diff options
| author | Jeremy Fitzhardinge <[email protected]> | 2008-06-25 00:18:59 -0400 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2008-07-08 13:10:24 +0200 |
| commit | af2b1c609ff52b6469d8e67696db98c93c348b0e (patch) | |
| tree | 794e4ebf8a9ed524cfbd01bc9e7f80fd110d3c2c /tools/perf/scripts/python | |
| parent | d338c73c39a6ed0d07fe3bb07c7f12fff0dd237d (diff) | |
x86: add memory barriers to wrmsr
wrmsr is a special instruction which can have arbitrary system-wide
effects. We don't want the compiler to reorder it with respect to
memory operations, so make it a memory barrier.
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
Cc: xen-devel <[email protected]>
Cc: Stephen Tweedie <[email protected]>
Cc: Eduardo Habkost <[email protected]>
Cc: Mark McLoughlin <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions