From: Roland Dreier <rdreier@cisco.com>
To: "Bryan O'Sullivan" <bos@pathscale.com>
Cc: openib-general@openib.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 41 of 53] ipath - disable interrupts while holding spinlock in RWQE get
Date: Mon, 15 May 2006 08:55:37 -0700 [thread overview]
Message-ID: <ada4pzruvt2.fsf@cisco.com> (raw)
In-Reply-To: <83f1832c601594846868.1147477406@eng-12.pathscale.com> (Bryan O'Sullivan's message of "Fri, 12 May 2006 16:43:26 -0700")
> @@ -171,12 +171,13 @@ int ipath_get_rwqe(struct ipath_qp *qp,
> n = rq->head - rq->tail;
> if (n < srq->limit) {
> srq->limit = 0;
> - spin_unlock(&rq->lock);
> + spin_unlock_irqrestore(&rq->lock, flags);
> ev.device = qp->ibqp.device;
> ev.element.srq = qp->ibqp.srq;
> ev.event = IB_EVENT_SRQ_LIMIT_REACHED;
> srq->ibsrq.event_handler(&ev,
> srq->ibsrq.srq_context);
> + spin_lock_irqsave(&rq->lock, flags);
ipath_get_rwqe() in the kernel now doesn't even have a flags
variable. So this looks like a bug introduced earlier in this patch
series. Please roll the fix up into the place where you added the bug.
- R.
next prev parent reply other threads:[~2006-05-15 15:55 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-12 23:42 [PATCH 0 of 53] ipath driver updates for 2.6.17-rc4 Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 1 of 53] ipath - fix spinlock recursion bug Bryan O'Sullivan
2006-05-13 1:01 ` Joshua Hudson
2006-05-12 23:42 ` [PATCH 2 of 53] ipath - purge sps_lid and sps_mlid arrays, and /sys entries Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 3 of 53] ipath - report max MR and QP sizes based on table sizes Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 4 of 53] ipath - cap number of PDs that can be allocated Bryan O'Sullivan
2006-05-15 15:45 ` Roland Dreier
2006-05-15 21:06 ` Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 5 of 53] ipath - forbid creation of AHs with illegal ports Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 6 of 53] ipath - forbid creation of AH with DLID of 0 Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 7 of 53] ipath - cap maximum number of AHs Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 8 of 53] ipath - cap number of CQEs Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 9 of 53] ipath - cap number of CQs Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 10 of 53] ipath - require capabilities when creating a QP Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 11 of 53] ipath - don't modify QP if changes fail Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 12 of 53] ipath - reduce overhead of receive interrupts Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 13 of 53] ipath - limit number of SGEs and WRs per QP Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 14 of 53] ipath - forbid empty MRs Bryan O'Sullivan
2006-05-15 15:46 ` Roland Dreier
2006-05-15 21:17 ` Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 15 of 53] ipath - make some maximum values more sane Bryan O'Sullivan
2006-05-15 15:48 ` Roland Dreier
2006-05-16 22:44 ` [openib-general] " Arlin Davis
2006-05-12 23:43 ` [PATCH 16 of 53] ipath - fix reporting of driver version to userspace Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 17 of 53] ipath - fail properly if GID missing Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 18 of 53] ipath - make max mcast sizes configurable Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 19 of 53] ipath - replace uses of LIST_POISON Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 20 of 53] ipath - more sharing between RC and UC code Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 21 of 53] ipath - use phys_to_virt instead of bus_to_virt Bryan O'Sullivan
2006-05-15 15:50 ` Roland Dreier
2006-05-15 21:21 ` Bryan O'Sullivan
2006-05-15 21:28 ` Roland Dreier
2006-05-15 23:13 ` [openib-general] " Grant Grundler
2006-05-15 23:16 ` Roland Dreier
2006-05-15 23:30 ` Grant Grundler
2006-05-15 23:34 ` Roland Dreier
2006-05-16 20:05 ` Christoph Hellwig
2006-05-12 23:43 ` [PATCH 22 of 53] ipath - fix "many lost ticks" warning Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 23 of 53] ipath - [TRIVIAL] typo fixes Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 24 of 53] ipath - count dropped VL15 packets Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 25 of 53] ipath - remove some duplicated lines of code Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 26 of 53] ipath - treat PE800 rev1 and rev2 as similar Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 27 of 53] ipath - fix accounting of data packets with bad VLs Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 28 of 53] ipath - forbid setting of invalid MLID Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 29 of 53] ipath - remove redundant register read Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 30 of 53] ipath - count VL15 packet drops due to bad VL or lack of buffers Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 31 of 53] ipath - forbid sending of bad packet sizes Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 32 of 53] ipath - fix NULL dereference during cleanup Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 33 of 53] ipath - clean up some comments Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 34 of 53] ipath - fix occasional hangs in SDP Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 35 of 53] ipath - some interrelated stability and cleanliness fixes Bryan O'Sullivan
2006-05-15 15:53 ` Roland Dreier
2006-05-12 23:43 ` [PATCH 36 of 53] ipath - count local link integrity errors Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 37 of 53] ipath - name zero counter offsets consistently Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 38 of 53] ipath - SRQ compliance checks Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 39 of 53] ipath - count PE800 receive interrupts on user ports Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 40 of 53] ipath - remember to drop spinlock Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 41 of 53] ipath - disable interrupts while holding spinlock in RWQE get Bryan O'Sullivan
2006-05-15 15:55 ` Roland Dreier [this message]
2006-05-12 23:43 ` [PATCH 42 of 53] ipath - increment pointer properly when doing a diag read Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 43 of 53] ipath - fix memory leak when creating a QP fails Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 44 of 53] ipath - allow diags on any unit Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 45 of 53] ipath - fix memory leak when create of QP fails Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 46 of 53] ipath - enable GPIO interrupt on HT-460 Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 47 of 53] ipath - fix problem with lost interrupts on HT-400 Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 48 of 53] ipath - QP should ignore receive queue size if SRQ specified Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 49 of 53] ipath - NULL-terminate pci_device_id table Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 50 of 53] ipath - reduce maximum table sizes Bryan O'Sullivan
2006-05-15 16:00 ` Roland Dreier
2006-05-12 23:43 ` [PATCH 51 of 53] ipath - fix reporting of vendor ID and a few other trivial bits Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 52 of 53] ipath - register as IB device owner Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 53 of 53] ipath - add memory barrier when waiting for writes Bryan O'Sullivan
2006-05-15 15:57 ` Roland Dreier
2006-05-15 21:10 ` Bryan O'Sullivan
2006-05-15 23:01 ` ralphc
2006-05-15 23:08 ` Roland Dreier
2006-05-15 23:25 ` ralphc
2006-05-15 23:28 ` [openib-general] " Roland Dreier
2006-05-15 23:38 ` ralphc
2006-05-15 23:47 ` Roland Dreier
2006-05-15 15:02 ` [openib-general] [PATCH 0 of 53] ipath driver updates for 2.6.17-rc4 Roger Heflin
2006-05-15 15:44 ` Roland Dreier
2006-05-15 16:00 ` [openib-general] " Roger Heflin
2006-05-15 16:04 ` Roland Dreier
2006-05-15 20:11 ` Roger Heflin
2006-05-15 21:09 ` Bryan O'Sullivan
2006-05-15 21:07 ` Bryan O'Sullivan
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=ada4pzruvt2.fsf@cisco.com \
--to=rdreier@cisco.com \
--cc=bos@pathscale.com \
--cc=linux-kernel@vger.kernel.org \
--cc=openib-general@openib.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