- 18 Oct, 2019 26 commits
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Jiri Slaby authored
Change all assembly code which is marked using END (and not ENDPROC) to appropriate new markings SYM_CODE_START and SYM_CODE_END. And since the last user of END on X86 is gone now, make sure that END is not defined there. Signed-off-by:
Jiri Slaby <jslaby@suse.cz> Signed-off-by:
Borislav Petkov <bp@suse.de> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: linux-arch@vger.kernel.org Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20191011115108.12392-27-jslaby@suse.cz
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Jiri Slaby authored
All these are functions which are invoked from elsewhere but they are not typical C functions. So annotate them using the new SYM_CODE_START. All these were not balanced with any END, so mark their ends by SYM_CODE_END, appropriately. Signed-off-by:
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Jiri Slaby authored
These are all functions which are invoked from elsewhere, so annotate them as global using the new SYM_FUNC_START and their ENDPROC's by SYM_FUNC_END. Make sure ENTRY/ENDPROC is not defined on X86_64, given these were the last users. Signed-off-by:
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Jiri Slaby authored
Change all assembly code which is marked using END (and not ENDPROC). Switch all these to the appropriate new annotation SYM_CODE_START and SYM_CODE_END. Signed-off-by:
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Jiri Slaby authored
All these are functions which are invoked from elsewhere but they are not typical C functions. So annotate them using the new SYM_CODE_START. All these were not balanced with any END, so mark their ends by SYM_CODE_END appropriately too. Signed-off-by:
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Jiri Slaby authored
Relabel function_hook to be marked really as a function. It is called from C and has the same expectations towards the stack etc. Signed-off-by:
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Jiri Slaby authored
There are a couple of assembly functions which are invoked only locally in the file they are defined. In C, they are marked "static". In assembly, annotate them using SYM_{FUNC,CODE}_START_LOCAL (and switch their ENDPROC to SYM_{FUNC,CODE}_END too). Whether FUNC or CODE is used, depends on whether ENDPROC or END was used for a particular function before. Signed-off-by: -
Jiri Slaby authored
Convert the remaining 32bit users and remove the GLOBAL macro finally. In particular, this means to use SYM_ENTRY for the singlestepping hack region. Exclude the global definition of GLOBAL from x86 too. Signed-off-by:
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Jiri Slaby authored
GLOBAL had several meanings and is going away. Convert all the data marked using GLOBAL to use SYM_DATA_START or SYM_DATA instead. Note that SYM_DATA_END_LABEL is used to generate tr_gdt_end too. Signed-off-by:
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Jiri Slaby authored
The GLOBAL macro had several meanings and is going away. Convert all the inner function labels marked with GLOBAL to use SYM_INNER_LABEL instead. Signed-off-by:
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Jiri Slaby authored
GLOBAL is an x86's custom macro and is going to die very soon. It was meant for global symbols, but here, it was used for functions. Instead, use the new macros SYM_FUNC_START* and SYM_CODE_START* (depending on the type of the function) which are dedicated to global functions. And since they both require a closing by SYM_*_END, do that here too. startup_64, which does not use GLOBAL but uses .globl explicitly, is converted too. "No alignments" are preserved. Signed-off-by:
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Jiri Slaby authored
Purgatory used no annotations at all. So include linux/linkage.h and annotate everything: * code by SYM_CODE_* * data by SYM_DATA_* [ bp: Fixup comment in gdt: ] Signed-off-by:
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Jiri Slaby authored
Use the new SYM_DATA_START_LOCAL, and SYM_DATA_END* macros to get: 0000 8 OBJECT LOCAL DEFAULT 6 gdt 0008 32 OBJECT LOCAL DEFAULT 6 gdt_start 0028 0 OBJECT LOCAL DEFAULT 6 gdt_end 0028 256 OBJECT LOCAL DEFAULT 6 early_stack 0128 0 OBJECT LOCAL DEFAULT 6 early_stack Signed-off-by:
Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Andy Shevchenko <andy@infradead.org> Cc: Darren Hart <dvhart@infradead.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: linux-arch@vger.kernel.org Cc: platform-driver-x86@vger.kernel.org Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Cc: xen-devel@lists.xenproject.org Link: https://lkml.kernel.org/r/20191011115108.12392-15-jslaby@suse.cz
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Jiri Slaby authored
Use the new SYM_DATA_START and SYM_DATA_END_LABEL macros for vdso_start. Result is: 0000 2376 OBJECT GLOBAL DEFAULT 4 vdso_start 0948 0 OBJECT GLOBAL DEFAULT 4 vdso_end Signed-off-by:
Richard Weinberger <richard@nod.at> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: linux-arch@vger.kernel.org Cc: linux-um@lists.infradead.org Cc: Thomas Gleixner <tglx@linutronix.de> Cc: user-mode-linux-devel@lists.sourceforge.net Cc: user-mode-linux-user@lists.sourceforge.net Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20191011115108.12392-14-jslaby@suse.cz
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Jiri Slaby authored
Use the new SYM_DATA, SYM_DATA_START, and SYM_DATA_END* macros for data, so that the data in the object file look sane: Value Size Type Bind Vis Ndx Name 0000 10 OBJECT GLOBAL DEFAULT 3 efi32_boot_gdt 000a 10 OBJECT LOCAL DEFAULT 3 save_gdt 0014 8 OBJECT LOCAL DEFAULT 3 func_rt_ptr 001c 48 OBJECT GLOBAL DEFAULT 3 efi_gdt64 004c 0 OBJECT LOCAL DEFAULT 3 efi_gdt64_end 0000 48 OBJECT LOCAL DEFAULT 3 gdt 0030 0 OBJECT LOCAL DEFAULT 3 gdt_end 0030 8 OBJECT LOCAL DEFAULT 3 efi_config 0038 49 OBJECT GLOBAL DEFAULT 3 efi32_config 0069 49 OBJECT GLOBAL DEFAULT 3 efi64_config All have correct size and type now. Signed-off-by: -
Jiri Slaby authored
Use the new SYM_DATA, SYM_DATA_START, and SYM_DATA_END in both 32 and 64 bit head_*.S. In the 64-bit version, define also SYM_DATA_START_PAGE_ALIGNED locally using the new SYM_START. It is used in the code instead of NEXT_PAGE() which was defined in this file and had been using the obsolete macro GLOBAL(). Now, the data in the 64-bit object file look sane: Value Size Type Bind Vis Ndx Name 0000 4096 OBJECT GLOBAL DEFAULT 15 init_level4_pgt 1000 4096 OBJECT GLOBAL DEFAULT 15 level3_kernel_pgt 2000 2048 OBJECT GLOBAL DEFAULT 15 level2_kernel_pgt 3000 4096 OBJECT GLOBAL DEFAULT 15 level2_fixmap_pgt 4000 4096 OBJECT GLOBAL DEFAULT 15 level1_fixmap_pgt 5000 2 OBJECT GLOBAL DEFAULT 15 early_gdt_descr 5002 8 OBJECT LOCAL DEFAULT 15 early_gdt_descr_base 500a 8 OBJECT GLOBAL DEFAULT 15 phys_base 0000 8 OBJECT GLOBAL DEFAULT 17 initial_code 0008 8 OBJECT GLOBAL DEFAULT 17 initial_gs 0010 8 OBJECT GLOBAL DEFAULT 17 initial_stack 0000 4 OBJECT GLOBAL DEFAULT 19 early_recursion_flag 1000 4096 OBJECT GLOBAL DEFAULT 19 early_level4_pgt 2000 0x40000 OBJECT GLOBAL DEFAULT 19 early_dynamic_pgts 0000 4096 OBJECT GLOBAL DEFAULT 22 empty_zero_page All have correct size and type now. Note that this also removes implicit 16B alignment previously inserted by ENTRY: * initial_code, setup_once_ref, initial_page_table, initial_stack, boot_gdt are still aligned * early_gdt_descr is now properly aligned as was intended before ENTRY was added there long time ago * phys_base's alignment is kept by an explicitly added new alignment Signed-off-by: -
Jiri Slaby authored
* annotate functions properly by SYM_CODE_START, SYM_CODE_START_LOCAL* and SYM_CODE_END -- these are not C-like functions, so they have to be annotated using CODE. * use SYM_INNER_LABEL* for labels being in the middle of other functions This prevents nested labels annotations. Signed-off-by:
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Jiri Slaby authored
_key_expansion_128 is an alias to _key_expansion_256a, __memcpy to memcpy, xen_syscall32_target to xen_sysenter_target, and so on. Annotate them all using the new SYM_FUNC_START_ALIAS, SYM_FUNC_START_LOCAL_ALIAS, and SYM_FUNC_END_ALIAS. This will make the tools generating the debuginfo happy as it avoids nesting and double symbols. Signed-off-by:
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Jiri Slaby authored
.Lcopy_user_handle_tail is a self-standing local function, annotate it as such using SYM_CODE_START_LOCAL. Again, no functional change, just documentation. Signed-off-by:
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Jiri Slaby authored
