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kvmvapic: add ioport read accessor 

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 <mtosatti@redhat.com>
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
This commit is contained in:
Marcelo Tosatti 2013-05-05 17:51:49 -03:00 committed by Gleb Natapov
parent 467b34689d
commit 0c1cd0ae2a
1 changed files with 6 additions and 0 deletions
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6
hw/i386/kvmvapic.c
View File

@ -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,
};