X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmd%2Fraid6algos.c;h=21987e3dbe6c0ce4199fcc25f3e81506c337713f;hb=969907a956752f88dde4aa23fa8c033b9a939aee;hp=926576156578b399ecd82e914c38bab94ae9bdd3;hpb=c0bc8721b8d0380ec69fa97578c91201201b05a9;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c
index 92657615657..21987e3dbe6 100644
--- a/drivers/md/raid6algos.c
+++ b/drivers/md/raid6algos.c
@@ -52,7 +52,7 @@ const struct raid6_calls * const raid6_algos[] = {
 	&raid6_intx16,
 	&raid6_intx32,
 #endif
-#if defined(__i386__)
+#if defined(__i386__) && !defined(__arch_um__)
 	&raid6_mmxx1,
 	&raid6_mmxx2,
 	&raid6_sse1x1,
@@ -60,7 +60,7 @@ const struct raid6_calls * const raid6_algos[] = {
 	&raid6_sse2x1,
 	&raid6_sse2x2,
 #endif
-#if defined(__x86_64__)
+#if defined(__x86_64__) && !defined(__arch_um__)
 	&raid6_sse2x1,
 	&raid6_sse2x2,
 	&raid6_sse2x4,
@@ -121,7 +121,8 @@ int __init raid6_select_algo(void)
 			j0 = jiffies;
 			while ( (j1 = jiffies) == j0 )
 				cpu_relax();
-			while ( (jiffies-j1) < (1 << RAID6_TIME_JIFFIES_LG2) ) {
+			while (time_before(jiffies,
+					    j1 + (1<<RAID6_TIME_JIFFIES_LG2))) {
 				(*algo)->gen_syndrome(disks, PAGE_SIZE, dptrs);
 				perf++;
 			}