.Lrelocated, .Lpaging_enabled, .Lno_longmode, and .Lin_pm32 are self-standing local functions, annotate them as such and preserve "no alignment". The annotations do not generate anything yet. Signed-off-by:
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Jiri Slaby authored
Use the newly added SYM_FUNC_START_LOCAL to annotate beginnings of all functions which do not have ".globl" annotation, but their endings are annotated by ENDPROC. This is needed to balance ENDPROC for tools that generate debuginfo. These function names are not prepended with ".L" as they might appear in call traces and they wouldn't be visible after such change. To be symmetric, the functions' ENDPROCs are converted to the new SYM_FUNC_END. Signed-off-by:
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Jiri Slaby authored
Use the newly added SYM_CODE_START_LOCAL* to annotate beginnings of all pseudo-functions (those ending with END until now) which do not have ".globl" annotation. This is needed to balance END for tools that generate debuginfo. Note that ENDs are switched to SYM_CODE_END too so that everybody can see the pairing. C-like functions (which handle frame ptr etc.) are not annotated here, hence SYM_CODE_* macros are used here, not SYM_FUNC_*. Note that the 32bit version of early_idt_handler_common already had ENDPROC -- switch that to SYM_CODE_END for the same reason as above (and to be the same as 64bit). While early_idt_handler_common is LOCAL, it's name is not prepended with ".L" as it happens to appear in call traces. bad_get_user*, and bad_put_user are now aligned, as they are separate functions. They do not mind to be aligned -- no need to be compact there. early_idt_handler_common is aligned now too, as it is after early_idt_handler_array, so as well no need to be compact there. verify_cpu is self-standing and included in other .S files, so align it too. The others have alignment preserved to what it used to be (using the _NOALIGN variant of macros). Signed-off-by:
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Jiri Slaby authored
Place SYM_*_START_NOALIGN and SYM_*_END around the THUNK macro body. Preserve @function by FUNC (64bit) and CODE (32bit). Given it was not marked as aligned, use NOALIGN. The result: Value Size Type Bind Vis Ndx Name 0000 28 FUNC GLOBAL DEFAULT 1 trace_hardirqs_on_thunk 001c 28 FUNC GLOBAL DEFAULT 1 trace_hardirqs_off_thunk 0038 24 FUNC GLOBAL DEFAULT 1 lockdep_sys_exit_thunk 0050 24 FUNC GLOBAL DEFAULT 1 ___preempt_schedule 0068 24 FUNC GLOBAL DEFAULT 1 ___preempt_schedule_notra The annotation of .L_restore does not generate anything (at the moment). Here, it just serves documentation purposes (as opening and closing brackets of functions). Signed-off-by:
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Jiri Slaby authored
There are functions in relocate_kernel_{32,64}.c which are not annotated. This makes automatic annotations on them rather hard. So annotate all the functions now. Note that these are not C-like functions, so FUNC is not used. Instead CODE markers are used. Also the functions are not aligned, so the NOALIGN versions are used: - SYM_CODE_START_NOALIGN - SYM_CODE_START_LOCAL_NOALIGN - SYM_CODE_END The result is: 0000 108 NOTYPE GLOBAL DEFAULT 1 relocate_kernel 006c 165 NOTYPE LOCAL DEFAULT 1 identity_mapped 0146 127 NOTYPE LOCAL DEFAULT 1 swap_pages 0111 53 NOTYPE LOCAL DEFAULT 1 virtual_mapped Signed-off-by: -
Jiri Slaby authored
Some global data in the suspend code were marked as `ENTRY'. ENTRY was intended for functions and shall be paired with ENDPROC. ENTRY also aligns symbols to 16 bytes which creates unnecessary holes. Note that: * saved_magic (long) in wakeup_32 is still prepended by section's ALIGN * saved_magic (quad) in wakeup_64 follows a bunch of quads which are aligned (but need not be aligned to 16) Since historical markings are being dropped, make proper use of newly added SYM_DATA in this code. Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by:
Pavel Machek <pavel@ucw.cz> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Len Brown <len.brown@intel.com> Cc: linux-arch@vger.kernel.org Cc: linux-pm@vger.kernel.org Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20191011115108.12392-3-jslaby@suse.cz
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Jiri Slaby authored
