diff options
| author | Kan Liang <kan.liang@linux.intel.com> | 2020-07-23 10:11:04 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-08-18 16:34:34 +0200 |
| commit | 75608cb02ea5dd997990e2998eca3670cb71a18c (patch) | |
| tree | 480c7c856a88379d9fda9be45461d81e3c9b02da /fs | |
| parent | 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff) | |
perf/x86: Use event_base_rdpmc for the RDPMC userspace support
The RDPMC index is always re-calculated for the RDPMC userspace support,
which is unnecessary.
The RDPMC index value is stored in the variable event_base_rdpmc for
the kernel usage, which can be used for RDPMC userspace support as well.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200723171117.9918-2-kan.liang@linux.intel.com
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions