Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1736774

Re: [PATCH V3] acpi: apei: clear error status before acknowledging the error

Path csiph.com!news.mixmin.net!news.unit0.net!news.panservice.it!bofh.it!news.nic.it!robomod
From Tyler Baicar <tbaicar@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH V3] acpi: apei: clear error status before acknowledging the error
Date Thu, 21 Sep 2017 17:30:02 +0200
Message-ID <usbAm-2Ne-15@gated-at.bofh.it> (permalink)
References <ujvyj-80q-21@gated-at.bofh.it> <ujJUC-bY-17@gated-at.bofh.it> <uph9g-aN-13@gated-at.bofh.it>
X-Original-To rjw@rjwysocki.net
Dkim-Signature v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1506007635; bh=CjN6W2bgY5h+zBnncivbCk7fmu5ZJzuRcwl1SXo2LTw=; h=Subject:From:To:Cc:References:Date:In-Reply-To:From; b=LqFrya1lU43pdHnwHKJNGQvrtTqpEUiPbEPIUvVOS5O3asphnJfDCFQuool843pXv dY7XvLLCKP+KzMa/ynv0axfAs/PCHlEm6y3W/XFgcwZnHRJSugwJlpuXVVD+qeQtj9 pMe/P7Nt5TCOIPJJVqx6HTLdGuguvJXnbD3Ef5a8=
Dkim-Signature v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1506007634; bh=CjN6W2bgY5h+zBnncivbCk7fmu5ZJzuRcwl1SXo2LTw=; h=Subject:From:To:Cc:References:Date:In-Reply-To:From; b=VX45V5Udndwysgmqp7eijR45yqH4Dz8hKduCIpMBSWveENFKukzgi79AyW/Xljpif iJV2QnR9N2XIqz16e3+VuEDn87Lqgfmf+hgnfOl9CMsR9FV7bBAmXZ+IWzJeoA06zw LOs8hNCkMSZKE1OxcXLHue7sdxtJn+GUmmdlUIII=
Dmarc-Filter OpenDMARC Filter v1.3.2 smtp.codeaurora.org A781C60350
Authentication-Results pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org
Authentication-Results pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=tbaicar@codeaurora.org
User-Agent Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0
MIME-Version 1.0
Content-Type text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding 8bit
Content-Language en-US
Sender robomod@news.nic.it
List-ID <linux-kernel.vger.kernel.org>
X-Mailing-List linux-kernel@vger.kernel.org
Approved robomod@news.nic.it
Lines 30
Organization linux.* mail to news gateway
X-Original-Cc Borislav Petkov <bp@alien8.de>, lenb@kernel.org, will.deacon@arm.com, james.morse@arm.com, bp@suse.de, shiju.jose@huawei.com, geliangtang@gmail.com, andriy.shevchenko@linux.intel.com, tony.luck@intel.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
X-Original-Date Thu, 21 Sep 2017 09:27:06 -0600
X-Original-Message-ID <a7496f34-4ea9-33a2-0e65-f7e3aa49deb0@codeaurora.org>
X-Original-References <1503939221-27732-1-git-send-email-tbaicar@codeaurora.org> <20170829081610.moq2dtxzz4vrbmo5@pd.tnic> <47ed1861-1bdb-7caf-3d6b-5304235c7e10@codeaurora.org>
X-Original-Sender linux-kernel-owner@vger.kernel.org
Xref csiph.com linux.kernel:1736774

Show key headers only | View raw


On 9/13/2017 8:40 AM, Baicar, Tyler wrote:
> On 8/29/2017 2:16 AM, Borislav Petkov wrote:
>> On Mon, Aug 28, 2017 at 10:53:41AM -0600, Tyler Baicar wrote:
>>> Currently we acknowledge errors before clearing the error status.
>>> This could cause a new error to be populated by firmware in-between
>>> the error acknowledgment and the error status clearing which would
>>> cause the second error's status to be cleared without being handled.
>>> So, clear the error status before acknowledging the errors.
>>>
>>> Also, make sure to acknowledge the error if the error status read
>>> fails.
>>>
>>> V3: Seperate check for -ENOENT return value
>>>
>>> V2: Only send error ack if there was an error populated
>>>      Remove curly braces that are no longer needed
>>>
>>> Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org>
>>> ---
>>>   drivers/acpi/apei/ghes.c | 16 +++++++++-------
>>>   1 file changed, 9 insertions(+), 7 deletions(-)
>> Reviewed-by: Borislav Petkov <bp@suse.de>
> Hello Rafael,
>
> Were you able to apply this patch?
I haven't heard anything on this patch. It would be great to have it in 
4.14 :)

Thanks,
Tyler

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

Re: [PATCH V3] acpi: apei: clear error status before acknowledging  the error "Baicar, Tyler" <tbaicar@codeaurora.org> - 2017-09-13 16:50 +0200
  Re: [PATCH V3] acpi: apei: clear error status before acknowledging  the error Tyler Baicar <tbaicar@codeaurora.org> - 2017-09-21 17:30 +0200

csiph-web