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x86, libnvdimm, pmem: move arch_invalidate_pmem() to libnvdimm

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Kill this globally defined wrapper and move to libnvdimm so that we can
ultimately remove include/linux/pmem.h and asm/pmem.h.

Cc: <[email protected]>
Cc: Jeff Moyer <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Ross Zwisler <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dan Williams 2017-05-29 23:00:34 -07:00
commit f2b612578e
6 changed files with 13 additions and 26 deletions
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3
drivers/nvdimm/claim.c
View file

@ -14,6 +14,7 @@
#include <linux/sizes.h>
#include <linux/pmem.h>
#include "nd-core.h"
#include "pmem.h"
#include "pfn.h"
#include "btt.h"
#include "nd.h"
@ -272,7 +273,7 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
cleared /= 512;
badblocks_clear(&nsio->bb, sector, cleared);
}
invalidate_pmem(nsio->addr + offset, size);
arch_invalidate_pmem(nsio->addr + offset, size);
} else
rc = -EIO;
}

2
drivers/nvdimm/pmem.c
View file

@ -71,7 +71,7 @@ static int pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset,
badblocks_clear(&pmem->bb, sector, cleared);
}
invalidate_pmem(pmem->virt_addr + offset, len);
arch_invalidate_pmem(pmem->virt_addr + offset, len);
return rc;
}

4
drivers/nvdimm/pmem.h
View file

@ -7,10 +7,14 @@
#ifdef CONFIG_ARCH_HAS_PMEM_API
void arch_wb_cache_pmem(void *addr, size_t size);
void arch_invalidate_pmem(void *addr, size_t size);
#else
static inline void arch_wb_cache_pmem(void *addr, size_t size)
{
}
static inline void arch_invalidate_pmem(void *addr, size_t size)
{
}
#endif
/* this definition is in it's own header for tools/testing/nvdimm to consume */