The patch titled frv: ip_fast_csum() requires a memory clobber on its inline asm has been removed from the -mm tree. Its filename was frv-ip_fast_csum-requires-a-memory-clobber-on-its-inline-asm.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: frv: ip_fast_csum() requires a memory clobber on its inline asm From: David Howells <dhowells@xxxxxxxxxx> ip_fast_csum() requires a memory clobber on its inline asm as it accesses memory in a fashion that gcc can't predict. The GCC manual says: If your assembler instructions access memory in an unpredictable fashion, add `memory' to the list of clobbered registers. This will cause GCC to not keep memory values cached in registers across the assembler instruction and not optimize stores or loads to that memory. The bug hasn't been noticed in FRV, but it has been seen in PA-RISC. Signed-off-by: David Howells <dhowells@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/asm-frv/checksum.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN include/asm-frv/checksum.h~frv-ip_fast_csum-requires-a-memory-clobber-on-its-inline-asm include/asm-frv/checksum.h --- a/include/asm-frv/checksum.h~frv-ip_fast_csum-requires-a-memory-clobber-on-its-inline-asm +++ a/include/asm-frv/checksum.h @@ -75,7 +75,7 @@ __sum16 ip_fast_csum(const void *iph, un : "=r" (sum), "=r" (iph), "=r" (ihl), "=r" (inc), "=&r"(tmp) : "0" (sum), "1" (iph), "2" (ihl), "3" (4), "m"(*(volatile struct { int _[100]; } *)iph) - : "icc0", "icc1" + : "icc0", "icc1", "memory" ); return (__force __sum16)~sum; _ Patches currently in -mm which might be from dhowells@xxxxxxxxxx are origin.patch linux-next.patch git-unionfs.patch frv-use-the-common-ascii-hex-helpers.patch mn10300-use-the-common-ascii-hex-helpers.patch mutex-subsystem-synchro-test-module.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html