diff options
| author | Michal Suchanek <msuchanek@suse.de> | 2018-05-28 15:19:14 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 20:43:46 +1000 |
| commit | a377514519b9a20fa1ea9adddbb4129573129cef (patch) | |
| tree | 272696f982026da170421068108c8d99960f0e37 /arch/powerpc/kernel/security.c | |
| parent | 51973a815c6b46d7b23b68d6af371ad1c9d503ca (diff) | |
powerpc/64s: Enhance the information in cpu_show_spectre_v1()
We now have barrier_nospec as mitigation so print it in
cpu_show_spectre_v1() when enabled.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/security.c')
| -rw-r--r-- | arch/powerpc/kernel/security.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index 06d5195f6729..3eb9c45f28d7 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -120,6 +120,9 @@ ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, c if (!security_ftr_enabled(SEC_FTR_BNDS_CHK_SPEC_BAR)) return sprintf(buf, "Not affected\n"); + if (barrier_nospec_enabled) + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); + return sprintf(buf, "Vulnerable\n"); } |