ) -(&mm->mmap_sem) +(mm) Signed-off-by: Michel Lespinasse <walken@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com> Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Cc: Davidlohr Bueso <dbueso@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jerome Glisse <jglisse@redhat.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Liam Howlett <Liam.Howlett@oracle.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ying Han <yinghan@google.com> Link: http://lkml.kernel.org/r/20200520052908.204642-5-walken@google.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
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974b9b2c68 |
mm: consolidate pte_index() and pte_offset_*() definitions
All architectures define pte_index() as (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1) and all architectures define pte_offset_kernel() as an entry in the array of PTEs indexed by the pte_index(). For the most architectures the pte_offset_kernel() implementation relies on the availability of pmd_page_vaddr() that converts a PMD entry value to the virtual address of the page containing PTEs array. Let's move x86 definitions of the PTE accessors to the generic place in <linux/pgtable.h> and then simply drop the respective definitions from the other architectures. The architectures that didn't provide pmd_page_vaddr() are updated to have that defined. The generic implementation of pte_offset_kernel() can be overridden by an architecture and alpha makes use of this because it has special ordering requirements for its version of pte_offset_kernel(). [rppt@linux.ibm.com: v2] Link: http://lkml.kernel.org/r/20200514170327.31389-11-rppt@kernel.org [rppt@linux.ibm.com: update] Link: http://lkml.kernel.org/r/20200514170327.31389-12-rppt@kernel.org [rppt@linux.ibm.com: update] Link: http://lkml.kernel.org/r/20200514170327.31389-13-rppt@kernel.org [akpm@linux-foundation.org: fix x86 warning] [sfr@canb.auug.org.au: fix powerpc build] Link: http://lkml.kernel.org/r/20200607153443.GB738695@linux.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-10-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
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e05c7b1f2b |
mm: pgtable: add shortcuts for accessing kernel PMD and PTE
The powerpc 32-bit implementation of pgtable has nice shortcuts for accessing kernel PMD and PTE for a given virtual address. Make these helpers available for all architectures. [rppt@linux.ibm.com: microblaze: fix page table traversal in setup_rt_frame()] Link: http://lkml.kernel.org/r/20200518191511.GD1118872@kernel.org [akpm@linux-foundation.org: s/pmd_ptr_k/pmd_off_k/ in various powerpc places] Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-9-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
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1bcdc68d6a |
m68k/mm: move {cache,nocahe}_page() definitions close to their user
The cache_page() and nocache_page() functions are only used by the motorola MMU variant for setting caching attributes for the page table pages. Move the definitions of these functions from arch/m68k/include/asm/motorola_pgtable.h closer to their usage in arch/m68k/mm/motorola.c and drop unused definition in arch/m68k/include/asm/mcf_pgtable.h. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Greg Ungerer <gerg@linux-m68k.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-7-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
|
e73240be69 |
m68k/mm/motorola: move comment about page table allocation funcitons
The comment about page table allocation functions resides in include/asm/motorola_pgtable.h while the functions live in include/asm/motorola_pgaloc.h. Move the comment close to the code. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-6-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Mike Rapoport
|
65fddcfca8 |
mm: reorder includes after introduction of linux/pgtable.h
The replacement of <asm/pgrable.h> with <linux/pgtable.h> made the include
of the latter in the middle of asm includes. Fix this up with the aid of
the below script and manual adjustments here and there.
import sys
import re
if len(sys.argv) is not 3:
print "USAGE: %s <file> <header>" % (sys.argv[0])
sys.exit(1)
hdr_to_move="#include <linux/%s>" % sys.argv[2]
moved = False
in_hdrs = False
with open(sys.argv[1], "r") as f:
lines = f.readlines()
for _line in lines:
line = _line.rstrip('
')
if line == hdr_to_move:
continue
if line.startswith("#include <linux/"):
in_hdrs = True
elif not moved and in_hdrs:
moved = True
print hdr_to_move
print line
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Cain <bcain@codeaurora.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Guo Ren <guoren@kernel.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/20200514170327.31389-4-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
|
Mike Rapoport
|
ca5999fde0 |
mm: introduce include/linux/pgtable.h
The include/linux/pgtable.h is going to be the home of generic page table manipulation functions. Start with moving asm-generic/pgtable.h to include/linux/pgtable.h and make the latter include asm/pgtable.h. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-3-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
|
e31cf2f4ca |
mm: don't include asm/pgtable.h if linux/mm.h is already included
Patch series "mm: consolidate definitions of page table accessors", v2.
The low level page table accessors (pXY_index(), pXY_offset()) are
duplicated across all architectures and sometimes more than once. For
instance, we have 31 definition of pgd_offset() for 25 supported
architectures.
Most of these definitions are actually identical and typically it boils
down to, e.g.
static inline unsigned long pmd_index(unsigned long address)
{
return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1);
}
static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
{
return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address);
}
These definitions can be shared among 90% of the arches provided
XYZ_SHIFT, PTRS_PER_XYZ and xyz_page_vaddr() are defined.
For architectures that really need a custom version there is always
possibility to override the generic version with the usual ifdefs magic.
