On 7/10/2024 9:06 AM, Alexander Shishkin wrote:
diff --git a/arch/x86/include/asm/disabled-features.h b/arch/x86/include/asm/disabled-features.h
index c492bdc97b05..76c7d362af94 100644
--- a/arch/x86/include/asm/disabled-features.h
+++ b/arch/x86/include/asm/disabled-features.h
@@ -22,12 +22,14 @@
# define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31))
# define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31))
# define DISABLE_PCID 0
+# define DISABLE_LASS 0
#else
# define DISABLE_VME 0
# define DISABLE_K6_MTRR 0
# define DISABLE_CYRIX_ARR 0
# define DISABLE_CENTAUR_MCR 0
# define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31))
+# define DISABLE_LASS (1<<(X86_FEATURE_LASS & 31))
#endif /* CONFIG_X86_64 */
You don't need to add DISABLE_LASS, because you don't make the LASS code
optional at build time, i.e., you don't have CONFIG_X86_LASS.
#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
@@ -146,7 +148,7 @@
#define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \
DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK)
#define DISABLED_MASK12 (DISABLE_FRED|DISABLE_LAM)
-#define DISABLED_MASK13 0
+#define DISABLED_MASK13 (DISABLE_LASS)
The exact same mistake I made ;)
https://lore.kernel.org/lkml/aaed79d5-d683-d1bc-7ba1-b33c8d6db618@xxxxxxxx/
#define DISABLED_MASK14 0
#define DISABLED_MASK15 0
#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \
Xin
