From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "David S. Miller" <davem@redhat.com>
Cc: Andrew Morton <akpm@osdl.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>,
rmk+serial@arm.linux.org.uk
Subject: Re: [PATCH] Fix typo in pmac_zilog
Date: Mon, 31 May 2004 10:30:59 +1000 [thread overview]
Message-ID: <1085963459.2248.29.camel@gaston> (raw)
In-Reply-To: <20040530173252.4a040e99.davem@redhat.com>
On Mon, 2004-05-31 at 10:32, David S. Miller wrote:
> On Sun, 30 May 2004 17:13:38 +1000
> Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
>
> > There is a deadlock issue. I triggered once when I had a bug where the
> > driver was flooding the input with zero's. All serial drivers seem to be
> > affected. Apparently, tty_flip_* may call back into your write() routine
>
> Yes indeed, one code path is:
>
> .../...
Yup, another one is when echo is enabled, you may call back into write.
> It seems lots of serial drivers have this bug, even 8250.c :-)
Yes, I told Russell about it.
> I'll fix up the Sparc drivers meanwhile.
--
Benjamin Herrenschmidt <benh@kernel.crashing.org>
prev parent reply other threads:[~2004-05-31 0:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-28 3:40 [PATCH] Fix typo in pmac_zilog Benjamin Herrenschmidt
2004-05-30 6:42 ` David S. Miller
2004-05-30 7:13 ` Benjamin Herrenschmidt
2004-05-31 0:32 ` David S. Miller
2004-05-31 0:30 ` Benjamin Herrenschmidt [this message]
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=1085963459.2248.29.camel@gaston \
--to=benh@kernel.crashing.org \
--cc=akpm@osdl.org \
--cc=davem@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rmk+serial@arm.linux.org.uk \
/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.