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| author | Mark Brown <broonie@kernel.org> | 2018-07-25 17:35:56 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-07-25 17:35:56 +0100 |
| commit | 67b16c801606b467d11ca33838f305a6b4180f3b (patch) | |
| tree | 4e8f4e1b58d8c2066b5910e01f2a392741e772cd /fs/proc/array.c | |
| parent | a8f8523d853f8705cd3b7e74f0497860d5381991 (diff) | |
| parent | 606b3effb9ce2ab6f67eeecace381c701d411ecf (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-rtlsk-v4.4-18.07-rt
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index b6c00ce0e29e..cb71cbae606d 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -79,6 +79,7 @@ #include <linux/delayacct.h> #include <linux/seq_file.h> #include <linux/pid_namespace.h> +#include <linux/prctl.h> #include <linux/ptrace.h> #include <linux/tracehook.h> #include <linux/string_helpers.h> @@ -332,6 +333,31 @@ static inline void task_seccomp(struct seq_file *m, struct task_struct *p) #ifdef CONFIG_SECCOMP seq_printf(m, "Seccomp:\t%d\n", p->seccomp.mode); #endif + seq_printf(m, "\nSpeculation_Store_Bypass:\t"); + switch (arch_prctl_spec_ctrl_get(p, PR_SPEC_STORE_BYPASS)) { + case -EINVAL: + seq_printf(m, "unknown"); + break; + case PR_SPEC_NOT_AFFECTED: + seq_printf(m, "not vulnerable"); + break; + case PR_SPEC_PRCTL | PR_SPEC_FORCE_DISABLE: + seq_printf(m, "thread force mitigated"); + break; + case PR_SPEC_PRCTL | PR_SPEC_DISABLE: + seq_printf(m, "thread mitigated"); + break; + case PR_SPEC_PRCTL | PR_SPEC_ENABLE: + seq_printf(m, "thread vulnerable"); + break; + case PR_SPEC_DISABLE: + seq_printf(m, "globally mitigated"); + break; + default: + seq_printf(m, "vulnerable"); + break; + } + seq_putc(m, '\n'); } static inline void task_context_switch_counts(struct seq_file *m, |