Messages in this thread | | | Subject | Re: [PATCH] powerpc/64s: Enhance the information in cpu_show_spectre_v1() | From | Christophe LEROY <> | Date | Tue, 29 May 2018 16:13:49 +0200 |
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Le 28/05/2018 à 15:19, Michal Suchanek a écrit : > 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> > --- > arch/powerpc/kernel/security.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c > index 0239383c7e4d..a0c32d53980b 100644 > --- a/arch/powerpc/kernel/security.c > +++ b/arch/powerpc/kernel/security.c > @@ -120,7 +120,10 @@ 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"); > > - return sprintf(buf, "Vulnerable\n"); > + if (barrier_nospec_enabled)
> + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); > + else > + return sprintf(buf, "Vulnerable\n");
Checkpatch would tell you that an else is unneeded after a return. So just leave it as it was before.
Christophe
> } > > ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, char *buf) >
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