These patches introduce include/linux/pgtable.h that replaces
include/asm-generic/pgtable.h and add the definitions of the page table
accessors to the new header.
This patch (of 12):
The linux/mm.h header includes <asm/pgtable.h> to allow inlining of the
functions involving page table manipulations, e.g. pte_alloc() and
pmd_alloc(). So, there is no point to explicitly include <asm/pgtable.h>
in the files that include <linux/mm.h>.
The include statements in such cases are remove with a simple loop:
for f in $(git grep -l "include <linux/mm.h>") ; do
sed -i -e '/include <asm\/pgtable.h>/ d' $f
done
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Cain <bcain@codeaurora.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Guo Ren <guoren@kernel.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/20200514170327.31389-1-rppt@kernel.org
Link: http://lkml.kernel.org/r/20200514170327.31389-2-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
|
Dmitry Safonov
|
9cb8f069de |
kernel: rename show_stack_loglvl() => show_stack()
Now the last users of show_stack() got converted to use an explicit log level, show_stack_loglvl() can drop it's redundant suffix and become once again well known show_stack(). Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200418201944.482088-51-dima@arista.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Dmitry Safonov
|
ce23c47a56 |
m68k: add show_stack_loglvl()
Currently, the log-level of show_stack() depends on a platform realization. It creates situations where the headers are printed with lower log level or higher than the stacktrace (depending on a platform or user). Furthermore, it forces the logic decision from user to an architecture side. In result, some users as sysrq/kdb/etc are doing tricks with temporary rising console_loglevel while printing their messages. And in result it not only may print unwanted messages from other CPUs, but also omit printing at all in the unlucky case where the printk() was deferred. Introducing log-level parameter and KERN_UNSUPPRESSED [1] seems an easier approach than introducing more printk buffers. Also, it will consolidate printings with headers. Introduce show_stack_loglvl(), that eventually will substitute show_stack(). [1]: https://lore.kernel.org/lkml/20190528002412.1625-1-dima@arista.com/T/#u Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Link: http://lkml.kernel.org/r/20200418201944.482088-18-dima@arista.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Christoph Hellwig
|
490741ab1b |
module: move the set_fs hack for flush_icache_range to m68k
flush_icache_range generally operates on kernel addresses, but for some reason m68k needed a set_fs override. Move that into the m68k code insted of keeping it in the module loader. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Jessica Yu <jeyu@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Song Liu <songliubraving@fb.com> Cc: Yonghong Song <yhs@fb.com> Link: http://lkml.kernel.org/r/20200515143646.3857579-30-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Christoph Hellwig
|
a1e81f9654 |
m68k: implement flush_icache_user_range
Rename the current flush_icache_range to flush_icache_user_range as per
commit
|
|
|
Christoph Hellwig
|
885f7f8e30 |
mm: rename flush_icache_user_range to flush_icache_user_page
The function currently known as flush_icache_user_range only operates on a single page. Rename it to flush_icache_user_page as we'll need the name flush_icache_user_range for something else soon. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Stafford Horne <shorne@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20200515143646.3857579-20-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Christoph Hellwig
|
9e730ffac1 |
m68knommu: use asm-generic/cacheflush.h
m68knommu needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Greg Ungerer <gerg@linux-m68k.org> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Link: http://lkml.kernel.org/r/20200515143646.3857579-15-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Linus Torvalds
|
cff11abeca |
Kbuild updates for v5.8
- fix warnings in 'make clean' for ARCH=um, hexagon, h8300, unicore32
- ensure to rebuild all objects when the compiler is upgraded
- exclude system headers from dependency tracking and fixdep processing
- fix potential bit-size mismatch between the kernel and BPF user-mode
helper
- add the new syntax 'userprogs' to build user-space programs for the
target architecture (the same arch as the kernel)
- compile user-space sample code under samples/ for the target arch
instead of the host arch
- make headers_install fail if a CONFIG option is leaked to user-space
- sanitize the output format of scripts/checkstack.pl
- handle ARM 'push' instruction in scripts/checkstack.pl
- error out before modpost if a module name conflict is found
- error out when multiple directories are passed to M= because this
feature is broken for a long time
- add CONFIG_DEBUG_INFO_COMPRESSED to support compressed debug info
- a lot of cleanups of modpost
- dump vmlinux symbols out into vmlinux.symvers, and reuse it in the
second pass of modpost
- do not run the second pass of modpost if nothing in modules is updated
- install modules.builtin(.modinfo) by 'make install' as well as by
'make modules_install' because it is useful even when CONFIG_MODULES=n
- add new command line variables, GZIP, BZIP2, LZOP, LZMA, LZ4, and XZ
to allow users to use alternatives such as pigz, pbzip2, etc.
