From 5aa4ecfd0ddb1e6dcd1c886e6c49677550f581aa Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 17 May 2014 11:28:05 -0700 Subject: [PATCH] sparc64: Add membar to Niagara2 memcpy code. This is the prevent previous stores from overlapping the block stores done by the memcpy loop. Based upon a glibc patch by Jose E. Marchesi Signed-off-by: David S. Miller --- arch/sparc/lib/NG2memcpy.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S index 2c20ad63ddbf..30eee6e8a81b 100644 --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -236,6 +236,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ */ VISEntryHalf + membar #Sync alignaddr %o1, %g0, %g0 add %o1, (64 - 1), %o4 -- 2.30.2