From: Marcelo Tosatti <mtosa...@redhat.com> Necessary since memory region accessor assumes read and write methods are registered. Otherwise reading I/O port 0x7e segfaults.
https://bugzilla.redhat.com/show_bug.cgi?id=954306 Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com> Reviewed-by: Jan Kiszka <jan.kis...@siemens.com> Signed-off-by: Gleb Natapov <g...@redhat.com> --- hw/i386/kvmvapic.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c index 5b558aa..655483b 100644 --- a/hw/i386/kvmvapic.c +++ b/hw/i386/kvmvapic.c @@ -687,8 +687,14 @@ static void vapic_write(void *opaque, hwaddr addr, uint64_t data, } } +static uint64_t vapic_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0xffffffff; +} + static const MemoryRegionOps vapic_ops = { .write = vapic_write, + .read = vapic_read, .endianness = DEVICE_NATIVE_ENDIAN, }; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