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Merge tag 'kbuild-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- fix warnings in 'make clean' for ARCH=um, hexagon, h8300, unicore32
- ensure to rebuild all objects when the compiler is upgraded
- exclude system headers from dependency tracking and fixdep processing
- fix potential bit-size mismatch between the kernel and BPF user-mode
helper
- add the new syntax 'userprogs' to build user-space programs for the
target architecture (the same arch as the kernel)
- compile user-space sample code under samples/ for the target arch
instead of the host arch
- make headers_install fail if a CONFIG option is leaked to user-space
- sanitize the output format of scripts/checkstack.pl
- handle ARM 'push' instruction in scripts/checkstack.pl
- error out before modpost if a module name conflict is found
- error out when multiple directories are passed to M= because this
feature is broken for a long time
- add CONFIG_DEBUG_INFO_COMPRESSED to support compressed debug info
- a lot of cleanups of modpost
- dump vmlinux symbols out into vmlinux.symvers, and reuse it in the
second pass of modpost
- do not run the second pass of modpost if nothing in modules is
updated
- install modules.builtin(.modinfo) by 'make install' as well as by
'make modules_install' because it is useful even when
CONFIG_MODULES=n
- add new command line variables, GZIP, BZIP2, LZOP, LZMA, LZ4, and XZ
to allow users to use alternatives such as pigz, pbzip2, etc.
* tag 'kbuild-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (96 commits)
kbuild: add variables for compression tools
Makefile: install modules.builtin even if CONFIG_MODULES=n
mksysmap: Fix the mismatch of '.L' symbols in System.map
kbuild: doc: rename LDFLAGS to KBUILD_LDFLAGS
modpost: change elf_info->size to size_t
modpost: remove is_vmlinux() helper
modpost: strip .o from modname before calling new_module()
modpost: set have_vmlinux in new_module()
modpost: remove mod->skip struct member
modpost: add mod->is_vmlinux struct member
modpost: remove is_vmlinux() call in check_for_{gpl_usage,unused}()
modpost: remove mod->is_dot_o struct member
modpost: move -d option in scripts/Makefile.modpost
modpost: remove -s option
modpost: remove get_next_text() and make {grab,release_}file static
modpost: use read_text_file() and get_line() for reading text files
modpost: avoid false-positive file open error
modpost: fix potential mmap'ed file overrun in get_src_version()
modpost: add read_text_file() and get_line() helpers
modpost: do not call get_modinfo() for vmlinux(.o)
...
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Denis Efremov
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8dfb61dcba |
kbuild: add variables for compression tools
Allow user to use alternative implementations of compression tools, such as pigz, pbzip2, pxz. For example, multi-threaded tools to speed up the build: $ make GZIP=pigz BZIP2=pbzip2 Variables _GZIP, _BZIP2, _LZOP are used internally because original env vars are reserved by the tools. The use of GZIP in gzip tool is obsolete since 2015. However, alternative implementations (e.g., pigz) still rely on it. BZIP2, BZIP, LZOP vars are not obsolescent. The credit goes to @grsecurity. As a sidenote, for multi-threaded lzma, xz compression one can use: $ export XZ_OPT="--threads=0" Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Mike Rapoport
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5d2ee1a17f |
m68k: mm: simplify detection of memory zone boundaries
free_area_init() only requires the definition of maximal PFN for each of the supported zone rater than calculation of actual zone sizes and the sizes of the holes between the zones. After removal of CONFIG_HAVE_MEMBLOCK_NODE_MAP the free_area_init() is available to all architectures. Using this function instead of free_area_init_node() simplifies the zone detection. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Hoan Tran <hoan@os.amperecomputing.com> [arm64] Cc: Baoquan He <bhe@redhat.com> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Hocko <mhocko@kernel.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200412194859.12663-11-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
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fa3354e4ea |
mm: free_area_init: use maximal zone PFNs rather than zone sizes
Currently, architectures that use free_area_init() to initialize memory map and node and zone structures need to calculate zone and hole sizes. We can use free_area_init_nodes() instead and let it detect the zone boundaries while the architectures will only have to supply the possible limits for the zones. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Hoan Tran <hoan@os.amperecomputing.com> [arm64] Reviewed-by: Baoquan He <bhe@redhat.com> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Hocko <mhocko@kernel.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200412194859.12663-5-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
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3f08a302f5 |
mm: remove CONFIG_HAVE_MEMBLOCK_NODE_MAP option
