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SubjectRe: [ANNOUNCE] RT for v2.6.34.8 now available.
On 03/04/2011 02:24 PM, Paul Gortmaker wrote:
> As a value add to the 2.6.34 long term release, I'm happy to also
> announce the availability of 2.6.34-RT.
>
> You can find it in the v2.6.34-rt branch at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/paulg/rt-patches.git

Great! Many thanks... Actually, impressive work.

I'm trying to integrate/build it into my Fedora based rt packages for
Planet CCRMA. Warning: I'm doing this on top of the 2.6.34.8-68 fc13
koji build, so rt is patched on top of the additional Fedora patches for
that build (with a few trivial tweaks to patch cleanly). So I don't know
if the following issues are due to that - I will investigate:

I found a couple of extra argument cases for __netif_tx_lock:

--- a/drivers/net/qlcnic/qlcnic_main.c 2010-05-16 17:17:36.000000000 -0400
+++ b/drivers/net/qlcnic/qlcnic_main.c 2011-03-06 20:08:16.000000000 -0500
@@ -1881,7 +1881,7 @@
smp_mb();

if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
- __netif_tx_lock(tx_ring->txq, smp_processor_id());
+ __netif_tx_lock(tx_ring->txq);
if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
netif_wake_queue(netdev);
adapter->tx_timeo_cnt = 0;
--- a/drivers/net/bnx2x_main.c 2010-05-16 17:17:36.000000000 -0400
+++ b/drivers/net/bnx2x_main.c 2011-03-06 19:58:45.000000000 -0500
@@ -976,7 +976,7 @@
* stops the queue
*/

- __netif_tx_lock(txq, smp_processor_id());
+ __netif_tx_lock(txq);

if ((netif_tx_queue_stopped(txq)) &&
(bp->state == BNX2X_STATE_OPEN) &&
----
a missing include (incomplete type errors for semaphores):

--- a/drivers/net/mlx4/mlx4.h 2010-05-16 17:17:36.000000000 -0400
+++ b/drivers/net/mlx4/mlx4.h 2011-03-06 20:07:05.000000000 -0500
@@ -37,6 +37,7 @@
#ifndef MLX4_H
#define MLX4_H

+#include <linux/semaphore.h>
#include <linux/mutex.h>
#include <linux/radix-tree.h>
#include <linux/timer.h>
----
and this (found compilation fix here:
http://groups.google.com/group/linux.kernel/browse_thread/thread/c4f0fd1ca9298c45/18316184209e6e84?show_docid=18316184209e6e84&fwc=1):

--- a/drivers/net/wireless/ath/ar9170/usb.c 2011-03-06
19:13:12.000000000 -0500
+++ b/drivers/net/wireless/ath/ar9170/usb.c 2011-03-06
20:13:06.000000000 -0500
@@ -741,10 +741,10 @@

/* unbind anything failed */
if (parent)
- down(&parent->sem);
+ device_lock(parent);
device_release_driver(&aru->udev->dev);
if (parent)
- up(&parent->sem);
+ device_unlock(parent);

usb_put_dev(aru->udev);
}
----
I'll let you know how it goes (light testing probably tomorrow, still
building).

-- Fernando "patiently waiting for 2.6.37-rtx"
:-)


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