From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org,
James Bottomley <James.Bottomley@steeleye.com>
Cc: Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@redhat.com>,
Chuck Wolber <chuckw@quantumlinux.com>,
torvalds@osdl.org, akpm@osdl.org, alan@lxorguk.ukuu.org.uk,
Adam Radford <linuxraid@amcc.com>,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: [patch 02/22] 3ware 9000 disable local irqs during kmap_atomic
Date: Thu, 20 Apr 2006 21:37:34 -0700 [thread overview]
Message-ID: <20060421043734.GC12846@kroah.com> (raw)
In-Reply-To: <20060421043706.GA12846@kroah.com>
[-- Attachment #1: 3ware-9000-disable-local-irqs-during-kmap_atomic.patch --]
[-- Type: text/plain, Size: 1294 bytes --]
The attached patch for 2.6.17-rc2 updates the 3ware 9000 driver:
- Disable local interrupts during kmap/unmap_atomic().
Signed-off-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/scsi/3w-9xxx.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- linux-2.6.16.9.orig/drivers/scsi/3w-9xxx.c
+++ linux-2.6.16.9/drivers/scsi/3w-9xxx.c
@@ -85,7 +85,7 @@
#include "3w-9xxx.h"
/* Globals */
-#define TW_DRIVER_VERSION "2.26.02.005"
+#define TW_DRIVER_VERSION "2.26.02.007"
static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
static unsigned int twa_device_extension_count;
static int twa_major = -1;
@@ -1944,9 +1944,13 @@ static void twa_scsiop_execute_scsi_comp
}
if (tw_dev->srb[request_id]->use_sg == 1) {
struct scatterlist *sg = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
- char *buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+ char *buf;
+ unsigned long flags = 0;
+ local_irq_save(flags);
+ buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
memcpy(buf, tw_dev->generic_buffer_virt[request_id], sg->length);
kunmap_atomic(buf - sg->offset, KM_IRQ0);
+ local_irq_restore(flags);
}
}
} /* End twa_scsiop_execute_scsi_complete() */
--
next prev parent reply other threads:[~2006-04-21 4:45 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060421043353.602539000@blue.kroah.org>
2006-04-21 4:37 ` [patch 00/22] 2.6.16-stable review cycle Greg KH
2006-04-21 4:37 ` [patch 01/22] 3ware: kmap_atomic() fix Greg KH
2006-04-21 4:37 ` Greg KH [this message]
2006-04-21 4:37 ` [patch 03/22] efficeon-agp: Add missing memory mask Greg KH
2006-04-21 4:37 ` [patch 04/22] : Fix truesize underflow Greg KH
2006-04-21 4:37 ` [patch 05/22] : Fix hotplug race during device registration Greg KH
2006-04-21 4:38 ` [patch 06/22] i2c-i801: Fix resume when PEC is used Greg KH
2006-04-21 4:38 ` [patch 07/22] MTD_NAND_SHARPSL and MTD_NAND_NANDSIM should be tristates Greg KH
2006-04-21 4:38 ` [patch 08/22] PPC: fix oops in alsa powermac driver Greg KH
2006-04-21 4:38 ` [patch 09/22] selinux: Fix MLS compatibility off-by-one bug Greg KH
2006-04-21 4:38 ` [patch 10/22] IPV6: Ensure to have hop-by-hop options in our header of &sk_buff Greg KH
2006-04-21 4:39 ` [patch 11/22] IPV6: XFRM: Dont use old copy of pointer after pskb_may_pull() Greg KH
2006-04-21 4:39 ` [patch 12/22] IPV6: XFRM: Fix decoding session with preceding extension header(s) Greg KH
2006-04-21 4:39 ` [patch 13/22] x86: dont allow tail-calls in sys_ftruncate() Greg KH
2006-04-21 4:39 ` [patch 18/22] Fix file lookup without ref Greg KH
2006-04-21 4:39 ` [patch 17/22] IPC: access to unmapped vmalloc area in grow_ary() Greg KH
2006-04-21 4:39 ` [patch 16/22] m41t00: fix bitmasks when writing to chip Greg KH
2006-04-21 4:39 ` [patch 15/22] Open IPMI BT overflow Greg KH
2006-04-21 4:39 ` [patch 14/22] x86: be careful about tailcall breakage for sys_opentoo Greg KH
2006-04-21 4:39 ` [patch 22/22] Add more prevent_tail_call() Greg KH
2006-04-21 4:39 ` [patch 21/22] alim15x3: ULI M-1573 south Bridge support Greg KH
2006-04-21 4:40 ` [patch 20/22] apm: fix Armada laptops again Greg KH
2006-04-21 4:40 ` [patch 19/22] fbdev: Fix return error of fb_write Greg KH
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