Introduce new C macros for annotations of functions and data in assembly. There is a long-standing mess in macros like ENTRY, END, ENDPROC and similar. They are used in different manners and sometimes incorrectly. So introduce macros with clear use to annotate assembly as follows: a) Support macros for the ones below SYM_T_FUNC -- type used by assembler to mark functions SYM_T_OBJECT -- type used by assembler to mark data SYM_T_NONE -- type used by assembler to mark entries of unknown type They are defined as STT_FUNC, STT_OBJECT, and STT_NOTYPE respectively. According to the gas manual, this is the most portable way. I am not sure about other assemblers, so this can be switched back to %function and %object if this turns into a problem. Architectures can also override them by something like ", @function" if they need. SYM_A_ALIGN, SYM_A_NONE -- align the symbol? SYM_L_GLOBAL, SYM_L_WEAK, SYM_L_LOCAL -- linkage of symbols b) Mostly internal annotations, used by the ones below SYM_ENTRY -- use only if you have to (for non-paired symbols) SYM_START -- use only if you have to (for paired symbols) SYM_END -- use only if you have to (for paired symbols) c) Annotations for code SYM_INNER_LABEL_ALIGN -- only for labels in the middle of code SYM_INNER_LABEL -- only for labels in the middle of code SYM_FUNC_START_LOCAL_ALIAS -- use where there are two local names for one function SYM_FUNC_START_ALIAS -- use where there are two global names for one function SYM_FUNC_END_ALIAS -- the end of LOCAL_ALIASed or ALIASed function SYM_FUNC_START -- use for global functions SYM_FUNC_START_NOALIGN -- use for global functions, w/o alignment SYM_FUNC_START_LOCAL -- use for local functions SYM_FUNC_START_LOCAL_NOALIGN -- use for local functions, w/o alignment SYM_FUNC_START_WEAK -- use for weak functions SYM_FUNC_START_WEAK_NOALIGN -- use for weak functions, w/o alignment SYM_FUNC_END -- the end of SYM_FUNC_START_LOCAL, SYM_FUNC_START, SYM_FUNC_START_WEAK, ... For functions with special (non-C) calling conventions: SYM_CODE_START -- use for non-C (special) functions SYM_CODE_START_NOALIGN -- use for non-C (special) functions, w/o alignment SYM_CODE_START_LOCAL -- use for local non-C (special) functions SYM_CODE_START_LOCAL_NOALIGN -- use for local non-C (special) functions, w/o alignment SYM_CODE_END -- the end of SYM_CODE_START_LOCAL or SYM_CODE_START d) For data SYM_DATA_START -- global data symbol SYM_DATA_START_LOCAL -- local data symbol SYM_DATA_END -- the end of the SYM_DATA_START symbol SYM_DATA_END_LABEL -- the labeled end of SYM_DATA_START symbol SYM_DATA -- start+end wrapper around simple global data SYM_DATA_LOCAL -- start+end wrapper around simple local data ========== The macros allow to pair starts and ends of functions and mark functions correctly in the output ELF objects. All users of the old macros in x86 are converted to use these in further patches. Signed-off-by:
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- 11 Oct, 2019 1 commit
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Jiri Slaby authored
During the assembly cleanup patchset review, I found more symbols which are used only locally. So make them really local by prepending ".L" to them. Namely: - wakeup_idt is used only in realmode/rm/wakeup_asm.S. - in_pm32 is used only in boot/pmjump.S. - retint_user is used only in entry/entry_64.S, perhaps since commit 2ec67971 ("x86/entry/64/compat: Remove most of the fast system call machinery"), where entry_64_compat's caller was removed. Drop GLOBAL from all of them too. I do not see more candidates in the series. Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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- 05 Oct, 2019 2 commits
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Jiri Slaby authored
As far as I can see, it was never used outside of head_32.S. Not even when added in 2004. So make it local. Signed-off-by:
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Jiri Slaby authored
