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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/nvdimm
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/nvdimm')
-rw-r--r--drivers/nvdimm/pmem.c6
-rw-r--r--drivers/nvdimm/pmem.h4
2 files changed, 5 insertions, 5 deletions
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 */