| Message ID | 20190227010544.597579-3-jeremy.linton@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: add system vulnerability sysfs entries | expand |
On 27/02/2019 01:05, Jeremy Linton wrote: > From: Mian Yousaf Kaukab <ykaukab@suse.de> > > spectre v1, has been mitigated, and the mitigation is > always active. > > Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de> > Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> > --- > arch/arm64/kernel/cpu_errata.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c > index d2b2c69d31bb..ad58958becb6 100644 > --- a/arch/arm64/kernel/cpu_errata.c > +++ b/arch/arm64/kernel/cpu_errata.c > @@ -755,3 +755,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = { > { > } > }; > + > +ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, > + char *buf) > +{ > + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); > +} > minor nit: This could possibly have been in the cpufeature.c, where we keep the spectre_v2 routine. Either way, Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Hi, On 2/26/19 7:05 PM, Jeremy Linton wrote: > From: Mian Yousaf Kaukab <ykaukab@suse.de> > > spectre v1, has been mitigated, and the mitigation is > always active. > > Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de> > Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> > --- > arch/arm64/kernel/cpu_errata.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c > index d2b2c69d31bb..ad58958becb6 100644 > --- a/arch/arm64/kernel/cpu_errata.c > +++ b/arch/arm64/kernel/cpu_errata.c > @@ -755,3 +755,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = { > { > } > }; > + > +ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, > + char *buf) w/s issue, but it's not critical: Reviewed-by: Andre Przywara <andre.przywara@arm.com> Cheers, Andre > +{ > + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); > +} >
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index d2b2c69d31bb..ad58958becb6 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -755,3 +755,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = { { } }; + +ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); +}