[xen staging] x86/emul: Adjust X86EMUL_OPC_EXT_MASK to placate MISRA

[patchbot@xxxxxxx]

commit 478002370cfb99d65731aedd78fbfa017c730ee7
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Apr 10 20:41:27 2024 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Apr 11 13:23:08 2024 +0100

    x86/emul: Adjust X86EMUL_OPC_EXT_MASK to placate MISRA
    
    Resolves 4740 MISRA R7.2 violations (of 4935, so 96% of them).
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/x86/x86_emulate/x86_emulate.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/x86_emulate/x86_emulate.h 
b/xen/arch/x86/x86_emulate/x86_emulate.h
index 698750267a..d92be69d84 100644
--- a/xen/arch/x86/x86_emulate/x86_emulate.h
+++ b/xen/arch/x86/x86_emulate/x86_emulate.h
@@ -620,7 +620,7 @@ struct x86_emulate_ctxt
  * below).
  * Hence no separate #define-s get added.
  */
-#define X86EMUL_OPC_EXT_MASK         0xffff0000
+#define X86EMUL_OPC_EXT_MASK         0xffff0000U
 #define X86EMUL_OPC(ext, byte)       ((uint8_t)(byte) | \
                                       MASK_INSR((ext), X86EMUL_OPC_EXT_MASK))
 /*
--
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