diff options
| author | Michal Suchanek <msuchanek@suse.de> | 2019-04-21 17:20:16 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-16 20:44:48 +0300 |
| commit | b6a4dce40cb7f2d85f3369089917d86604c9679a (patch) | |
| tree | aab2eae75e8c0ff421e88173d6832e66345bfc27 /arch/powerpc | |
| parent | 1110c3ad0b66409046e9bbe79029aeb2176b6036 (diff) | |
| download | linux-b6a4dce40cb7f2d85f3369089917d86604c9679a.tar.xz | |
powerpc/64s: Enhance the information in cpu_show_spectre_v1()
commit a377514519b9a20fa1ea9adddbb4129573129cef upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc')
| -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 ae15f53b23d7..202083daebfb 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -121,6 +121,9 @@ 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"); } |