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authorAndy Lutomirski <luto@kernel.org>2018-10-04 02:23:49 +0300
committerIngo Molnar <mingo@kernel.org>2018-10-04 09:17:50 +0300
commit02e425668f5c9deb42787d10001a3b605993ad15 (patch)
tree4694f40f6acceb4c1715cc8b9e1b08ee19eaf014 /include
parent88296bd42b4e9d24e138a68b337c235b5cac89a7 (diff)
downloadlinux-02e425668f5c9deb42787d10001a3b605993ad15.tar.xz
x86/vdso: Fix vDSO syscall fallback asm constraint regression
When I added the missing memory outputs, I failed to update the index of the first argument (ebx) on 32-bit builds, which broke the fallbacks. Somehow I must have screwed up my testing or gotten lucky. Add another test to cover gettimeofday() as well. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Fixes: 715bd9d12f84 ("x86/vdso: Fix asm constraints on vDSO syscall fallbacks") Link: http://lkml.kernel.org/r/21bd45ab04b6d838278fa5bebfa9163eceffa13c.1538608971.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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