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| author | Peter Zijlstra <peterz@infradead.org> | 2019-03-01 17:24:33 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-04-03 10:36:29 +0300 |
| commit | 3693ca81151eacd498675baae56abede577e8b31 (patch) | |
| tree | 3a5a28311c024636af112d9d89dcdcb723ea960b /tools/perf/scripts/python/failed-syscalls-by-pid.py | |
| parent | 8f4faed01e3015955801c8ef066ec7fd7a8b3902 (diff) | |
| download | linux-3693ca81151eacd498675baae56abede577e8b31.tar.xz | |
x86/uaccess: Move copy_user_handle_tail() into asm
By writing the function in asm we avoid cross object code flow and
objtool no longer gets confused about a 'stray' CLAC.
Also; the asm version is actually _simpler_.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/failed-syscalls-by-pid.py')
0 files changed, 0 insertions, 0 deletions