arch/kmap: don't hard code kmap_prot values
authorIra Weiny <ira.weiny@intel.com>
Thu, 4 Jun 2020 23:47:54 +0000 (16:47 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 5 Jun 2020 02:06:22 +0000 (19:06 -0700)
commitd8c25836fa16496392bfa6a43908d231dd41bfc6
treebfd94f7719fa1371f8d0e5196ac3014f6332a327
parentdb458d73fa35e256bba90b59a6776810800c8bb6
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>
arch/csky/mm/highmem.c
arch/mips/mm/highmem.c
arch/nds32/mm/highmem.c
arch/xtensa/mm/highmem.c