From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: I-cache/D-cache inconsistency issue with page cache
Date: Sun, 25 Sep 2011 20:30:12 +0100 [thread overview]
Message-ID: <20110925193012.GC22455@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAHkRjk7u3RQxUSkU+DP0fD4qd2VzYB0eQA_NpVFebNtBcR6ysQ@mail.gmail.com>
On Sun, Sep 25, 2011 at 04:26:42PM +0100, Catalin Marinas wrote:
> On 25 September 2011 11:34, Russell King - ARM Linux
> <linux@arm.linux.org.uk> wrote:
> > As I've already pointed out though, the report is against old kernels
> > which doesn't have this code, so there's no point us speculating about
> > it until the issue has been confirmed against a kernel which we expect
> > _not_ to have the issue in the first place (rather than one which we
> > _do_ expect it to go wrong.)
>
> Yes, they should definitely try a more recent kernel.
As the kernels which have been reported as having the issue do not
have __sync_icache_dcache, all bets are off for things behaving
correctly. I don't see any point speculating further until the
problem is confirmed on a kernel _with_ __sync_icache_dcache.
next prev parent reply other threads:[~2011-09-25 19:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-23 11:57 I-cache/D-cache inconsistency issue with page cache Mike Hommey
2011-09-23 19:39 ` Russell King - ARM Linux
2011-09-24 9:35 ` Mike Hommey
2011-09-24 9:47 ` Russell King - ARM Linux
2011-09-24 10:07 ` Mike Hommey
2011-09-24 10:12 ` Russell King - ARM Linux
2011-09-25 9:51 ` Catalin Marinas
2011-09-25 10:34 ` Russell King - ARM Linux
2011-09-25 15:26 ` Catalin Marinas
2011-09-25 19:30 ` Russell King - ARM Linux [this message]
2011-09-24 10:14 ` Siarhei Siamashka
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=20110925193012.GC22455@n2100.arm.linux.org.uk \
--to=linux@arm.linux.org.uk \
--cc=linux-arm-kernel@lists.infradead.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).