The patch titled
imm: no need for unchecked_isa_dma
has been added to the -mm tree. Its filename is
imm-no-need-for-unchecked_isa_dma.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: imm: no need for unchecked_isa_dma
From: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Relax the lowmem bounce buffer requirement for imm so that any low memory
page will do -- they don't need to be below the ISA 16 MB limit, just need
to be mapped in low memory.
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/scsi/imm.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff -puN drivers/scsi/imm.c~imm-no-need-for-unchecked_isa_dma drivers/scsi/imm.c
--- 25/drivers/scsi/imm.c~imm-no-need-for-unchecked_isa_dma Fri May 19 14:21:49 2006
+++ 25-akpm/drivers/scsi/imm.c Fri May 19 14:21:49 2006
@@ -1119,6 +1119,10 @@ static int device_check(imm_struct *dev)
return -ENODEV;
}
+/*
+ * imm cannot deal with highmem, so this causes all IO pages for this host
+ * to reside in low memory (hence mapped)
+ */
static int imm_adjust_queue(struct scsi_device *device)
{
blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
@@ -1141,10 +1145,6 @@ static struct scsi_host_template imm_tem
.use_clustering = ENABLE_CLUSTERING,
.can_queue = 1,
.slave_alloc = imm_adjust_queue,
- .unchecked_isa_dma = 1, /* imm cannot deal with highmem, so
- * this is an easy trick to ensure
- * all io pages for this host reside
- * in low memory */
};
/***************************************************************************
_
Patches currently in -mm which might be from rdunlap@xxxxxxxxxxxx are
config-exit-if-no-beginning-filename.patch
git-mtd.patch
ppa-no-highmem-pages.patch
imm-no-need-for-unchecked_isa_dma.patch
lpfc-sparse-null-warnings.patch
aic7-cleanup-module_parm_desc-strings.patch
areca-raid-linux-scsi-driver.patch
git-watchdog.patch
add-poisonh-and-patch-primary-users.patch
update-2-drivers-for-poisonh.patch
add-doc-submitchecklist.patch
doc-add-audit-acct-to-docbook.patch
ip2-fix-sections.patch
codingstyle-add-typedefs-chapter.patch
fix-listh-kernel-doc.patch
listh-doc-change-counter-to-control.patch
acpi-identify-which-device-is-not-power-manageable.patch
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