From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: mm: dump: don't skip final region
Date: Thu, 11 Dec 2014 18:22:32 +0000 [thread overview]
Message-ID: <20141211182232.GB13152@leverpostej> (raw)
In-Reply-To: <20141208175503.GI11285@n2100.arm.linux.org.uk>
On Mon, Dec 08, 2014 at 05:55:03PM +0000, Russell King - ARM Linux wrote:
> 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.
Ok. I'll send out a v2 which removes both uses of USER_PGTABLES_CEILING
and repots all entries.
Thanks,
Mark.
prev parent reply other threads:[~2014-12-11 18:22 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
2014-12-11 18:22 ` Mark Rutland [this message]
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