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| author | Dan Williams <dan.j.williams@intel.com> | 2015-08-12 18:42:56 -0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2015-08-14 13:23:28 -0400 |
| commit | e836a256e8fd579c9d7a3685f22981225a1ca451 (patch) | |
| tree | 4e593c8b96e0a46153af72780c6edd44dd6a2418 /tools | |
| parent | 3103dc0304fd9c8ab576977cd98140d4fbac1730 (diff) | |
| download | linux-stable-e836a256e8fd579c9d7a3685f22981225a1ca451.tar.gz linux-stable-e836a256e8fd579c9d7a3685f22981225a1ca451.tar.bz2 linux-stable-e836a256e8fd579c9d7a3685f22981225a1ca451.zip | |
pmem: convert to generic memremap
Kill arch_memremap_pmem() and just let the architecture specify the
flags to be passed to memremap(). Default to writethrough by default.
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/nvdimm/Kbuild | 4 | ||||
| -rw-r--r-- | tools/testing/nvdimm/test/iomap.c | 34 |
2 files changed, 27 insertions, 11 deletions
diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild index f56914c7929b..8032a49f7873 100644 --- a/tools/testing/nvdimm/Kbuild +++ b/tools/testing/nvdimm/Kbuild @@ -1,7 +1,7 @@ -ldflags-y += --wrap=ioremap_wt ldflags-y += --wrap=ioremap_wc ldflags-y += --wrap=devm_ioremap_nocache -ldflags-y += --wrap=ioremap_cache +ldflags-y += --wrap=memremap +ldflags-y += --wrap=memunmap ldflags-y += --wrap=ioremap_nocache ldflags-y += --wrap=iounmap ldflags-y += --wrap=__request_region diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index 64bfaa50831c..21288f34a5ca 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -80,11 +80,20 @@ void __iomem *__wrap_devm_ioremap_nocache(struct device *dev, } EXPORT_SYMBOL(__wrap_devm_ioremap_nocache); -void __iomem *__wrap_ioremap_cache(resource_size_t offset, unsigned long size) +void *__wrap_memremap(resource_size_t offset, size_t size, + unsigned long flags) { - return __nfit_test_ioremap(offset, size, ioremap_cache); + struct nfit_test_resource *nfit_res; + + rcu_read_lock(); + nfit_res = get_nfit_res(offset); + rcu_read_unlock(); + if (nfit_res) + return (void __iomem *) nfit_res->buf + offset + - nfit_res->res->start; + return memremap(offset, size, flags); } -EXPORT_SYMBOL(__wrap_ioremap_cache); +EXPORT_SYMBOL(__wrap_memremap); void __iomem *__wrap_ioremap_nocache(resource_size_t offset, unsigned long size) { @@ -92,12 +101,6 @@ void __iomem *__wrap_ioremap_nocache(resource_size_t offset, unsigned long size) } EXPORT_SYMBOL(__wrap_ioremap_nocache); -void __iomem *__wrap_ioremap_wt(resource_size_t offset, unsigned long size) -{ - return __nfit_test_ioremap(offset, size, ioremap_wt); -} -EXPORT_SYMBOL(__wrap_ioremap_wt); - void __iomem *__wrap_ioremap_wc(resource_size_t offset, unsigned long size) { return __nfit_test_ioremap(offset, size, ioremap_wc); @@ -117,6 +120,19 @@ void __wrap_iounmap(volatile void __iomem *addr) } EXPORT_SYMBOL(__wrap_iounmap); +void __wrap_memunmap(void *addr) +{ + struct nfit_test_resource *nfit_res; + + rcu_read_lock(); + nfit_res = get_nfit_res((unsigned long) addr); + rcu_read_unlock(); + if (nfit_res) + return; + return memunmap(addr); +} +EXPORT_SYMBOL(__wrap_memunmap); + struct resource *__wrap___request_region(struct resource *parent, resource_size_t start, resource_size_t n, const char *name, int flags) |