Kill this globally defined wrapper and move to libnvdimm so that we can
ultimately remove include/linux/pmem.h.
Cc: <x86@xxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Jeff Moyer <jmoyer@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/nvdimm/claim.c | 3 ++-
drivers/nvdimm/pmem.c | 2 +-
drivers/nvdimm/pmem.h | 3 +++
include/linux/pmem.h | 19 -------------------
4 files changed, 6 insertions(+), 21 deletions(-)
diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index b8b9c8ca7862..d2e16c0401df 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -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;
}
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 3b87702d46bb..68737bc68a07 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -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;
}
diff --git a/drivers/nvdimm/pmem.h b/drivers/nvdimm/pmem.h
index 9137ec80b85f..d579c7095a45 100644
--- a/drivers/nvdimm/pmem.h
+++ b/drivers/nvdimm/pmem.h
@@ -10,6 +10,9 @@
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 */
diff --git a/include/linux/pmem.h b/include/linux/pmem.h
index 33ae761f010a..559c00848583 100644
--- a/include/linux/pmem.h
+++ b/include/linux/pmem.h
@@ -30,11 +30,6 @@ static inline void arch_memcpy_to_pmem(void *dst, const void *src, size_t n)
{
BUG();
}
-
-static inline void arch_invalidate_pmem(void *addr, size_t size)
-{
- BUG();
-}
#endif
static inline bool arch_has_pmem_api(void)
@@ -61,18 +56,4 @@ static inline void memcpy_to_pmem(void *dst, const void *src, size_t n)
else
memcpy(dst, src, n);
}
-
-/**
- * invalidate_pmem - flush a pmem range from the cache hierarchy
- * @addr: virtual start address
- * @size: bytes to invalidate (internally aligned to cache line size)
- *
- * For platforms that support clearing poison this flushes any poisoned
- * ranges out of the cache
- */
-static inline void invalidate_pmem(void *addr, size_t size)
-{
- if (arch_has_pmem_api())
- arch_invalidate_pmem(addr, size);
-}
#endif /* __PMEM_H__ */
