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[Qemu-devel] [uq/master PATCH] kvmvapic: add ioport read accessor
From: |
Marcelo Tosatti |
Subject: |
[Qemu-devel] [uq/master PATCH] kvmvapic: add ioport read accessor |
Date: |
Sun, 5 May 2013 17:51:49 -0300 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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 <address@hidden>
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,
};
- [Qemu-devel] [uq/master PATCH] kvmvapic: add ioport read accessor,
Marcelo Tosatti <=