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authorPeter Zijlstra <peterz@infradead.org>2009-12-15 19:43:11 +0100
committerIngo Molnar <mingo@elte.hu>2009-12-15 20:12:20 +0100
commitf13c12c634e124d5d31f912b969d542a016d6105 (patch)
treebbb5796189ba8c2755cc14880c2216862c2fc540 /kernel/perf_event.c
parentcdccc69003388665e1463003f0488cf8ce9cf9e8 (diff)
downloadop-kernel-dev-f13c12c634e124d5d31f912b969d542a016d6105.zip
op-kernel-dev-f13c12c634e124d5d31f912b969d542a016d6105.tar.gz
perf_events: Fix perf_event_attr layout
The miss-alignment of bp_addr created a 32bit hole, causing different structure packings on 32 and 64 bit machines. Fix that by moving __reserve_2 into that hole. Further, remove the useless struct and redundant __bp_reserve muck. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <1260902591.8023.781.camel@laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r--kernel/perf_event.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 8823b08..0dd8e5d 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4564,7 +4564,7 @@ static int perf_copy_attr(struct perf_event_attr __user *uattr,
if (attr->type >= PERF_TYPE_MAX)
return -EINVAL;
- if (attr->__reserved_1 || attr->__reserved_2 || attr->__reserved_3)
+ if (attr->__reserved_1 || attr->__reserved_2)
return -EINVAL;
if (attr->sample_type & ~(PERF_SAMPLE_MAX-1))
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