redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

iommu/amd: Use standard bitmap operation to set bitmap 

It will be more readable and safer than the old setting.

Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
hifive-unleashed-5.1
Baoquan He 2016-09-15 16:50:51 +08:00 committed by Joerg Roedel
parent 134414fffc
commit 5c87f62dd1
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/iommu/amd_iommu_init.c
View File

@ -20,6 +20,7 @@
#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/list.h>
#include <linux/bitmap.h>
#include <linux/slab.h>
#include <linux/syscore_ops.h>
#include <linux/interrupt.h>
@ -2285,7 +2286,7 @@ static int __init early_amd_iommu_init(void)
* never allocate domain 0 because its used as the non-allocated and
* error value placeholder
*/
amd_iommu_pd_alloc_bitmap[0] = 1;
__set_bit(0, amd_iommu_pd_alloc_bitmap);
spin_lock_init(&amd_iommu_pd_lock);