git: 071a785e912c - stable/15 - x86: directly use clflushopt mnemonic in cpufunc.h

The branch stable/15 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=071a785e912c9a53149bba27badecfca8acd642c

commit 071a785e912c9a53149bba27badecfca8acd642c
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-09-21 03:03:09 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-09-28 00:43:20 +0000

    x86: directly use clflushopt mnemonic in cpufunc.h
    
    (cherry picked from commit 5c55b2f3ba6f48575496bde2d4d86272d10a8197)
---
 sys/amd64/include/cpufunc.h | 2 +-
 sys/i386/include/cpufunc.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h
index d180f5c76afb..e6c9f47ea261 100644
--- a/sys/amd64/include/cpufunc.h
+++ b/sys/amd64/include/cpufunc.h
@@ -76,7 +76,7 @@ static __inline void
 clflushopt(u_long addr)
 {
 
-	__asm __volatile(".byte 0x66;clflush %0" : : "m" (*(char *)addr));
+	__asm __volatile("clflushopt %0" : : "m" (*(char *)addr));
 }
 
 static __inline void
diff --git a/sys/i386/include/cpufunc.h b/sys/i386/include/cpufunc.h
index 4bed57b5afbf..b200588b0739 100644
--- a/sys/i386/include/cpufunc.h
+++ b/sys/i386/include/cpufunc.h
@@ -74,7 +74,7 @@ static __inline void
 clflushopt(u_long addr)
 {
 
-	__asm __volatile(".byte 0x66;clflush %0" : : "m" (*(char *)addr));
+	__asm __volatile("clflushopt %0" : : "m" (*(char *)addr));
 }
 
 static __inline void