forked from ~ljy/RK356X_SDK_RELEASE

hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e
kernel/arch/x86/include/asm/barrier.h
....@@ -49,8 +49,7 @@
4949 #define array_index_mask_nospec array_index_mask_nospec
5050
5151 /* Prevent speculative execution past this barrier. */
52
-#define barrier_nospec() alternative_2("", "mfence", X86_FEATURE_MFENCE_RDTSC, \
53
- "lfence", X86_FEATURE_LFENCE_RDTSC)
52
+#define barrier_nospec() alternative("", "lfence", X86_FEATURE_LFENCE_RDTSC)
5453
5554 #define dma_rmb() barrier()
5655 #define dma_wmb() barrier()