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perf/core: Allow kernel address filter when not filtering the kernel

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The so-called 'kernel' address filter can also be useful for filtering
fixed addresses in user space.  Allow that.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220131072453.2839535-6-adrian.hunter@intel.com
This commit is contained in:
Adrian Hunter 2022-01-31 09:24:53 +02:00 committed by Peter Zijlstra
parent e5524bf104
commit 58b2ff2c18
1 changed files with 0 additions and 2 deletions
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kernel/events/core.c
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@ -10515,8 +10515,6 @@ perf_event_parse_addr_filter(struct perf_event *event, char *fstr,
*/
if (state == IF_STATE_END) {
ret = -EINVAL;
if (kernel && event->attr.exclude_kernel)
goto fail;
/*
* ACTION "filter" must have a non-zero length region