From: "Steven J. Hill" <Steven.Hill@imgtec.com>
To: "Maciej W. Rozycki" <macro@linux-mips.org>,
Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: Kevin Cernekee <cernekee@chromium.org>,
Linux MIPS Mailing List <linux-mips@linux-mips.org>
Subject: Re: [PATCH V2 1/3] MIPS: Fix cache flushing for swap pages with non-DMA I/O.
Date: Tue, 24 Feb 2015 10:20:59 -0600 [thread overview]
Message-ID: <54ECA4EB.6010807@imgtec.com> (raw)
In-Reply-To: <alpine.LFD.2.11.1502240217360.17311@eddie.linux-mips.org>
On 02/23/2015 08:24 PM, Maciej W. Rozycki wrote:
> On Mon, 23 Feb 2015, Leonid Yegoshin wrote:
>
>> The same is basically for transfer D$ --> I$ because in MIPS it is done via L2
>> or memory.
>
> The original issue aside (I don't want to dive into it) this I believe is
> left to an implementer's discretion and there are MIPS implementations
> indeed that fill I$ directly from D$; IIRC Alchemy silicon and its
> descendants.
>
> Maciej
>
I am tracking down even more HIGHMEM bugs, so I will rework these
patches, clean-up commit messages and post again. Thanks for all the
feedback.
Steve
next prev parent reply other threads:[~2015-02-24 16:21 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-19 16:17 [PATCH V2 0/3] HIGHMEM and cache flush fixes Steven J. Hill
2015-02-19 16:17 ` Steven J. Hill
2015-02-19 16:17 ` [PATCH V2 1/3] MIPS: Fix cache flushing for swap pages with non-DMA I/O Steven J. Hill
2015-02-19 16:17 ` Steven J. Hill
2015-02-20 19:17 ` Kevin Cernekee
2015-02-24 0:56 ` Leonid Yegoshin
2015-02-24 1:13 ` Zenon Fortuna
2015-02-24 2:33 ` Maciej W. Rozycki
2015-02-24 21:06 ` Leonid Yegoshin
2015-02-24 21:51 ` Maciej W. Rozycki
2015-02-24 21:57 ` Leonid Yegoshin
2015-02-24 22:50 ` Maciej W. Rozycki
2015-02-24 22:57 ` David Daney
2015-02-24 23:19 ` Leonid Yegoshin
2015-02-24 23:58 ` David Daney
2015-02-25 0:07 ` Maciej W. Rozycki
2015-02-25 0:38 ` David Daney
2015-02-24 23:15 ` Leonid Yegoshin
2015-02-24 2:24 ` Maciej W. Rozycki
2015-02-24 16:20 ` Steven J. Hill [this message]
2015-02-19 16:17 ` [PATCH V2 2/3] MIPS: Highmem: Fixes for cache aliasing and color Steven J. Hill
2015-02-19 16:17 ` Steven J. Hill
2015-02-19 16:17 ` [PATCH V2 3/3] MIPS: Fix I-cache flushing for kmap'd pages Steven J. Hill
2015-02-19 16:17 ` Steven J. Hill
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