diff options
| author | Don Zickus <[email protected]> | 2011-01-06 16:18:51 -0500 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2011-01-07 15:08:53 +0100 |
| commit | ab846f13f69fa64f8ed69ce0c3e239e075910d23 (patch) | |
| tree | 737dbe8e6c0fbbdef041cce46b040a606435121b /tools/perf/util/trace-event-scripting.c | |
| parent | c410b8307702c1e1f35be3fd868ad18e4ba0410f (diff) | |
x86, NMI: Allow NMI reason io port (0x61) to be processed on any CPU
In original NMI handler, NMI reason io port (0x61) is only processed
on BSP. This makes it impossible to hot-remove BSP. To solve the
issue, a raw spinlock is used to allow the port to be processed on any
CPU.
Originally-by: Huang Ying <[email protected]>
Signed-off-by: Don Zickus <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions