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| author | Sheng Yang <sheng@linux.intel.com> | 2009-07-06 11:05:39 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:08 +0300 |
| commit | 756975bbfd185169aac19f227d65a8d738a5f5f8 (patch) | |
| tree | c26de774f20b4fad0db83f2227c215774cf3b915 /arch/x86/kvm/lapic.c | |
| parent | 70f93dae32aca8b3b7da66891aecd3ee0ee48060 (diff) | |
| download | blackbird-op-linux-756975bbfd185169aac19f227d65a8d738a5f5f8.tar.gz blackbird-op-linux-756975bbfd185169aac19f227d65a8d738a5f5f8.zip | |
KVM: Fix apic_mmio_write return for unaligned write
Some in-famous OS do unaligned writing for APIC MMIO, and the return value
has been missed in recent change, then the OS hangs.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 683345a121b7..6c8460308548 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -834,7 +834,7 @@ static int apic_mmio_write(struct kvm_io_device *this, if (len != 4 || (offset & 0xf)) { /* Don't shout loud, $infamous_os would cause only noise. */ apic_debug("apic write: bad size=%d %lx\n", len, (long)address); - return; + return 0; } val = *(u32*)data; |
