diff options
| author |   H. Peter Anvin (Intel) <hpa@zytor.com> | 2023-12-05 02:49:56 -0800 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2024-01-25 19:10:30 +0100 |
| commit | e554a8ca49d6d6d782f546ae4d7f036946e7dd87 (patch) | |
| tree | e8cbf5ff8c576b3e2685c4011cb3a916c3b8fb8d /tools/arch | |
| parent | x86/cpufeatures: Add the CPU feature bit for FRED (diff) | |
| download | wireguard-linux-e554a8ca49d6d6d782f546ae4d7f036946e7dd87.tar.xz wireguard-linux-e554a8ca49d6d6d782f546ae4d7f036946e7dd87.zip | |
x86/fred: Disable FRED support if CONFIG_X86_FRED is disabled
Add CONFIG_X86_FRED to <asm/disabled-features.h> to make
cpu_feature_enabled() work correctly with FRED.
Originally-by: Megha Dey <megha.dey@intel.com>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Xin Li <xin3.li@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Shan Kang <shan.kang@intel.com>
Link: https://lore.kernel.org/r/20231205105030.8698-8-xin3.li@intel.com
Diffstat (limited to 'tools/arch')
| -rw-r--r-- | tools/arch/x86/include/asm/disabled-features.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h index 702d93fdd10e..f40b29d3abad 100644 --- a/tools/arch/x86/include/asm/disabled-features.h +++ b/tools/arch/x86/include/asm/disabled-features.h @@ -117,6 +117,12 @@ #define DISABLE_IBT (1 << (X86_FEATURE_IBT & 31)) #endif +#ifdef CONFIG_X86_FRED +# define DISABLE_FRED 0 +#else +# define DISABLE_FRED (1 << (X86_FEATURE_FRED & 31)) +#endif + /* * Make sure to add features to the correct mask */ @@ -133,7 +139,7 @@ #define DISABLED_MASK10 0 #define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \ DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK) -#define DISABLED_MASK12 (DISABLE_LAM) +#define DISABLED_MASK12 (DISABLE_FRED|DISABLE_LAM) #define DISABLED_MASK13 0 #define DISABLED_MASK14 0 #define DISABLED_MASK15 0 |