From: Bob Picco <bpicco@meloft.net>
To: sparclinux@vger.kernel.org
Subject: Re: [PATCH v2 0/8] sparc64: MM/IRQ patch queue.
Date: Sun, 05 Oct 2014 13:51:30 +0000 [thread overview]
Message-ID: <20141005135130.GF22365@zareason> (raw)
In-Reply-To: <20140927.142812.2031647355756795530.davem@davemloft.net>
David Miller wrote: [Sat Oct 04 2014, 03:12:37PM EDT]
> From: Bob Picco <bpicco@meloft.net>
> Date: Thu, 2 Oct 2014 10:24:35 -0400
>
> > At this commit:
> > 59a35b1 sparc64: Use kernel page tables for vmemmap.
>
> I think I figured out what the bug is.
>
> It has to do with how KERN_PGTABLE_WALK masks in the sub-pagesize
> bits for huge pages.
>
> That assembler works fine for PAGE_OFFSET mappings where the
> sub-pagesize bits always have a direct correspondance to the
> physical bits. But for something like vmemmap that doesn't
> work.
>
> I'll verify this and work on a fix.
This is exactly where I was on Friday afternoon. Unfortunately I was too
exhausted to contribute.
next prev parent reply other threads:[~2014-10-05 13:51 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-27 18:28 [PATCH v2 0/8] sparc64: MM/IRQ patch queue David Miller
2014-09-27 20:46 ` Bob Picco
2014-09-28 4:35 ` David Miller
2014-09-29 20:15 ` David Miller
2014-09-29 21:03 ` Bob Picco
2014-09-29 21:33 ` David Miller
2014-09-29 22:35 ` Bob Picco
2014-09-30 1:52 ` David Miller
2014-09-30 1:56 ` David Miller
2014-09-30 1:57 ` David Miller
2014-09-30 2:16 ` David Miller
2014-09-30 10:36 ` Bob Picco
2014-09-30 13:17 ` Bob Picco
2014-09-30 13:53 ` Bob Picco
2014-09-30 18:55 ` David Miller
2014-09-30 20:58 ` Bob Picco
2014-09-30 22:28 ` Bob Picco
2014-10-01 2:29 ` David Miller
2014-10-01 2:57 ` David Miller
2014-10-01 11:51 ` Bob Picco
2014-10-01 14:29 ` Bob Picco
2014-10-01 20:42 ` David Miller
2014-10-01 20:44 ` David Miller
2014-10-01 21:51 ` Bob Picco
2014-10-02 14:24 ` Bob Picco
2014-10-03 22:53 ` David Miller
2014-10-04 19:12 ` David Miller
2014-10-04 20:00 ` David Miller
2014-10-05 13:51 ` Bob Picco [this message]
2014-10-05 13:58 ` Bob Picco
2014-10-13 3:53 ` David Miller
2014-10-15 2:40 ` David Miller
2014-10-16 12:36 ` Bob Picco
2014-10-16 16:12 ` David Miller
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