diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-01 22:13:00 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-01 22:13:00 +0200 |
| commit | 69fc06f70f4569c9969f99fe25bdc9a6bb537b43 (patch) | |
| tree | b676e053da23cce02675c1f77c6fb0da23603d4d /arch/x86/include/asm/processor.h | |
| parent | Merge tag 'locking-core-2020-06-01' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| parent | objtool: Enable compilation of objtool for all architectures (diff) | |
| download | linux-69fc06f70f4569c9969f99fe25bdc9a6bb537b43.tar.xz linux-69fc06f70f4569c9969f99fe25bdc9a6bb537b43.zip | |
Merge tag 'objtool-core-2020-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
"There are a lot of objtool changes in this cycle, all across the map:
- Speed up objtool significantly, especially when there are large
number of sections
- Improve objtool's understanding of special instructions such as
IRET, to reduce the number of annotations required
- Implement 'noinstr' validation
- Do baby steps for non-x86 objtool use
- Simplify/fix retpoline decoding
- Add vmlinux validation
- Improve documentation
- Fix various bugs and apply smaller cleanups"
* tag 'objtool-core-2020-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (54 commits)
objtool: Enable compilation of objtool for all architectures
objtool: Move struct objtool_file into arch-independent header
objtool: Exit successfully when requesting help
objtool: Add check_kcov_mode() to the uaccess safelist
samples/ftrace: Fix asm function ELF annotations
objtool: optimize add_dead_ends for split sections
objtool: use gelf_getsymshndx to handle >64k sections
objtool: Allow no-op CFI ops in alternatives
x86/retpoline: Fix retpoline unwind
x86: Change {JMP,CALL}_NOSPEC argument
x86: Simplify retpoline declaration
x86/speculation: Change FILL_RETURN_BUFFER to work with objtool
objtool: Add support for intra-function calls
objtool: Move the IRET hack into the arch decoder
objtool: Remove INSN_STACK
objtool: Make handle_insn_ops() unconditional
objtool: Rework allocating stack_ops on decode
objtool: UNWIND_HINT_RET_OFFSET should not check registers
objtool: is_fentry_call() crashes if call has no destination
x86,smap: Fix smap_{save,restore}() alternatives
...
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index c4e8fd709cf6..29ee0c088009 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -728,7 +728,6 @@ static inline void sync_core(void) unsigned int tmp; asm volatile ( - UNWIND_HINT_SAVE "mov %%ss, %0\n\t" "pushq %q0\n\t" "pushq %%rsp\n\t" @@ -738,7 +737,6 @@ static inline void sync_core(void) "pushq %q0\n\t" "pushq $1f\n\t" "iretq\n\t" - UNWIND_HINT_RESTORE "1:" : "=&r" (tmp), ASM_CALL_CONSTRAINT : : "cc", "memory"); #endif |