ia64/xen-unstable
view .hg-to-bk @ 18665:824892134573
vmx: avoid taking locks with irqs disabled
Shuffle the bits of the vmexit handler that run with EFLAGS.IF == 0 up
to the top. Otherwise we end up calling spin_lock() with interrupts
disabled, which can deadlock against the time-synchronization
rendezvous code.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Shuffle the bits of the vmexit handler that run with EFLAGS.IF == 0 up
to the top. Otherwise we end up calling spin_lock() with interrupts
disabled, which can deadlock against the time-synchronization
rendezvous code.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
| author | Keir Fraser <keir.fraser@citrix.com> |
|---|---|
| date | Mon Oct 20 15:31:54 2008 +0100 (2008-10-20) |
| parents | f3123052268f |
| children | c6c0f98bf7d3 ba107a7380bc |