| Message ID | 20190125180711.1970973-7-jeremy.linton@arm.com |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: add system vulnerability sysfs entries | expand |
On Fri, 25 Jan 2019 12:07:05 -0600 Jeremy Linton <jeremy.linton@arm.com> wrote: Hi, > 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 | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c > index de09a3537cd4..ef636acf5604 100644 > --- a/arch/arm64/kernel/cpu_errata.c > +++ b/arch/arm64/kernel/cpu_errata.c > @@ -730,3 +730,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = { > { > } > }; > + > +#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES > + > +ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, > + char *buf) w/s issue. Other than that: Reviewed-by: Andre Przywara <andre.przywara@arm.com> Cheers, Andre. > +{ > + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); > +} > + > +#endif
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index de09a3537cd4..ef636acf5604 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -730,3 +730,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = { { } }; + +#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES + +ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); +} + +#endif