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authorNadav Amit <namit@cs.technion.ac.il>2014-06-15 16:13:01 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2014-06-19 12:52:10 +0200
commita825f5cc4a8455663562809748240169cb9bc2c0 (patch)
tree17ea2adbf49880c35c630268b7eaa01dfe35bfed /arch/x86/include/asm/pgtable.h
parent140bad89fd25db1aab60f80ed7874e9a9bdbae3b (diff)
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KVM: x86: NOP emulation clears (incorrectly) the high 32-bits of RAX
On long-mode the current NOP (0x90) emulation still writes back to RAX. As a result, EAX is zero-extended and the high 32-bits of RAX are cleared. Signed-off-by: Nadav Amit <namit@cs.technion.ac.il> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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