diff options
author | Jack Steiner <steiner@sgi.com> | 2006-01-24 17:32:11 -0500 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2006-01-24 17:39:50 -0500 |
commit | 79c83bd15af3b06079a9205db9c64c92ca1bd868 (patch) | |
tree | a3f00aa68d7a203154bafe711b2371cc1b76cb73 /arch | |
parent | dc64161343015162a3fabfcd20b9b84409af67d5 (diff) |
[IA64] Scaling fix for simultaneous unaligned accesses
Eliminate a hot shared cacheline that occurs if multiple cpus are
taking unaligned exceptions.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/ia64/kernel/unaligned.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 43b45b65ee5a..f9e0ae936d1a 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c | |||
@@ -1283,8 +1283,9 @@ within_logging_rate_limit (void) | |||
1283 | 1283 | ||
1284 | if (jiffies - last_time > 5*HZ) | 1284 | if (jiffies - last_time > 5*HZ) |
1285 | count = 0; | 1285 | count = 0; |
1286 | if (++count < 5) { | 1286 | if (count < 5) { |
1287 | last_time = jiffies; | 1287 | last_time = jiffies; |
1288 | count++; | ||
1288 | return 1; | 1289 | return 1; |
1289 | } | 1290 | } |
1290 | return 0; | 1291 | return 0; |