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KVM: Fix apic_mmio_write return for unaligned write

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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>
This commit is contained in:
Sheng Yang 2009-07-06 11:05:39 +08:00 committed by Avi Kivity
parent 70f93dae32
commit 756975bbfd
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kvm/lapic.c
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@ -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;