CONFIG_HAVE_MEMBLOCK_NODE_MAP is used to differentiate initialization of nodes and zones structures between the systems that have region to node mapping in memblock and those that don't. Currently all the NUMA architectures enable this option and for the non-NUMA systems we can presume that all the memory belongs to node 0 and therefore the compile time configuration option is not required. The remaining few architectures that use DISCONTIGMEM without NUMA are easily updated to use memblock_add_node() instead of memblock_add() and thus have proper correspondence of memblock regions to NUMA nodes. Still, free_area_init_node() must have a backward compatible version because its semantics with and without CONFIG_HAVE_MEMBLOCK_NODE_MAP is different. Once all the architectures will use the new semantics, the entire compatibility layer can be dropped. To avoid addition of extra run time memory to store node id for architectures that keep memblock but have only a single node, the node id field of the memblock_region is guarded by CONFIG_NEED_MULTIPLE_NODES and the corresponding accessors presume that in those cases it is always 0. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Hoan Tran <hoan@os.amperecomputing.com> [arm64] Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Cc: Baoquan He <bhe@redhat.com> Cc: Brian Cain <bcain@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Hocko <mhocko@kernel.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200412194859.12663-4-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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bce159d734 |
for-5.8/drivers-2020-06-01
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Merge tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"On top of the core changes, here are the block driver changes for this
merge window:
- NVMe changes:
- NVMe over Fibre Channel protocol updates, which also reach
over to drivers/scsi/lpfc (James Smart)
- namespace revalidation support on the target (Anthony
Iliopoulos)
- gcc zero length array fix (Arnd Bergmann)
- nvmet cleanups (Chaitanya Kulkarni)
- misc cleanups and fixes (me, Keith Busch, Sagi Grimberg)
- use a SRQ per completion vector (Max Gurtovoy)
- fix handling of runtime changes to the queue count (Weiping
Zhang)
- t10 protection information support for nvme-rdma and
nvmet-rdma (Israel Rukshin and Max Gurtovoy)
- target side AEN improvements (Chaitanya Kulkarni)
- various fixes and minor improvements all over, icluding the
nvme part of the lpfc driver"
- Floppy code cleanup series (Willy, Denis)
- Floppy contention fix (Jiri)
- Loop CONFIGURE support (Martijn)
- bcache fixes/improvements (Coly, Joe, Colin)
- q->queuedata cleanups (Christoph)
- Get rid of ioctl_by_bdev (Christoph, Stefan)
- md/raid5 allocation fixes (Coly)
- zero length array fixes (Gustavo)
- swim3 task state fix (Xu)"
* tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block: (166 commits)
bcache: configure the asynchronous registertion to be experimental
bcache: asynchronous devices registration
bcache: fix refcount underflow in bcache_device_free()
bcache: Convert pr_<level> uses to a more typical style
bcache: remove redundant variables i and n
lpfc: Fix return value in __lpfc_nvme_ls_abort
lpfc: fix axchg pointer reference after free and double frees
lpfc: Fix pointer checks and comments in LS receive refactoring
nvme: set dma alignment to qword
nvmet: cleanups the loop in nvmet_async_events_process
nvmet: fix memory leak when removing namespaces and controllers concurrently
nvmet-rdma: add metadata/T10-PI support
nvmet: add metadata support for block devices
nvmet: add metadata/T10-PI support
nvme: add Metadata Capabilities enumerations
nvmet: rename nvmet_check_data_len to nvmet_check_transfer_len
nvmet: rename nvmet_rw_len to nvmet_rw_data_len
nvmet: add metadata characteristics for a namespace
nvme-rdma: add metadata/T10-PI support
nvme-rdma: introduce nvme_rdma_sgl structure
...
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Linus Torvalds
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c5d6c13843 |
MMC core:
- Enable erase/discard/trim support for all (e)MMC/SD hosts
- Export information through sysfs about enhanced RPMB support (eMMC v5.1+)
- Align the initialization commands for SDIO cards
- Fix SDIO initialization to prevent memory leaks and NULL pointer errors
- Do not export undefined MMC_NAME/MODALIAS for SDIO cards
- Export device/vendor field from common CIS for SDIO cards
- Move SDIO IDs from functional drivers to the common SDIO header
- Introduce the ->request_atomic() host ops
MMC host:
- Improve support for HW busy signaling for several hosts
- Converting some DT bindings to the json-schema
- meson-mx-sdhc: Add driver and DT doc for the Amlogic Meson SDHC controller
- meson-mx-sdio: Run a soft reset to recover from timeout/CRC error
- mmci: Convert to use mmc_regulator_set_vqmmc()
- mmci_stm32_sdmmc: Fix a couple of DMA bugs
- mmci_stm32_sdmmc: Fix power on issue
- renesas,mmcif,sdhci: Document r8a7742 DT bindings
- renesas_sdhi: Add support for M3-W ES1.2 and 1.3 revisions
- renesas_sdhi: Improvements to the TAP selection
- renesas_sdhi/tmio: Further fixup runtime PM management at ->remove()
- sdhci: Introduce ops to dump vendor specific registers
- sdhci-cadence: Fix PHY write sequence
- sdhci-esdhc-imx: Improve tunings
- sdhci-esdhc-imx: Enable GPIO card detect as system wakeup
- sdhci-esdhc-imx: Add HS400 support for i.MX6SLL
- sdhci-esdhc-mcf: Add driver for the Coldfire/M5441X esdhc controller
- m68k: mcf5441x: Add platform data to enable esdhc mmc controller
- sdhci-msm: Improve HS400 tuning
- sdhci-msm: Dump vendor specific registers at error
- sdhci-msm: Add support for DLL/DDR properties provided from DT
- sdhci-msm: Add support for the sm8250 variant
- sdhci-msm: Add support for DVFS by converting to dev_pm_opp_set_rate()
- sdhci-of-arasan: Add support for Intel Keem Bay variant
- sdhci-of-arasan: Add support for Xilinx Versal SD variant
- sdhci-of-dwcmshc: Add support for system suspend/resume
- sdhci-of-dwcmshc: Fix UHS signaling support
- sdhci-of-esdhc: Fix tuning for eMMC HS400 mode
- sdhci-pci-gli: Add Genesys Logic GL9763E support
- sdhci-sprd: Add support for the ->request_atomic() ops
- sdhci-tegra: Avoid reading autocal timeout values when not applicable
MEMSTICK:
- Minor trivial update.
