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From: "Luck, Tony" <tony.luck@intel.com>
To: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	Len Brown <lenb@kernel.org>, Boris Petkov <bp@suse.de>,
	Tyler Baicar <tbaicar@codeaurora.org>,
	"Punit Agrawal" <punit.agrawal@arm.com>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] ACPI / sysfs: Extend ACPI sysfs to provide access to boot error region
Date: Fri, 18 Aug 2017 02:12:50 +0000	[thread overview]
Message-ID: <3908561D78D1C84285E8C5FCA982C28F613425E2@ORSMSX114.amr.corp.intel.com> (raw)
In-Reply-To: <20170818013047.427e38b7@alans-desktop>

> Should this not also have a capability check. Assuming file permissions
> are sufficient for grabbing a chunk of system memory holding error
> info doesn't seem too scary but it's at odds with a lot of other cases ?

At least one of those other cases (pstore) added a capability check and now regret
it.  There's a thread on reverting it. Look for:

   Revert "pstore: Honor dmesg_restrict sysctl on dmesg dumps"

-Tony

  reply	other threads:[~2017-08-18  2:12 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-14 16:56 [PATCH] ACPI/APEI: Add BERT data driver Luck, Tony
2017-08-15 10:22 ` Punit Agrawal
2017-08-15 21:15   ` Luck, Tony
2017-08-16 13:14     ` Punit Agrawal
2017-08-16 15:22       ` Luck, Tony
2017-08-17 10:25         ` Punit Agrawal
2017-08-17 17:49           ` Luck, Tony
2017-08-17 19:28             ` Rafael J. Wysocki
2017-08-17 20:29               ` Luck, Tony
2017-08-17 20:41                 ` Rafael J. Wysocki
2017-08-17 21:39                   ` [PATCH] ACPI / sysfs: Extend ACPI sysfs to provide access to boot error region Luck, Tony
2017-08-18  0:30                     ` Alan Cox
2017-08-18  2:12                       ` Luck, Tony [this message]
2017-08-23 14:56                       ` Luck, Tony
2017-08-29  0:10                         ` Kees Cook
2017-08-29 15:55                           ` Luck, Tony
2017-08-18 17:38                     ` Punit Agrawal
2017-08-18 23:19                       ` [PATCH v4] " Luck, Tony
2017-08-28 20:55                         ` Rafael J. Wysocki

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