From: Borislav Petkov <bp@alien8.de> To: linux-edac <linux-edac@vger.kernel.org> Cc: Tony Luck <tony.luck@intel.com>, Yazen Ghannam <Yazen.Ghannam@amd.com>, LKML <linux-kernel@vger.kernel.org> Subject: [PATCH] x86/mce-inject: Reset struct after injection Date: Wed, 5 Sep 2018 10:19:54 +0200 [thread overview] Message-ID: <20180905081954.10391-1-bp@alien8.de> (raw) From: Borislav Petkov <bp@suse.de> 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> --- 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 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; } -- 2.17.0.582.gccdcbd54c
WARNING: multiple messages have this Message-ID (diff)
From: Borislav Petkov <bp@alien8.de> To: linux-edac <linux-edac@vger.kernel.org> Cc: Tony Luck <tony.luck@intel.com>, Yazen Ghannam <Yazen.Ghannam@amd.com>, LKML <linux-kernel@vger.kernel.org> Subject: x86/mce-inject: Reset struct after injection Date: Wed, 5 Sep 2018 10:19:54 +0200 [thread overview] Message-ID: <20180905081954.10391-1-bp@alien8.de> (raw) From: Borislav Petkov <bp@suse.de> 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> --- 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 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; }
next reply other threads:[~2018-09-05 8:20 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-09-05 8:19 Borislav Petkov [this message] 2018-09-05 8:19 ` x86/mce-inject: Reset struct after injection Borislav Petkov 2018-09-21 12:33 ` [tip:ras/core] x86/mce-inject: Reset injection " tip-bot for Borislav Petkov
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