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Merge tag 'mmc-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Enable erase/discard/trim support for all (e)MMC/SD hosts
- Export information through sysfs about enhanced RPMB support (eMMC v5.1+)
- Align the initialization commands for SDIO cards
- Fix SDIO initialization to prevent memory leaks and NULL pointer errors
- Do not export undefined MMC_NAME/MODALIAS for SDIO cards
- Export device/vendor field from common CIS for SDIO cards
- Move SDIO IDs from functional drivers to the common SDIO header
- Introduce the ->request_atomic() host ops
MMC host:
- Improve support for HW busy signaling for several hosts
- Converting some DT bindings to the json-schema
- meson-mx-sdhc: Add driver and DT doc for the Amlogic Meson SDHC controller
- meson-mx-sdio: Run a soft reset to recover from timeout/CRC error
- mmci: Convert to use mmc_regulator_set_vqmmc()
- mmci_stm32_sdmmc: Fix a couple of DMA bugs
- mmci_stm32_sdmmc: Fix power on issue
- renesas,mmcif,sdhci: Document r8a7742 DT bindings
- renesas_sdhi: Add support for M3-W ES1.2 and 1.3 revisions
- renesas_sdhi: Improvements to the TAP selection
- renesas_sdhi/tmio: Further fixup runtime PM management at ->remove()
- sdhci: Introduce ops to dump vendor specific registers
- sdhci-cadence: Fix PHY write sequence
- sdhci-esdhc-imx: Improve tunings
- sdhci-esdhc-imx: Enable GPIO card detect as system wakeup
- sdhci-esdhc-imx: Add HS400 support for i.MX6SLL
- sdhci-esdhc-mcf: Add driver for the Coldfire/M5441X esdhc controller
- m68k: mcf5441x: Add platform data to enable esdhc mmc controller
- sdhci-msm: Improve HS400 tuning
- sdhci-msm: Dump vendor specific registers at error
- sdhci-msm: Add support for DLL/DDR properties provided from DT
- sdhci-msm: Add support for the sm8250 variant
- sdhci-msm: Add support for DVFS by converting to dev_pm_opp_set_rate()
- sdhci-of-arasan: Add support for Intel Keem Bay variant
- sdhci-of-arasan: Add support for Xilinx Versal SD variant
- sdhci-of-dwcmshc: Add support for system suspend/resume
- sdhci-of-dwcmshc: Fix UHS signaling support
- sdhci-of-esdhc: Fix tuning for eMMC HS400 mode
- sdhci-pci-gli: Add Genesys Logic GL9763E support
- sdhci-sprd: Add support for the ->request_atomic() ops
- sdhci-tegra: Avoid reading autocal timeout values when not applicable
MEMSTICK:
- Minor trivial update"
* tag 'mmc-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (127 commits)
dt-bindings: mmc: Convert sdhci-pxa to json-schema
mmc: sdhci-msm: Clear tuning done flag while hs400 tuning
mmc: core: Export device/vendor ids from Common CIS for SDIO cards
mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block for SDIO cards
mmc: sdhci-of-at91: fix CALCR register being rewritten
mmc: sdhci-esdhc-imx: disable the CMD CRC check for standard tuning
mmc: sdhci-esdhc-imx: fix the mask for tuning start point
mmc: host: sdhci-esdhc-imx: add wakeup feature for GPIO CD pin
mmc: mmci_sdmmc: fix DMA API warning max segment size
mmc: mmci_sdmmc: fix DMA API warning overlapping mappings
mmc: sdhci-of-arasan: Add support for Intel Keem Bay
dt-bindings: mmc: arasan: Add compatible strings for Intel Keem Bay
mmc: sdhci-cadence: fix PHY write
mmc: sdio: Sort all SDIO IDs in common include file
mmc: sdio: Fix Cypress SDIO IDs macros in common include file
mmc: sdio: Move SDIO IDs from b43-sdio driver to common include file
mmc: sdio: Move SDIO IDs from ath10k driver to common include file
mmc: sdio: Move SDIO IDs from ath6kl driver to common include file
mmc: sdio: Move SDIO IDs from smssdio driver to common include file
mmc: sdio: Move SDIO IDs from btmtksdio driver to common include file
...
