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[kvm-unit-tests,v2,1/3] x86: Fix operand size for lldt

Message ID 20211015195530.301237-2-jmattson@google.com (mailing list archive)
State New, archived
Headers show
Series Regression test for L1 LDTR persistence bug | expand

Commit Message

Jim Mattson Oct. 15, 2021, 7:55 p.m. UTC 
The lldt instruction takes an r/m16 operand.

Fixes: 7d36db351752 ("Initial commit from qemu-kvm.git kvm/test/")
Signed-off-by: Jim Mattson <jmattson@google.com>
---
 lib/x86/processor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/lib/x86/processor.h b/lib/x86/processor.h
index eaf24d491499..fe5add548261 100644
--- a/lib/x86/processor.h
+++ b/lib/x86/processor.h
@@ -443,7 +443,7 @@  static inline void sidt(struct descriptor_table_ptr *ptr)
     asm volatile ("sidt %0" : "=m"(*ptr));
 }
 
-static inline void lldt(unsigned val)
+static inline void lldt(u16 val)
 {
     asm volatile ("lldt %0" : : "rm"(val));
 }