From: Avi Kivity <[EMAIL PROTECTED]>
Noticed by Uri Lublin
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index d238b30..2d4ac00 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -1692,10 +1692,8 @@ static int emulator_cmpxchg_emulated(unsigned long addr,
val = (u64 *)new;
page = gfn_to_page(page, gpa >> PAGE_SHIFT);
addr = kmap_atomic(page, KM_USER0);
- addr += offset_in_page(gpa);
-
- set_64bit((unsigned long long *)addr, val);
- kunmap_atomic(page, KM_USER0);
+ set_64bit((u64 *)(addr + offset_in_page(gpa), val);
+ kunmap_atomic(addr, KM_USER0);
kvm_release_page_dirty(page);
}
emul_write:
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