From e836a256e8fd579c9d7a3685f22981225a1ca451 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Wed, 12 Aug 2015 18:42:56 -0400 Subject: 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 Reviewed-by: Christoph Hellwig Reviewed-by: Ross Zwisler Signed-off-by: Dan Williams --- tools/testing/nvdimm/test/iomap.c | 34 +++++++++++++++++++++++++--------- 1 file changed, 25 insertions(+), 9 deletions(-) (limited to 'tools/testing/nvdimm/test/iomap.c') 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) -- cgit v1.2.3-59-g8ed1b