3.16.61-rc1 review patch. If anyone has any objections, please let me know.
------------------ From: Dan Williams <dan.j.willi...@intel.com> commit be3233fbfcb8f5acb6e3bcd0895c3ef9e100d470 upstream. Allow the compiler to handle @size as an immediate value or memory directly rather than allocating a register. Reported-by: Linus Torvalds <torva...@linux-foundation.org> Signed-off-by: Dan Williams <dan.j.willi...@intel.com> Cc: Andy Lutomirski <l...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/151797010204.1289.1510000292250184993.st...@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Ingo Molnar <mi...@kernel.org> Signed-off-by: Ben Hutchings <b...@decadent.org.uk> --- arch/x86/include/asm/barrier.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -40,7 +40,7 @@ static inline unsigned long array_index_ asm ("cmp %1,%2; sbb %0,%0;" :"=r" (mask) - :"r"(size),"r" (index) + :"g"(size),"r" (index) :"cc"); return mask; }
