From: Artem Bityutskiy <dedekind1@gmail.com>
To: Ivan Djelic <ivan.djelic@parrot.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: [PATCH] mtd: nand: omap: fix race condition in omap_wait()
Date: Fri, 27 Apr 2012 08:50:21 +0300 [thread overview]
Message-ID: <1335505821.1767.2.camel@koala> (raw)
In-Reply-To: <1334661113-24709-1-git-send-email-ivan.djelic@parrot.com>
[-- Attachment #1: Type: text/plain, Size: 656 bytes --]
On Tue, 2012-04-17 at 13:11 +0200, Ivan Djelic wrote:
> If a context switch occurs in function omap_wait() just before the
> while loop is entered, then upon return from context switch the
> timeout may already have elapsed: in that case, status is never
> read from NAND device, and omap_wait() returns an error.
> This failure has been experimentally observed during stress tests.
>
> This patch ensures a NAND status read is always performed before
> returning, as in the generic nand_wait() function.
>
> Signed-off-by: Ivan Djelic <ivan.djelic@parrot.com>
Pushed this one to l2-mtd.git, thanks!
--
Best Regards,
Artem Bityutskiy
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
next prev parent reply other threads:[~2012-04-27 5:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-17 11:11 [PATCH] mtd: nand: omap: fix race condition in omap_wait() Ivan Djelic
2012-04-27 5:50 ` Artem Bityutskiy [this message]
2012-04-27 11:26 ` Mark Olleson
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=1335505821.1767.2.camel@koala \
--to=dedekind1@gmail.com \
--cc=ivan.djelic@parrot.com \
--cc=linux-mtd@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 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.