Messages in this thread Patch in this message | | | From | Michal Suchanek <> | Subject | [PATCH] powerpc/64s: Enhance the information in cpu_show_spectre_v1() | Date | Mon, 28 May 2018 15:19:14 +0200 |
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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"); } ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, char *buf) -- 2.13.6
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