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Linus Torvalds
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f359287765 |
Merge branch 'from-miklos' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro: "Assorted patches from Miklos. An interesting part here is /proc/mounts stuff..." The "/proc/mounts stuff" is using a cursor for keeeping the location data while traversing the mount listing. Also probably worth noting is the addition of faccessat2(), which takes an additional set of flags to specify how the lookup is done (AT_EACCESS, AT_SYMLINK_NOFOLLOW, AT_EMPTY_PATH). * 'from-miklos' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: vfs: add faccessat2 syscall vfs: don't parse "silent" option vfs: don't parse "posixacl" option vfs: don't parse forbidden flags statx: add mount_root statx: add mount ID statx: don't clear STATX_ATIME on SB_RDONLY uapi: deprecate STATX_ALL utimensat: AT_EMPTY_PATH support vfs: split out access_override_creds() proc/mounts: add cursor aio: fix async fsync creds vfs: allow unprivileged whiteout creation |
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Linus Torvalds
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4b01285e16 |
Merge branch 'uaccess.csum' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull uaccess/csum updates from Al Viro:
"Regularize the sitation with uaccess checksum primitives:
- fold csum_partial_... into csum_and_copy_..._user()
- on x86 collapse several access_ok()/stac()/clac() into
user_access_begin()/user_access_end()"
* 'uaccess.csum' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
default csum_and_copy_to_user(): don't bother with access_ok()
take the dummy csum_and_copy_from_user() into net/checksum.h
arm: switch to csum_and_copy_from_user()
sh32: convert to csum_and_copy_from_user()
m68k: convert to csum_and_copy_from_user()
xtensa: switch to providing csum_and_copy_from_user()
sparc: switch to providing csum_and_copy_from_user()
parisc: turn csum_partial_copy_from_user() into csum_and_copy_from_user()
alpha: turn csum_partial_copy_from_user() into csum_and_copy_from_user()
ia64: turn csum_partial_copy_from_user() into csum_and_copy_from_user()
ia64: csum_partial_copy_nocheck(): don't abuse csum_partial_copy_from_user()
x86: switch 32bit csum_and_copy_to_user() to user_access_{begin,end}()
x86: switch both 32bit and 64bit to providing csum_and_copy_from_user()
x86_64: csum_..._copy_..._user(): switch to unsafe_..._user()
get rid of csum_partial_copy_to_user()
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Linus Torvalds
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3ee3723b40 |
m68k updates for v5.8
- Several Mac fixes, - Defconfig updates, - Minor cleanups and fixes. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCXtT7GRUcZ2VlcnRAbGlu dXgtbTY4ay5vcmcACgkQisJQ/WRJ8XDU4gD+PAZiJHtXiJEiSFXe1PXOZd5K615n HhW3Hlm0w5ebDGkBANRCwRt2tObfsQ0J7hupacJZCXU7DawBTtM8iyXjjFYG =bGe8 -----END PGP SIGNATURE----- Merge tag 'm68k-for-v5.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - several Mac fixes - defconfig updates - minor cleanups and fixes * tag 'm68k-for-v5.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: tools: Replace zero-length array with flexible-array member m68k: Add missing __user annotation in get_user() m68k: mac: Avoid stuck ISM IOP interrupt on Quadra 900/950 m68k: mac: Remove misleading comment m68k: mac: Don't call via_flush_cache() on Mac IIfx m68k: defconfig: Update defconfigs for v5.7-rc1 m68k: amiga: config: Replace zero-length array with flexible-array member m68k: amiga: config: Mark expected switch fall-through |
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Luc Van Oostenryck
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9e2b6ed41f |
m68k,nommu: fix implicit cast from __user in __{get,put}_user_asm()
The assembly for __get_user_asm() & __put_user_asm() uses memcpy() when the size is 8. However, the pointer is always a __user one while memcpy() expects a plain one and so this cast creates a lot of warnings when using Sparse. So, fix this by adding a cast to 'void __force *' at memcpy()'s argument. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> |
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Luc Van Oostenryck
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ce3e83759c |
m68k,nommu: add missing __user in uaccess' __ptr() macro
The assembly for __get_user() & __put_user() uses a macro, __ptr(), to cast the pointer to 'unsigned long *' but the pointer is always a __user one and so this cast creates a lot of warnings when using Sparse. So, change to the cast to 'unsigned long __user *'. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> |
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Bin Meng
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e000910716 |
m68k: Drop CONFIG_MTD_M25P80 in stmark2_defconfig
Drop CONFIG_MTD_M25P80 that was removed in
commit
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Al Viro
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8084c99b9a |
m68k: convert to csum_and_copy_from_user()
trivial access_ok() there... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Angelo Dureghello
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91132078a3 |
m68k: coldfire/clk.c: move m5441x specific code
Moving specific m5441x clk-related code in more appropriate location, since breaking compilation for other targets. Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com> Link: https://lore.kernel.org/r/20200525102324.2723438-1-angelo.dureghello@timesys.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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Angelo Dureghello
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991f5c4dd2 |
