diff options
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 7 | ||||
| -rw-r--r-- | sys/i386/include/cpufunc.h | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index 94d4133..881fcd2 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -290,6 +290,13 @@ popcntq(u_long mask) } static __inline void +lfence(void) +{ + + __asm __volatile("lfence" : : : "memory"); +} + +static __inline void mfence(void) { diff --git a/sys/i386/include/cpufunc.h b/sys/i386/include/cpufunc.h index 62d268d..7cd3663 100644 --- a/sys/i386/include/cpufunc.h +++ b/sys/i386/include/cpufunc.h @@ -155,6 +155,13 @@ cpu_mwait(u_long extensions, u_int hints) } static __inline void +lfence(void) +{ + + __asm __volatile("lfence" : : : "memory"); +} + +static __inline void mfence(void) { |
