[PATCH RESEND 3/6] arm64: add sysfs vulnerability show for spectre v1

From: Mian Yousaf Kaukab
Date: Mon Aug 27 2018 - 10:34:09 EST


Hard-coded since patches are merged and there are no configuration
options.

Signed-off-by: Mian Yousaf Kaukab <ykaukab@xxxxxxx>
---
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 996edb4e18ad..92616431ae4e 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -706,4 +706,10 @@ ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "Vulnerable\n");
}

+ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "Mitigation: __user pointer sanitization\n");
+}
+
#endif
--
2.11.0