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authorIra Weiny <ira.weiny@intel.com>2020-06-04 16:47:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-04 19:06:22 -0700
commitd8c25836fa16496392bfa6a43908d231dd41bfc6 (patch)
treebfd94f7719fa1371f8d0e5196ac3014f6332a327 /arch/nds32
parentdb458d73fa35e256bba90b59a6776810800c8bb6 (diff)
downloadlinux-d8c25836fa16496392bfa6a43908d231dd41bfc6.tar.bz2
arch/kmap: don't hard code kmap_prot values
To support kmap_atomic_prot() on all architectures each arch must support protections passed in to them. Change csky, mips, nds32 and xtensa to use their global constant kmap_prot rather than a hard coded value which was equal. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andy Lutomirski <luto@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Christian König <christian.koenig@amd.com> Cc: Chris Zankel <chris@zankel.net> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Helge Deller <deller@gmx.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20200507150004.1423069-10-ira.weiny@intel.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/nds32')
-rw-r--r--arch/nds32/mm/highmem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/nds32/mm/highmem.c b/arch/nds32/mm/highmem.c
index d25c815fda21..b11b88956353 100644
--- a/arch/nds32/mm/highmem.c
+++ b/arch/nds32/mm/highmem.c
@@ -21,7 +21,7 @@ void *kmap_atomic_high(struct page *page)
idx = type + KM_TYPE_NR * smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
- pte = (page_to_pfn(page) << PAGE_SHIFT) | (PAGE_KERNEL);
+ pte = (page_to_pfn(page) << PAGE_SHIFT) | (kmap_prot);
ptep = pte_offset_kernel(pmd_off_k(vaddr), vaddr);
set_pte(ptep, pte);