From: Ingo Molnar <mingo@kernel.org>
To: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
"Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>,
linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org,
Matt Fleming <matt.fleming@intel.com>,
Borislav Petkov <bp@suse.de>
Subject: Re: [PATCH 2/2] acpi, apei: use appropriate pgprot_t to map GHES memory
Date: Thu, 13 Aug 2015 10:19:17 +0200 [thread overview]
Message-ID: <20150813081917.GA14610@gmail.com> (raw)
In-Reply-To: <1439396234-22863-3-git-send-email-matt@codeblueprint.co.uk>
* Matt Fleming <matt@codeblueprint.co.uk> wrote:
> From: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>
>
> With ACPI APEI firmware first handling, generic hardware error
> record is updated by firmware in GHES memory region. On an arm64
> platform, firmware updates GHES memory region with uncached
> access attribute, and then Linux reads stale data from cache.
So this paragraph does not parse for me ...
If it tries to explain a bug it falls very short of doing a proper job of that.
Thanks,
Ingo
next prev parent reply other threads:[~2015-08-13 8:19 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 16:17 [GIT PULL 0/2] EFI changes for v4.3 (part two) Matt Fleming
2015-08-12 16:17 ` [PATCH 1/2] arm64: apei: implement arch_apei_get_mem_attributes() Matt Fleming
2015-08-13 8:22 ` Ingo Molnar
2015-08-14 18:55 ` Zhang, Jonathan Zhixiong
2015-08-14 19:12 ` Matt Fleming
2015-08-12 16:17 ` [PATCH 2/2] acpi, apei: use appropriate pgprot_t to map GHES memory Matt Fleming
2015-08-13 8:19 ` Ingo Molnar [this message]
2015-08-13 9:24 ` Matt Fleming
2015-08-13 11:14 ` Will Deacon
2015-08-14 19:09 ` Zhang, Jonathan Zhixiong
2015-08-14 22:37 [PATCH V2 1/2] arm64: apei: implement arch_apei_get_mem_attributes() Jonathan (Zhixiong) Zhang
2015-08-14 22:37 ` [PATCH 2/2] acpi, apei: use appropriate pgprot_t to map GHES memory Jonathan (Zhixiong) Zhang
2015-08-17 13:13 ` Matt Fleming
2015-08-17 21:10 ` Zhang, Jonathan Zhixiong
2015-08-22 9:24 ` Ingo Molnar
2015-08-24 18:22 ` Zhang, Jonathan Zhixiong
2015-08-25 8:59 ` Ingo Molnar
2015-08-25 17:30 ` Zhang, Jonathan Zhixiong
2015-08-24 18:25 Jonathan (Zhixiong) Zhang
2015-08-25 17:27 Jonathan (Zhixiong) Zhang
2015-09-04 11:28 ` Matt Fleming
2015-09-04 11:36 ` Ingo Molnar
2015-09-04 13:11 [GIT PULL 0/2] EFI changes for v4.3 (part two) Matt Fleming
2015-09-04 13:11 ` [PATCH 2/2] acpi, apei: Use appropriate pgprot_t to map GHES memory Matt Fleming
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