diff options
| author | adam radford <aradford@gmail.com> | 2006-04-11 18:25:09 (GMT) |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-04-13 18:27:38 (GMT) |
| commit | 1e08dcb39c6b95ec84fc8bad97d5bdce879b76c9 (patch) | |
| tree | b96ddfaa7695f83d2bc409bf72a8e2c577ce7212 | |
| parent | e36e0c80137af8f012528938dab2970c26d5ec4c (diff) | |
| download | linux-fsl-qoriq-1e08dcb39c6b95ec84fc8bad97d5bdce879b76c9.tar.xz | |
[SCSI] 3ware 9000 disable local irqs during kmap_atomic
Equivalent of the same patch for the 3w-xxxx driver.
Signed-off-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| -rw-r--r-- | drivers/scsi/3w-9xxx.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 0d2b447..caeb6d2 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -65,6 +65,7 @@ 2.26.02.005 - Fix use_sg == 0 mapping on systems with 4GB or higher. 2.26.02.006 - Fix 9550SX pchip reset timeout. Add big endian support. + 2.26.02.007 - Disable local interrupts during kmap/unmap_atomic(). */ #include <linux/module.h> @@ -88,7 +89,7 @@ #include "3w-9xxx.h" /* Globals */ -#define TW_DRIVER_VERSION "2.26.02.006" +#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; @@ -1942,9 +1943,13 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re } 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() */ |