Commit 0ed149cf authored by David Miller's avatar David Miller Committed by Arnaldo Carvalho de Melo

perf cpu_map: Align cpu map synthesized events properly.

The size of the resulting cpu map can be smaller than a multiple of
sizeof(u64), resulting in SIGBUS on cpus like Sparc as the next event
will not be aligned properly.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Fixes: 6c872901 ("perf cpu_map: Add cpu_map event synthesize function")
Link: http://lkml.kernel.org/r/20181011.224655.716771175766946817.davem@davemloft.netSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent c458a620
...@@ -1081,6 +1081,7 @@ void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max ...@@ -1081,6 +1081,7 @@ void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max
} }
*size += sizeof(struct cpu_map_data); *size += sizeof(struct cpu_map_data);
*size = PERF_ALIGN(*size, sizeof(u64));
return zalloc(*size); return zalloc(*size);
} }
......
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