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From: "Luck, Tony" <tony.luck@intel.com>
To: Borislav Petkov <bp@alien8.de>, Jue Wang <juew@google.com>
Cc: "x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"patches@lists.linux.dev" <patches@lists.linux.dev>
Subject: RE: [PATCH v2] x86/mce: work around an erratum on fast string copy instructions.
Date: Fri, 18 Feb 2022 17:58:42 +0000	[thread overview]
Message-ID: <dca14efd34294fe1b58d21a230fe6f11@intel.com> (raw)
In-Reply-To: <Yg+2Hc78nfSRmh/j@zn.tnic>

> Also, Tony, I think the clearing of MCG_STATUS should happen last.

Yes. There's a race if another #MC comes in after MCIP is cleared, but before we get
off the machine check stack. Should make that window as small as possible.

-Tony

  parent reply	other threads:[~2022-02-18 17:58 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-07  4:36 [RFC] x86/mce: Add workaround for SKX/CLX/CPX spurious machine checks Jue Wang
2022-02-07 18:23 ` Luck, Tony
2022-02-07 18:52 ` Borislav Petkov
2022-02-07 19:24   ` Luck, Tony
2022-02-07 20:27     ` Borislav Petkov
2022-02-07 21:07       ` Luck, Tony
2022-02-07 21:20         ` Borislav Petkov
2022-02-07 21:51           ` Luck, Tony
2022-02-08 15:04             ` Jue Wang
2022-02-08 15:09               ` [PATCH] " Jue Wang
2022-02-11 20:08                 ` Jue Wang
2022-02-11 20:18                   ` Borislav Petkov
2022-02-11 20:23                     ` Jue Wang
2022-02-15 18:42                 ` Luck, Tony
2022-02-15 22:08                 ` Borislav Petkov
2022-02-15 22:22                   ` Luck, Tony
2022-02-16 10:28                     ` Borislav Petkov
2022-02-16 15:50                       ` Jue Wang
2022-02-16 18:02                         ` Borislav Petkov
2022-02-16 18:41                           ` Luck, Tony
2022-02-16 18:52                             ` Borislav Petkov
2022-02-16 18:58                               ` Luck, Tony
2022-02-16 18:59                                 ` Jue Wang
2022-02-16 21:53                                   ` [PATCH] x86/mce: work around an erratum on fast string copy instructions Jue Wang
2022-02-17 16:30                                     ` Borislav Petkov
2022-02-17 16:32                                       ` Borislav Petkov
2022-02-18  1:32                                         ` [PATCH v2] " Jue Wang
2022-02-18 15:07                                           ` Borislav Petkov
2022-02-18 16:03                                             ` Jue Wang
2022-02-18 16:14                                               ` Borislav Petkov
2022-02-18 16:21                                                 ` Jue Wang
2022-02-18 17:16                                                   ` Borislav Petkov
2022-02-18 17:39                                                     ` Jue Wang
     [not found]                                                     ` <CAPcxDJ7=hCz6KRih4OBVv-k8WLcBL4n+VSpeP_zky7Uunq89zg@mail.gmail.com>
2022-02-18 22:05                                                       ` Borislav Petkov
2022-02-18 22:38                                                         ` Luck, Tony
2022-02-18 22:58                                                           ` Borislav Petkov
2022-02-18 17:58                                             ` Luck, Tony [this message]
2022-02-16  5:40                   ` [PATCH] x86/mce: Add workaround for SKX/CLX/CPX spurious machine checks Jue Wang
2022-02-16  5:56                     ` [PATCH] x86/mce: work around an erratum on fast string copy instructions Jue Wang
2022-02-16  9:04                       ` David Laight
2022-02-16 15:33                         ` Jue Wang

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