m68k: mcf5441x: add support for esdhc mmc controller
Add support for sdhci-edshc mmc controller. Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com> Acked-by: Greg Ungerer <gerg@linux-m68k.org> Link: https://lore.kernel.org/r/20200518191742.1251440-1-angelo.dureghello@timesys.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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Gustavo A. R. Silva
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3381df0954 |
m68k: tools: 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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Jason Wang
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2941a4731f |
m68k: Add missing __user annotation in get_user()
The ptr is a pointer to userspace memory. So we need annotate it with
__user otherwise we may get sparse warnings like:
drivers/vhost/vhost.c:1603:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const *__gu_ptr @@ got unsigned int [noderef] [usertypvoid const *__gu_ptr @@
drivers/vhost/vhost.c:1603:13: sparse: expected void const *__gu_ptr
drivers/vhost/vhost.c:1603:13: sparse: got unsigned int [noderef] [usertype] <asn:1> *idxp
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20200520065750.8401-1-jasowang@redhat.com
Fixes:
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Finn Thain
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b2003c7a81 |
m68k: mac: Avoid stuck ISM IOP interrupt on Quadra 900/950
On a Quadra 900/950, the ISM IOP IRQ output pin is connected to an edge-triggered input on VIA2. It is theoretically possible that this signal could fail to produce the expected VIA2 interrupt. The two IOP interrupt flags can be asserted in any order but the logic in iop_ism_irq() does not allow for that. In particular, INT0 can be asserted right after INT0 is checked and before INT1 is cleared. Such an interrupt would produce no new edge and VIA2 would detect no further interrupts from the IOP. Avoid this by looping over the INT0/1 handlers so an edge can be produced. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Stan Johnson <userm57@yahoo.com> Cc: Joshua Thompson <funaho@jurai.org> Link: https://lore.kernel.org/r/bfbb71db52c5e162d3afa25a28fc5d535ca87138.1589949122.git.fthain@telegraphics.com.au Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> |
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Finn Thain
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bf6c68ead3 |
m68k: mac: Remove misleading comment
This code path was tested on a Quadra 950 a long time ago and the comment isn't needed. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Cc: Joshua Thompson <funaho@jurai.org> Link: https://lore.kernel.org/r/10dff3e7c17d363a4b239aae7b3ebab32bef3547.1589949122.git.fthain@telegraphics.com.au Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> |
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Finn Thain
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bcc44f6b74 |
m68k: mac: Don't call via_flush_cache() on Mac IIfx
There is no VIA2 chip on the Mac IIfx, so don't call via_flush_cache().
This avoids a boot crash which appeared in v5.4.
printk: console [ttyS0] enabled
printk: bootconsole [debug0] disabled
printk: bootconsole [debug0] disabled
Calibrating delay loop... 9.61 BogoMIPS (lpj=48064)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
devtmpfs: initialized
random: get_random_u32 called from bucket_table_alloc.isra.27+0x68/0x194 with crng_init=0
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: -1, 3072 bytes, linear)
NET: Registered protocol family 16
Data read fault at 0x00000000 in Super Data (pc=0x8a6a)
BAD KERNEL BUSERR
Oops: 00000000
Modules linked in:
PC: [<00008a6a>] via_flush_cache+0x12/0x2c
SR: 2700 SP: 01c1fe3c a2: 01c24000
d0: 00001119 d1: 0000000c d2: 00012000 d3: 0000000f
d4: 01c06840 d5: 00033b92 a0: 00000000 a1: 00000000
Process swapper (pid: 1, task=01c24000)
Frame format=B ssw=0755 isc=0200 isb=fff7 daddr=00000000 dobuf=01c1fed0
baddr=00008a6e dibuf=0000004e ver=f
Stack from 01c1fec4:
01c1fed0 00007d7e 00010080 01c1fedc 0000792e 00000001 01c1fef4 00006b40
01c80000 00040000 00000006 00000003 01c1ff1c 004a545e 004ff200 00040000
00000000 00000003 01c06840 00033b92 004a5410 004b6c88 01c1ff84 000021e2
00000073 00000003 01c06840 00033b92 0038507a 004bb094 004b6ca8 004b6c88
004b6ca4 004b6c88 000021ae 00020002 00000000 01c0685d 00000000 01c1ffb4
0049f938 00409c85 01c06840 0045bd40 00000073 00000002 00000002 00000000
Call Trace: [<00007d7e>] mac_cache_card_flush+0x12/0x1c
[<00010080>] fix_dnrm+0x2/0x18
[<0000792e>] cache_push+0x46/0x5a
[<00006b40>] arch_dma_prep_coherent+0x60/0x6e
[<00040000>] switched_to_dl+0x76/0xd0
[<004a545e>] dma_atomic_pool_init+0x4e/0x188
[<00040000>] switched_to_dl+0x76/0xd0
[<00033b92>] parse_args+0x0/0x370
[<004a5410>] dma_atomic_pool_init+0x0/0x188
[<000021e2>] do_one_initcall+0x34/0x1be
[<00033b92>] parse_args+0x0/0x370
[<0038507a>] strcpy+0x0/0x1e
[<000021ae>] do_one_initcall+0x0/0x1be
[<00020002>] do_proc_dointvec_conv+0x54/0x74
[<0049f938>] kernel_init_freeable+0x126/0x190
[<0049f94c>] kernel_init_freeable+0x13a/0x190
[<004a5410>] dma_atomic_pool_init+0x0/0x188
[<00041798>] complete+0x0/0x3c
[<000b9b0c>] kfree+0x0/0x20a
[<0038df98>] schedule+0x0/0xd0
[<0038d604>] kernel_init+0x0/0xda
[<0038d610>] kernel_init+0xc/0xda
[<0038d604>] kernel_init+0x0/0xda
[<00002d38>] ret_from_kernel_thread+0xc/0x14
Code: 0000 2079 0048 10da 2279 0048 10c8 d3c8 <1011> 0200 fff7 1280 d1f9 0048 10c8 1010 0000 0008 1080 4e5e 4e75 4e56 0000 2039
Disabling lock debugging due to kernel taint
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
Thanks to Stan Johnson for capturing the console log and running git
bisect.
