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author | David S. Miller <davem@davemloft.net> | 2019-02-20 00:34:07 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2019-02-20 00:34:07 -0800 |
commit | 375ca548f7e3ac82acdd0959eddd1fa0e17c35cc (patch) | |
tree | 5360dc427e4eff7123613419ee522b7fda831de0 /arch/csky/mm/ioremap.c | |
parent | 58066ac9d7f5dcde4ef08c03b7e127f0522d9ea0 (diff) | |
parent | 40e196a906d969fd10d885c692d2674b3d657006 (diff) | |
download | linux-375ca548f7e3ac82acdd0959eddd1fa0e17c35cc.tar.gz linux-375ca548f7e3ac82acdd0959eddd1fa0e17c35cc.tar.bz2 linux-375ca548f7e3ac82acdd0959eddd1fa0e17c35cc.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two easily resolvable overlapping change conflicts, one in
TCP and one in the eBPF verifier.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/csky/mm/ioremap.c')
-rw-r--r-- | arch/csky/mm/ioremap.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/csky/mm/ioremap.c b/arch/csky/mm/ioremap.c index cb7c03e5cd21..8473b6bdf512 100644 --- a/arch/csky/mm/ioremap.c +++ b/arch/csky/mm/ioremap.c @@ -46,3 +46,17 @@ void iounmap(void __iomem *addr) vunmap((void *)((unsigned long)addr & PAGE_MASK)); } EXPORT_SYMBOL(iounmap); + +pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot) +{ + if (!pfn_valid(pfn)) { + vma_prot.pgprot |= _PAGE_SO; + return pgprot_noncached(vma_prot); + } else if (file->f_flags & O_SYNC) { + return pgprot_noncached(vma_prot); + } + + return vma_prot; +} +EXPORT_SYMBOL(phys_mem_access_prot); |