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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-27 13:20:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-27 13:20:47 -0700 |
| commit | fb8c7fb25d7d754a992481e9f763ec0b5889c4d9 (patch) | |
| tree | d43cd30836988e263ddeecd54a6c74e9ac03aad2 /arch/x86/xen/xen-asm.S | |
| parent | 074fcab574a36edec35d2e74955250f2e17d6000 (diff) | |
| parent | 2e8fe719b57bbdc9e313daed1204bb55fed3ed44 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
xen: fix UP setup of shared_info
xen: fix RMW when unmasking events
x86, documentation: nmi_watchdog=2 works on x86_64
x86: stricter check in follow_huge_addr()
rdc321x: GPIO routines bugfixes
x86: ptrace.c: fix defined-but-unused warnings
x86: fix prefetch workaround
Diffstat (limited to 'arch/x86/xen/xen-asm.S')
| -rw-r--r-- | arch/x86/xen/xen-asm.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S index 1a43b60c0c6..6b7190449d0 100644 --- a/arch/x86/xen/xen-asm.S +++ b/arch/x86/xen/xen-asm.S @@ -33,12 +33,17 @@ events, then enter the hypervisor to get them handled. */ ENTRY(xen_irq_enable_direct) - /* Clear mask and test pending */ - andw $0x00ff, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_pending + /* Unmask events */ + movb $0, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask + /* Preempt here doesn't matter because that will deal with any pending interrupts. The pending check may end up being run on the wrong CPU, but that doesn't hurt. */ + + /* Test for pending */ + testb $0xff, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_pending jz 1f + 2: call check_events 1: ENDPATCH(xen_irq_enable_direct) |