All of lore.kernel.org
 help / color / mirror / Atom feed
From: khalasa@piap.pl (Krzysztof Hałasa)
To: linux-mips@linux-mips.org
Cc: linux-media@vger.kernel.org
Subject: Re: Suspected cache coherency problem on V4L2 and AR7100 CPU
Date: Fri, 04 Oct 2013 10:06:45 +0200	[thread overview]
Message-ID: <m3a9ipa296.fsf@t19.piap.pl> (raw)
In-Reply-To: <m3eh82a1yo.fsf@t19.piap.pl> ("Krzysztof Hałasa"'s message of "Thu, 03 Oct 2013 16:00:47 +0200")

> I'm debugging a problem with a SOLO6110-based H.264 PCI video encoder on
> Atheros AR7100-based (MIPS, big-endian) platform.

BTW this CPU obviously has VIPT data cache, this means a physical page
with multiple virtual addresses (e.g. mapped multiple times) may and
will be cached multiple times.

AR7100 = arch/mips/ath79.
-- 
Krzysztof Halasa

Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland

  reply	other threads:[~2013-10-04  8:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-03 14:00 Suspected cache coherency problem on V4L2 and AR7100 CPU Krzysztof Hałasa
2013-10-04  8:06 ` Krzysztof Hałasa [this message]
2013-10-07  8:38 ` Krzysztof Hałasa
2013-10-07 14:24   ` Ralf Baechle
2013-10-08  8:24     ` Krzysztof Hałasa
2013-10-08 12:07       ` Ralf Baechle
2013-10-09  6:53         ` Krzysztof Hałasa
2013-10-09  8:17           ` Ralf Baechle
2013-10-09 13:05             ` Krzysztof Hałasa
2013-10-08 10:46     ` Krzysztof Hałasa

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=m3a9ipa296.fsf@t19.piap.pl \
    --to=khalasa@piap.pl \
    --cc=linux-media@vger.kernel.org \
    --cc=linux-mips@linux-mips.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.