diff options
| author | Michal Suchanek <msuchanek@suse.de> | 2019-04-11 21:46:04 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-17 08:36:40 +0200 |
| commit | f7493c9818df017a945621ea9b57ae54801fb9b7 (patch) | |
| tree | c33861385effa1d9fa18f2a144601a3c77ed75eb /arch/powerpc | |
| parent | 86dfa514c79cf1779a932256e78ce3e055ee58b0 (diff) | |
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: Sasha Levin <sashal@kernel.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 d0e974da4918..f189f946d935 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"); } |