From: "John W. Linville" <linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
To: davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org
Cc: linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: pull request: wireless-2.6 2008-09-24
Date: Wed, 24 Sep 2008 19:17:33 -0400 [thread overview]
Message-ID: <20080924231720.GD3639@tuxdriver.com> (raw)
Dave,
One more for 2.6.27 -- a fix for a possible interrupt storm. There is
even a link in the commit log to a youtube video of the storm in
progress. :-)
Let me know if there are problems!
John
---
Individual patch is available here:
http://www.kernel.org/pub/linux/kernel/people/linville/wireless-2.6/
---
The following changes since commit 4c07ab0fe4b4eaa0fc31f640ca65da7c173f5043:
David S. Miller (1):
Merge branch 'master' of git://git.kernel.org/.../linville/wireless-2.6
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git master
Luis R. Rodriguez (1):
ath9k: disable MIB interrupts to fix interrupt storm
drivers/net/wireless/ath9k/core.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c
index c049593..87e37bc 100644
--- a/drivers/net/wireless/ath9k/core.c
+++ b/drivers/net/wireless/ath9k/core.c
@@ -795,6 +795,12 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
sc->sc_imask |= ATH9K_INT_CST;
+ /* Note: We disable MIB interrupts for now as we don't yet
+ * handle processing ANI, otherwise you will get an interrupt
+ * storm after about 7 hours of usage making the system unusable
+ * with huge latency. Once we do have ANI processing included
+ * we can re-enable this interrupt. */
+#if 0
/*
* Enable MIB interrupts when there are hardware phy counters.
* Note we only do this (at the moment) for station mode.
@@ -802,6 +808,7 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
if (ath9k_hw_phycounters(ah) &&
((sc->sc_opmode == ATH9K_M_STA) || (sc->sc_opmode == ATH9K_M_IBSS)))
sc->sc_imask |= ATH9K_INT_MIB;
+#endif
/*
* Some hardware processes the TIM IE and fires an
* interrupt when the TIM bit is set. For hardware
--
John W. Linville Linux should be at the core
linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org of your literate lifestyle.
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next reply other threads:[~2008-09-24 23:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-24 23:17 John W. Linville [this message]
2008-09-24 23:22 ` pull request: wireless-2.6 2008-09-24 David Miller
2008-09-25 5:47 ` Zhu Yi
[not found] ` <1222321622.2510.455.camel-F7Q/YMNgnyhhZnBKgDE8z0EOCMrvLtNR@public.gmane.org>
2008-09-25 11:41 ` John W. Linville
2008-09-25 12:27 ` Johannes Berg
[not found] ` <20080925114133.GA5044-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2008-09-25 14:57 ` Tomas Winkler
[not found] ` <1ba2fa240809250757x32aa450k523d71e555c221e4-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-09-25 15:47 ` John W. Linville
2008-09-25 15:52 ` Tomas Winkler
2008-09-25 19:09 ` Marcel Holtmann
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=20080924231720.GD3639@tuxdriver.com \
--to=linville-2xusbdqka4r54taoqtywwq@public.gmane.org \
--cc=davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.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).