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(parent: 178e834) | patch
x86/asm: Clobber flags in clear_page()
authorAlexey Dobriyan <adobriyan@gmail.com>
Sat, 13 Jan 2018 18:50:48 +0000 (21:50 +0300)
committerIngo Molnar <mingo@kernel.org>
Tue, 13 Feb 2018 16:36:49 +0000 (17:36 +0100)
commit1acdbf7ea8a80706561013346d281d282a3c00f9
treef74d3200b821ff3ca80513078239c3f11193391btree | snapshot
parent178e834c47b0d01352c48730235aae69898fbc02commit | diff
x86/asm: Clobber flags in clear_page()

All clear_page() implementations use XOR which resets flags.

Judging by allyesconfig disassembly no code is affected.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180113185048.GA23111@avx2
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/include/asm/page_64.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git