From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: mm: dump: don't skip final region
Date: Mon, 8 Dec 2014 17:55:03 +0000 [thread overview]
Message-ID: <20141208175503.GI11285@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAPvkgC1HbuezEjmdUwVCM_Mic7Z5rF5BofSryQegiVOA08NwaA@mail.gmail.com>
On Mon, Dec 08, 2014 at 05:46:45PM +0000, Steve Capper wrote:
> After some head scratching....
>
> Basically, the swapper_pg_dir will only contain kernel pgd entries. So
> at the beginning where one would normally user-space entries in a pgd
> table, there should be null entries that are skipped over. So yes, I
> agree, we should be able to remove the USER_PGTABLES_CEILING check.
The check is there to avoid noting anything about the lower entries.
There is the possibility for lower entries to contain something (the
low vector mapping), though you're probably right that we should
report those too.
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2014-12-08 17:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-05 12:20 [PATCH] arm: mm: dump: don't skip final region Mark Rutland
2014-12-05 16:23 ` Steve Capper
2014-12-08 12:05 ` Mark Rutland
2014-12-08 17:46 ` Steve Capper
2014-12-08 17:55 ` Russell King - ARM Linux [this message]
2014-12-11 18:22 ` Mark Rutland
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