Moving early_recursion_flag (4 bytes) after early_level4_pgt (4k) and early_dynamic_pgts (256k) saves 4k which are used for alignment of early_level4_pgt after early_recursion_flag. The real improvement is merely on the source code side. Previously it was: * __INITDATA + .balign * early_recursion_flag variable * a ton of CPP MACROS * __INITDATA (again) * early_top_pgt and early_recursion_flag variables * .data Now, it is a bit simpler: * a ton of CPP MACROS * __INITDATA + .balign * early_top_pgt and early_recursion_flag variables * early_recursion_flag variable * .data On the binary level the change looks like this: Before: (sections) 12 .init.data 00042000 0000000000000000 0000000000000000 00008000 2**12 (symbols) 000000 4 OBJECT GLOBAL DEFAULT 22 early_recursion_flag 001000 4096 OBJECT GLOBAL DEFAULT 22 early_top_pgt 002000 0x40000 OBJECT GLOBAL DEFAULT 22 early_dynamic_pgts After: (sections) 12 .init.data 00041004 0000000000000000 0000000000000000 00008000 2**12 (symbols) 000000 4096 OBJECT GLOBAL DEFAULT 22 early_top_pgt 001000 0x40000 OBJECT GLOBAL DEFAULT 22 early_dynamic_pgts 041000 4 OBJECT GLOBAL DEFAULT 22 early_recursion_flag So the resulting vmlinux is smaller by 4k with my toolchain as many other variables can be placed after early_recursion_flag to fill the rest of the page. Note that this is only .init data, so it is freed right after being booted anyway. Savings on-disk are none -- compression of zeros is easy, so the size of bzImage is the same pre and post the change. Signed-off-by:
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- 30 Sep, 2019 11 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs fixes from David Sterba: "A bunch of fixes that accumulated in recent weeks, mostly material for stable. Summary: - fix for regression from 5.3 that prevents to use balance convert with single profile - qgroup fixes: rescan race, accounting leak with multiple writers, potential leak after io failure recovery - fix for use after free in relocation (reported by KASAN) - other error handling fixups" * tag 'for-5.4-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: qgroup: Fix reserved data space leak if we have multiple reserve calls btrfs: qgroup: Fix the wrong target io_tree when freeing reserved data space btrfs: Fix a regression which we can't convert to SINGLE profile btrfs: relocation: fix use-after-free on dead relocation roots Btrfs: fix race setting up and completing qgroup rescan workers Btrfs: fix missing error return if writeback for extent buffer never started btrfs: adjust dirty_metadata_bytes after writeback failure of extent buffer Btrfs: fix selftests failure due to uninitialized i_mode in test inodes -
git://github.com/c-sky/csky-linuxLinus Torvalds authored
Pull csky updates from Guo Ren: "This round of csky subsystem just some fixups: - Fix mb() synchronization problem - Fix dma_alloc_coherent with PAGE_SO attribute - Fix cache_op failed when cross memory ZONEs - Optimize arch_sync_dma_for_cpu/device with dma_inv_range - Fix ioremap function losing - Fix arch_get_unmapped_area() implementation - Fix defer cache flush for 610 - Support kernel non-aligned access - Fix 610 vipt cache flush mechanism - Fix add zero_fp fixup perf backtrace panic - Move static keyword to the front of declaration - Fix csky_pmu.max_period assignment - Use generic free_initrd_mem() - entry: Remove unneeded need_resched() loop" * tag 'csky-for-linus-5.4-rc1' of git://github.com/c-sky/csky-linux: csky: Move static keyword to the front of declaration csky: entry: Remove unneeded need_resched() loop csky: Fixup csky_pmu.max_period assignment csky: Fixup add zero_fp fixup perf backtrace panic csky: Use generic free_initrd_mem() csky: Fixup 610 vipt cache flush mechanism csky: Support kernel non-aligned access csky: Fixup defer cache flush for 610 csky: Fixup arch_get_unmapped_area() implementation csky: Fixup ioremap function losing csky: Optimize arch_sync_dma_for_cpu/device with dma_inv_range csky/dma: Fixup cache_op failed when cross memory ZONEs csky: Fixup dma_alloc_coherent with PAGE_SO attribute csky: Fixup mb() synchronization problem
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "A few fixes that have trickled in through the merge window: - Video fixes for OMAP due to panel-dpi driver removal - Clock fixes for OMAP that broke no-idle quirks + nfsroot on DRA7 - Fixing arch version on ASpeed ast2500 - Two fixes for reset handling on ARM SCMI" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: aspeed: ast2500 is ARMv6K reset: reset-scmi: add missing handle initialisation firmware: arm_scmi: reset: fix reset_state assignment in scmi_domain_reset bus: ti-sysc: Remove unpaired sysc_clkdm_deny_idle() ARM: dts: logicpd-som-lv: Fix i2c2 and i2c3 Pin mux ARM: dts: am3517-evm: Fix missing video ARM: dts: logicpd-torpedo-baseboard: Fix missing video ARM: omap2plus_defconfig: Fix missing video bus: ti-sysc: Fix handling of invalid clocks bus: ti-sysc: Fix clock handling for no-idle quirks
