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| author | Ingo Molnar <mingo@kernel.org> | 2018-06-26 09:02:41 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-06-26 09:02:41 +0200 |
| commit | f446474889c06883a3879faa0896e2359e812a6b (patch) | |
| tree | 95634685d56dd532d1e9b73fbd07ca389296911b /arch/x86/kernel/cpu/bugs.c | |
| parent | 01bdee64f9cf8e15f998bf52789ed9d0ebdfa621 (diff) | |
| parent | 6f0d349d922ba44e4348a17a78ea51b7135965b1 (diff) | |
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/bugs.c')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index cd0fda1fff6d..404df26b7de8 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -27,6 +27,7 @@ #include <asm/pgtable.h> #include <asm/set_memory.h> #include <asm/intel-family.h> +#include <asm/hypervisor.h> static void __init spectre_v2_select_mitigation(void); static void __init ssb_select_mitigation(void); @@ -664,6 +665,9 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr if (boot_cpu_has(X86_FEATURE_PTI)) return sprintf(buf, "Mitigation: PTI\n"); + if (hypervisor_is_type(X86_HYPER_XEN_PV)) + return sprintf(buf, "Unknown (XEN PV detected, hypervisor mitigation required)\n"); + break; case X86_BUG_SPECTRE_V1: |