diff options
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 8019ba091a2a..2393901110c4 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -50,6 +50,8 @@ extern ssize_t cpu_show_spec_store_bypass(struct device *dev, struct device_attribute *attr, char *buf); extern ssize_t cpu_show_l1tf(struct device *dev, struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_mds(struct device *dev, + struct device_attribute *attr, char *buf); extern __printf(4, 5) struct device *cpu_device_create(struct device *parent, void *drvdata, @@ -294,6 +296,23 @@ bool cpu_wait_death(unsigned int cpu, int seconds); bool cpu_report_death(void); #endif /* #ifdef CONFIG_HOTPLUG_CPU */ +/* + * These are used for a global "mitigations=" cmdline option for toggling + * optional CPU mitigations. + */ +enum cpu_mitigations { + CPU_MITIGATIONS_OFF, + CPU_MITIGATIONS_AUTO, +}; + +extern enum cpu_mitigations cpu_mitigations; + +/* mitigations=off */ +static inline bool cpu_mitigations_off(void) +{ + return cpu_mitigations == CPU_MITIGATIONS_OFF; +} + #define IDLE_START 1 #define IDLE_END 2 |