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| author | Don Zickus <dzickus@redhat.com> | 2014-05-30 16:49:42 +0200 |
|---|---|---|
| committer | Jiri Olsa <jolsa@kernel.org> | 2014-06-09 13:34:46 +0200 |
| commit | a5a5ba72843dd05f991184d6cb9a4471acce1005 (patch) | |
| tree | de974e4ab2d80e120d76ce1bb0cce1b83aa87500 /kernel | |
| parent | perf tools: Update mmap2 interface with protection and flag bits (diff) | |
| download | linux-a5a5ba72843dd05f991184d6cb9a4471acce1005.tar.xz linux-a5a5ba72843dd05f991184d6cb9a4471acce1005.zip | |
Revert "perf: Disable PERF_RECORD_MMAP2 support"
This reverts commit 3090ffb5a2515990182f3f55b0688a7817325488.
Re-enable the mmap2 interface as we will have a user soon.
Since things have changed since perf disabled mmap2, small tweaks
to the revert had to be done:
o commit 9d4ecc88 forced (n!=8) to become (n<7)
o a new libunwind test needed updating to use mmap2 interface
Signed-off-by: Don Zickus <dzickus@redhat.com>
Link: http://lkml.kernel.org/r/1401461382-209586-1-git-send-email-dzickus@redhat.com
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index eea1955c7868..cd28335b3d28 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6929,10 +6929,6 @@ static int perf_copy_attr(struct perf_event_attr __user *uattr, if (ret) return -EFAULT; - /* disabled for now */ - if (attr->mmap2) - return -EINVAL; - if (attr->__reserved_1) return -EINVAL; |