diff options
| author | adam radford <aradford@gmail.com> | 2006-04-11 11:25:09 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-04-24 09:56:03 -0700 |
| commit | c1cedaef64db3b569028fa829558bc170b05ac15 (patch) | |
| tree | 2bc17dc1b636090098327ac1d02ccb610d670094 | |
| parent | 1d7e3fb722af33e03840d8e93d479ad078871d61 (diff) | |
[PATCH] 3ware 9000 disable local irqs during kmap_atomic
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>
| -rw-r--r-- | drivers/scsi/3w-9xxx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index d9152d02088..9132549813e 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/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_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() */ |