| commit | 63d3a75d6f1fcf2f33e6abbe84e1f428c3586152 | [log] [tgz] |
|---|---|---|
| author | Jeremy Fitzhardinge <jeremy@goop.org> | Tue Aug 19 13:19:36 2008 -0700 |
| committer | Ingo Molnar <mingo@elte.hu> | Wed Aug 20 12:40:07 2008 +0200 |
| tree | 3b7453c784b4fad0afe002942d48bfc876010999 | |
| parent | 6e833587e11ed0dbf12e647127f2650e2f80b26d [diff] |
x86/paravirt: add spin_lock_flags lock op It is useful for a pv_lock_ops backend to know whether interrupts are enabled or not in the context a spin_lock is being called. This allows it to enable interrupts while spinning, which could be particularly helpful when spinning becomes blocking. The default implementation just calls the normal spin_lock op, ignoring the flags. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>