diff options
author | Dan Williams <dan.j.williams@intel.com> | 2016-06-04 04:06:47 +0300 |
---|---|---|
committer | Dan Williams <dan.j.williams@intel.com> | 2016-07-13 05:25:38 +0300 |
commit | 7a9eb20666317794d0279843fbd091af93907780 (patch) | |
tree | 022accc57a56ee2988f29fe718546b0f1ec5dca0 /drivers | |
parent | 7c8a6a71904d57ae5fb24140f9661ec22ca9ee85 (diff) | |
download | linux-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.h | 2 | ||||
-rw-r--r-- | drivers/block/brd.c | 4 | ||||
-rw-r--r-- | drivers/nvdimm/pmem.c | 6 | ||||
-rw-r--r-- | drivers/nvdimm/pmem.h | 4 | ||||
-rw-r--r-- | drivers/s390/block/dcssblk.c | 6 |
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; |