Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 08/46] KVM: Fix apic_mmio_write return for unaligned write | Date | Sun, 23 Aug 2009 14:56:07 +0300 |
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From: Sheng Yang <sheng@linux.intel.com>
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> --- 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 dc6bec2..31f1d1c 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -828,7 +828,7 @@ 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; -- 1.6.4.1
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