diff options
| author | Jeremy Fitzhardinge <[email protected]> | 2008-07-08 15:07:01 -0700 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2008-07-16 11:02:46 +0200 |
| commit | 952d1d7055c8cbf95b4ad2f90be5ed37db8a48ee (patch) | |
| tree | 8f3f3951c85aa3ecf8d450587990a4bbe348f7bf /tools/perf/scripts/python | |
| parent | 997409d3d0bd6894f33e31ced251c0fdf523aa14 (diff) | |
xen64: add pvop for swapgs
swapgs is a no-op under Xen, because the hypervisor makes sure the
right version of %gs is current when switching between user and kernel
modes. This means that the swapgs "implementation" can be inlined and
used when the stack is unsafe (usermode). Unfortunately, it means
that disabling patching will result in a non-booting kernel...
Signed-off-by: Jeremy Fitzhardinge <[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