From: Chen Yucong <slaoub@gmail.com>
To: Borislav Petkov <bp@alien8.de>
Cc: tony.luck@intel.com, linux-edac@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86, MCE, AMD: save IA32_MCi_STATUS before machine_check_poll() resets it
Date: Thu, 02 Oct 2014 22:37:12 +0800 [thread overview]
Message-ID: <1412260632.8045.15.camel@cyc> (raw)
In-Reply-To: <20141002131206.GA16452@pd.tnic>
On Thu, 2014-10-02 at 15:12 +0200, Borislav Petkov wrote:
>
> Ok, this return is still bugging me - we're logging the error which
> caused the counter overflow but we go and explicitly clear _STATUS so
> that machine_check_poll doesn't pick up the same error again.
>
> Even though, machine_check_poll is intended to log the thresholding
> error.
>
> Which actually makes me think that that machine_check_poll is actually
> completely useless there. IOW, how about that instead:
amd_threshold_interrup() is just used for logging threshold events. And
any 'valid' threshold events can be checked/logged in loop body.
Moreover, machine_check_poll() is unable to check additional MCx_MISCi.
So I agree with you on this change.
Thanks!
cyc
next prev parent reply other threads:[~2014-10-02 14:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-23 2:16 [PATCH] x86, MCE, AMD: use macros to compute bank MSRs Chen Yucong
2014-09-23 8:19 ` [PATCH] x86, MCE, AMD: save IA32_MCi_STATUS before machine_check_poll() resets it Chen Yucong
2014-09-28 8:15 ` Chen Yucong
2014-09-29 12:05 ` Borislav Petkov
2014-09-30 0:39 ` Chen Yucong
2014-09-30 7:25 ` Borislav Petkov
2014-09-30 9:56 ` Chen Yucong
2014-09-30 10:09 ` Borislav Petkov
2014-10-01 4:35 ` Chen Yucong
2014-10-02 13:12 ` Borislav Petkov
2014-10-02 14:37 ` Chen Yucong [this message]
[not found] ` <CAOjmkp9qQiTbqU3NUhUDAoQAa8wAPJnE_qXbDuBKrA3ee1_APQ@mail.gmail.com>
2014-10-08 21:52 ` Fwd: " Aravind Gopalakrishnan
2014-10-08 22:57 ` Borislav Petkov
2014-10-09 16:53 ` Aravind Gopalakrishnan
2014-10-09 17:35 ` Borislav Petkov
2014-10-09 19:01 ` Aravind Gopalakrishnan
2014-10-21 20:28 ` Borislav Petkov
2014-10-22 1:51 ` Chen Yucong
2014-10-22 8:16 ` Borislav Petkov
2014-10-22 8:53 ` Chen Yucong
2014-10-22 9:30 ` Borislav Petkov
2014-10-29 15:59 ` Aravind Gopalakrishnan
2014-10-30 19:04 ` Aravind Gopalakrishnan
2014-10-30 21:39 ` Borislav Petkov
2014-10-01 5:26 ` Chen Yucong
2014-10-01 10:10 ` Borislav Petkov
2014-09-28 8:09 ` [PATCH] x86, MCE, AMD: use macros to compute bank MSRs Chen Yucong
2014-09-29 11:48 ` Borislav Petkov
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