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| author |   David S. Miller <davem@davemloft.net> | 2018-05-26 19:46:15 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-05-26 19:46:15 -0400 |
| commit | 5b79c2af667c0e2684f2a6dbf6439074b78f490c (patch) | |
| tree | efda2b94317c914fef0bfb25fe5ada9e253d5415 /fs/proc | |
| parent | net: dsa: dsa_loop: Make dynamic debugging helpful (diff) | |
| parent | Merge branch 'akpm' (patches from Andrew) (diff) | |
| download | linux-dev-5b79c2af667c0e2684f2a6dbf6439074b78f490c.tar.xz linux-dev-5b79c2af667c0e2684f2a6dbf6439074b78f490c.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Lots of easy overlapping changes in the confict
resolutions here.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/array.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index ae2c807fd719..72391b3f6927 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -85,6 +85,7 @@ #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> @@ -335,6 +336,30 @@ static inline void task_seccomp(struct seq_file *m, struct task_struct *p) #ifdef CONFIG_SECCOMP seq_put_decimal_ull(m, "\nSeccomp:\t", 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'); } |