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing fixes from Steven Rostedt: "A few more tracing fixes: - Fix a buffer overflow by checking nr_args correctly in probes - Fix a warning that is reported by clang - Fix a possible memory leak in error path of filter processing - Fix the selftest that checks for failures, but wasn't failing - Minor clean up on call site output of a memory trace event" * tag 'trace-v5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: selftests/ftrace: Fix same probe error test mm, tracing: Print symbol name for call_site in trace events tracing: Have error path in predicate_parse() free its allocated memory tracing: Fix clang -Wint-in-bool-context warnings in IF_ASSIGN macro tracing/probe: Fix to check the difference of nr_args before adding probe
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds authored
Pull more MMC updates from Ulf Hansson: "A couple more updates/fixes for MMC: - sdhci-pci: Add Genesys Logic GL975x support - sdhci-tegra: Recover loss in throughput for DMA - sdhci-of-esdhc: Fix DMA bug" * tag 'mmc-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: host: sdhci-pci: Add Genesys Logic GL975x support mmc: tegra: Implement ->set_dma_mask() mmc: sdhci: Let drivers define their DMA mask mmc: sdhci-of-esdhc: set DMA snooping based on DMA coherence mmc: sdhci: improve ADMA error reporting
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Krzysztof Wilczynski authored
Move the static keyword to the front of declaration of csky_pmu_of_device_ids, and resolve the following compiler warning that can be seen when building with warnings enabled (W=1): arch/csky/kernel/perf_event.c:1340:1: warning: ‘static’ is not at beginning of declaration [-Wold-style-declaration] Signed-off-by:
Krzysztof Wilczynski <kw@linux.com> Signed-off-by:
Guo Ren <guoren@kernel.org>
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Valentin Schneider authored
Since the enabling and disabling of IRQs within preempt_schedule_irq() is contained in a need_resched() loop, we don't need the outer arch code loop. Signed-off-by:
Valentin Schneider <valentin.schneider@arm.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull Documentation/process update from Greg KH: "Here are two small Documentation/process/embargoed-hardware-issues.rst file updates that missed my previous char/misc pull request. The first one adds an Intel representative for the process, and the second one cleans up the text a bit more when it comes to how the disclosure rules work, as it was a bit confusing to some companies" * tag 'char-misc-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: Documentation/process: Clarify disclosure rules Documentation/process: Volunteer as the ambassador for Intel
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull more vfs updates from Al Viro: "A couple of misc patches" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: afs dynroot: switch to simple_dir_operations fs/handle.c - fix up kerneldoc
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull more cifs updates from Steve French: "Fixes from the recent SMB3 Test events and Storage Developer Conference (held the last two weeks). Here are nine smb3 patches including an important patch for debugging traces with wireshark, with three patches marked for stable. Additional fixes from last week to better handle some newly discovered reparse points, and a fix the create/mkdir path for setting the mode more atomically (in SMB3 Create security descriptor context), and one for path name processing are still being tested so are not included here" * tag '5.4-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: CIFS: Fix oplock handling for SMB 2.1+ protocols smb3: missing ACL related flags smb3: pass mode bits into create calls smb3: Add missing reparse tags CIFS: fix max ea value size fs/cifs/sess.c: Remove set but not used variable 'capabilities' fs/cifs/smb2pdu.c: Make SMB2_notify_init static smb3: fix leak in "open on server" perf counter smb3: allow decryption keys to be dumped by admin for debugging
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