summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2016-06-04 04:06:47 +0300
committerDan Williams <dan.j.williams@intel.com>2016-07-13 05:25:38 +0300
commit7a9eb20666317794d0279843fbd091af93907780 (patch)
tree022accc57a56ee2988f29fe718546b0f1ec5dca0 /drivers
parent7c8a6a71904d57ae5fb24140f9661ec22ca9ee85 (diff)
downloadlinux-7a9eb20666317794d0279843fbd091af93907780.tar.xz
pmem: kill __pmem address space
The __pmem address space was meant to annotate codepaths that touch persistent memory and need to coordinate a call to wmb_pmem(). Now that wmb_pmem() is gone, there is little need to keep this annotation. Cc: Christoph Hellwig <hch@lst.de> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/nfit.h2
-rw-r--r--drivers/block/brd.c4
-rw-r--r--drivers/nvdimm/pmem.c6
-rw-r--r--drivers/nvdimm/pmem.h4
-rw-r--r--drivers/s390/block/dcssblk.c6
5 files changed, 11 insertions, 11 deletions
diff --git a/drivers/acpi/nfit.h b/drivers/acpi/nfit.h
index 9fda77cf81da..80fb2c0ac8bf 100644
--- a/drivers/acpi/nfit.h
+++ b/drivers/acpi/nfit.h
@@ -164,7 +164,7 @@ enum nd_blk_mmio_selector {
struct nd_blk_addr {
union {
void __iomem *base;
- void __pmem *aperture;
+ void *aperture;
};
};
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index c04bd9bc39fd..5f1fe4e6208d 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -381,7 +381,7 @@ static int brd_rw_page(struct block_device *bdev, sector_t sector,
#ifdef CONFIG_BLK_DEV_RAM_DAX
static long brd_direct_access(struct block_device *bdev, sector_t sector,
- void __pmem **kaddr, pfn_t *pfn, long size)
+ void **kaddr, pfn_t *pfn, long size)
{
struct brd_device *brd = bdev->bd_disk->private_data;
struct page *page;
@@ -391,7 +391,7 @@ static long brd_direct_access(struct block_device *bdev, sector_t sector,
page = brd_insert_page(brd, sector);
if (!page)
return -ENOSPC;
- *kaddr = (void __pmem *)page_address(page);
+ *kaddr = page_address(page);
*pfn = page_to_pfn_t(page);
return PAGE_SIZE;
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 8bfc6acc2e43..7251b4b6da84 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -74,7 +74,7 @@ static int pmem_do_bvec(struct pmem_device *pmem, struct page *page,
bool bad_pmem = false;
void *mem = kmap_atomic(page);
phys_addr_t pmem_off = sector * 512 + pmem->data_offset;
- void __pmem *pmem_addr = pmem->virt_addr + pmem_off;
+ void *pmem_addr = pmem->virt_addr + pmem_off;
if (unlikely(is_bad_pmem(&pmem->bb, sector, len)))
bad_pmem = true;
@@ -173,7 +173,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector,
/* see "strong" declaration in tools/testing/nvdimm/pmem-dax.c */
__weak long pmem_direct_access(struct block_device *bdev, sector_t sector,
- void __pmem **kaddr, pfn_t *pfn, long size)
+ void **kaddr, pfn_t *pfn, long size)
{
struct pmem_device *pmem = bdev->bd_queue->queuedata;
resource_size_t offset = sector * 512 + pmem->data_offset;
@@ -284,7 +284,7 @@ static int pmem_attach_disk(struct device *dev,
if (IS_ERR(addr))
return PTR_ERR(addr);
- pmem->virt_addr = (void __pmem *) addr;
+ pmem->virt_addr = addr;
blk_queue_write_cache(q, true, true);
blk_queue_make_request(q, pmem_make_request);
diff --git a/drivers/nvdimm/pmem.h b/drivers/nvdimm/pmem.h
index c48d4e3aa346..b4ee4f71b4a1 100644
--- a/drivers/nvdimm/pmem.h
+++ b/drivers/nvdimm/pmem.h
@@ -6,7 +6,7 @@
#include <linux/fs.h>
long pmem_direct_access(struct block_device *bdev, sector_t sector,
- void __pmem **kaddr, pfn_t *pfn, long size);
+ void **kaddr, pfn_t *pfn, long size);
/* this definition is in it's own header for tools/testing/nvdimm to consume */
struct pmem_device {
/* One contiguous memory region per device */
@@ -14,7 +14,7 @@ struct pmem_device {
/* when non-zero this device is hosting a 'pfn' instance */
phys_addr_t data_offset;
u64 pfn_flags;
- void __pmem *virt_addr;
+ void *virt_addr;
/* immutable base size of the namespace */
size_t size;
/* trim size when namespace capacity has been section aligned */
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index bed53c46dd90..023c5c975dc0 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -31,7 +31,7 @@ static void dcssblk_release(struct gendisk *disk, fmode_t mode);
static blk_qc_t dcssblk_make_request(struct request_queue *q,
struct bio *bio);
static long dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
- void __pmem **kaddr, pfn_t *pfn, long size);
+ void **kaddr, pfn_t *pfn, long size);
static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
@@ -884,7 +884,7 @@ fail:
static long
dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
- void __pmem **kaddr, pfn_t *pfn, long size)
+ void **kaddr, pfn_t *pfn, long size)
{
struct dcssblk_dev_info *dev_info;
unsigned long offset, dev_sz;
@@ -894,7 +894,7 @@ dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
return -ENODEV;
dev_sz = dev_info->end - dev_info->start;
offset = secnum * 512;
- *kaddr = (void __pmem *) (dev_info->start + offset);
+ *kaddr = (void *) dev_info->start + offset;
*pfn = __pfn_to_pfn_t(PFN_DOWN(dev_info->start + offset), PFN_DEV);
return dev_sz - offset;