x86/entry/64: Use pop instead of movq in syscall_return_via_sysret

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Saves 64 bytes.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
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/6609b7f74ab31c36604ad746e019ea8495aec76c.1509609304.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Andy Lutomirski 2017-11-02 00:59:03 -07:00 • committed by Ingo Molnar

parent e53178328c

commit 4fbb39108f

1 changed files with 11 additions and 3 deletions

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arch/x86/entry/entry_64.S

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