linux-kernel - [RFC PATCH 2/3] x86/RAS: Add TSC to the injected MCE

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Date:   Tue,  1 Nov 2016 13:09:10 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Tony Luck <tony.luck@...el.com>
Cc:     linux-edac <linux-edac@...r.kernel.org>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH 2/3] x86/RAS: Add TSC to the injected MCE

From: Borislav Petkov <bp@...e.de>

Add the TSC at the time of injection.

Signed-off-by: Borislav Petkov <bp@...e.de>
---
 arch/x86/ras/mce_amd_inj.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/ras/mce_amd_inj.c b/arch/x86/ras/mce_amd_inj.c
index 1ac76479c266..8730c2882fff 100644
--- a/arch/x86/ras/mce_amd_inj.c
+++ b/arch/x86/ras/mce_amd_inj.c
@@ -275,6 +275,8 @@ static void do_inject(void)
 	unsigned int cpu = i_mce.extcpu;
 	u8 b = i_mce.bank;
 
+	rdtscll(i_mce.tsc);
+
 	if (i_mce.misc)
 		i_mce.status |= MCI_STATUS_MISCV;
 
-- 
2.10.0