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| author | Borislav Petkov <bp@suse.de> | 2018-09-04 11:22:12 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2018-09-21 14:28:37 +0200 |
| commit | 7401a633c34adc7aefd3edfec60074cb0475a3e8 (patch) | |
| tree | 8594f07b462f111de4153fe61bd376fc23a0e90e | |
| parent | 7876320f88802b22d4e2daf7eb027dd14175a0f8 (diff) | |
| download | linux-stable-7401a633c34adc7aefd3edfec60074cb0475a3e8.tar.gz linux-stable-7401a633c34adc7aefd3edfec60074cb0475a3e8.tar.bz2 linux-stable-7401a633c34adc7aefd3edfec60074cb0475a3e8.zip | |
x86/mce-inject: Reset injection struct after injection
Clear the MCE struct which is used for collecting the injection details
after injection.
Also, populate it with more details from the machine.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20180905081954.10391-1-bp@alien8.de
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce-inject.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c index c805a06e14c3..1fc424c40a31 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-inject.c +++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c @@ -108,6 +108,9 @@ static void setup_inj_struct(struct mce *m) memset(m, 0, sizeof(struct mce)); m->cpuvendor = boot_cpu_data.x86_vendor; + m->time = ktime_get_real_seconds(); + m->cpuid = cpuid_eax(1); + m->microcode = boot_cpu_data.microcode; } /* Update fake mce registers on current CPU. */ @@ -576,6 +579,9 @@ static int inj_bank_set(void *data, u64 val) m->bank = val; do_inject(); + /* Reset injection struct */ + setup_inj_struct(&i_mce); + return 0; } |