This is a note to let you know that I've just added the patch titled
mtip32xx: Set queue bounce limit
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mtip32xx-set-queue-bounce-limit.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1044b1bb9278f2e656a1a7b63dc24a59506540aa Mon Sep 17 00:00:00 2001
From: Felipe Franciosi <felipe@xxxxxxxxxxxx>
Date: Thu, 13 Mar 2014 14:34:20 +0000
Subject: mtip32xx: Set queue bounce limit
From: Felipe Franciosi <felipe@xxxxxxxxxxxx>
commit 1044b1bb9278f2e656a1a7b63dc24a59506540aa upstream.
We need to set the queue bounce limit during the device initialization to
prevent excessive bouncing on 32 bit architectures.
Signed-off-by: Felipe Franciosi <felipe@xxxxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/block/mtip32xx/mtip32xx.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -4213,6 +4213,7 @@ skip_create_disk:
blk_queue_max_hw_sectors(dd->queue, 0xffff);
blk_queue_max_segment_size(dd->queue, 0x400000);
blk_queue_io_min(dd->queue, 4096);
+ blk_queue_bounce_limit(dd->queue, dd->pdev->dma_mask);
/*
* write back cache is not supported in the device. FUA depends on
Patches currently in stable-queue which might be from felipe@xxxxxxxxxxxx are
queue-3.14/mtip32xx-set-queue-bounce-limit.patch
queue-3.14/mtip32xx-unmap-the-dma-segments-before-completing-the-io-request.patch
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