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Message-Id: <20191110024541.31567-39-sashal@kernel.org> Date: Sat, 9 Nov 2019 21:44:31 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Borislav Petkov <bp@...e.de>, Sasha Levin <sashal@...nel.org> Subject: [PATCH AUTOSEL 4.14 039/109] x86/mce-inject: Reset injection struct after injection From: Borislav Petkov <bp@...e.de> [ Upstream commit 7401a633c34adc7aefd3edfec60074cb0475a3e8 ] 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@...e.de> Link: https://lkml.kernel.org/r/20180905081954.10391-1-bp@alien8.de Signed-off-by: Sasha Levin <sashal@...nel.org> --- arch/x86/kernel/cpu/mcheck/mce-inject.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c index 8fec687b3e44e..f12141ba9a76d 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; } -- 2.20.1
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