Git bisect said commit
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Christophe JAILLET
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c3f4ec050f |
m68k/PCI: Fix a memory leak in an error handling path
If 'ioremap' fails, we must free 'bridge', as done in other error handling
path bellow.
Fixes:
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Miklos Szeredi
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c8ffd8bcdd |
vfs: add faccessat2 syscall
POSIX defines faccessat() as having a fourth "flags" argument, while the linux syscall doesn't have it. Glibc tries to emulate AT_EACCESS and AT_SYMLINK_NOFOLLOW, but AT_EACCESS emulation is broken. Add a new faccessat(2) syscall with the added flags argument and implement both flags. The value of AT_EACCESS is defined in glibc headers to be the same as AT_REMOVEDIR. Use this value for the kernel interface as well, together with the explanatory comment. Also add AT_EMPTY_PATH support, which is not documented by POSIX, but can be useful and is trivial to implement. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
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Willy Tarreau
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76373fc666 |
floppy: use symbolic register names in the m68k port
Now we can use FD_STATUS and FD_DATA instead of 4 or 5, let's do this, and also use STATUS_DMA and STATUS_READY for the status bits. Link: https://lore.kernel.org/r/20200331094054.24441-4-w@1wt.eu Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Denis Efremov <efremov@linux.com> |
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Willy Tarreau
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e72e8bf1c9 |
floppy: split the base port from the register in I/O accesses
Currently we have architecture-specific fd_inb() and fd_outb() functions
or macros, taking just a port which is in fact made of a base address and
a register. The base address is FDC-specific and derived from the local or
global "fdc" variable through the FD_IOPORT macro used in the base address
calculation.
This change splits this by explicitly passing the FDC's base address and
the register separately to fd_outb() and fd_inb(). It affects the
following archs:
- x86, alpha, mips, powerpc, parisc, arm, m68k:
simple remap of port -> base+reg
- sparc32: use of reg only, since the base address was already masked
out and the FDC controller is known from a static struct.
- sparc64: like x86 for PCI, like sparc32 for 82077
Some archs use inline functions and others macros. This was not
unified in order to minimize the number of changes to review. For the
same reason checkpatch still spews a few warnings about things that
were already there before.
The parisc still uses hard-coded register values and could be cleaned up
by taking the register definitions.
The sparc per-controller inb/outb functions could further be refined
to explicitly take an FDC register instead of a port in argument but it
was not needed yet and may be cleaned later.
Link: https://lore.kernel.org/r/20200331094054.24441-2-w@1wt.eu
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Ian Molton <spyro@f2s.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Helge Deller <deller@gmx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: x86@kernel.org
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
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Geert Uytterhoeven
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b5c08eb306 |
m68k: defconfig: Update defconfigs for v5.7-rc1
- Enable modular build of Bare UDP Encapsulation, exFAT filesystem
support, and lockup and min heap test modules,
- Remove CONFIG_NF_TABLES_SET=m (removed in commit
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Stephen Boyd
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bbd7ffdbef |
clk: Allow the common clk framework to be selectable
Enable build testing and configuration control of the common clk framework so that more code coverage and testing can be done on the common clk framework across various architectures. This also nicely removes the requirement that architectures must select the framework when they don't use it in architecture code. There's one snag with doing this, and that's making sure that randconfig builds don't select this option when some architecture or platform implements 'struct clk' outside of the common clk framework. Introduce a new config option 'HAVE_LEGACY_CLK' to indicate those platforms that haven't migrated to the common clk framework and therefore shouldn't be allowed to select this new config option. Also add a note that we hope one day to remove this config entirely. Based on a patch by Mark Brown <broonie@kernel.org>. Cc: Mark Brown <broonie@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Mark Salter <msalter@redhat.com> Cc: Aurelien Jacquiot <jacquiot.aurelien@gmail.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Russell King <linux@armlinux.org.uk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: <linux-mips@vger.kernel.org> Cc: <linux-c6x-dev@linux-c6x.org> Cc: <linux-m68k@lists.linux-m68k.org> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <linux-sh@vger.kernel.org> Link: https://lore.kernel.org/r/1470915049-15249-1-git-send-email-broonie@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lkml.kernel.org/r/20200409064416.83340-8-sboyd@kernel.org Reviewed-by: Mark Brown <broonie@kernel.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de> |
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Gustavo A. R. Silva
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366b8149fb |
m68k: amiga: config: 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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