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authorIra Weiny <ira.weiny@intel.com>2020-06-05 02:47:50 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-05 05:06:22 +0300
commitdb458d73fa35e256bba90b59a6776810800c8bb6 (patch)
treeadd80979cbf473f5df1d22f32ad6bbb4a50f6729 /arch/microblaze
parentabca2500c0c1b20c3e552f259da4c4a99db3b4d1 (diff)
downloadlinux-db458d73fa35e256bba90b59a6776810800c8bb6.tar.xz
arch/kmap: ensure kmap_prot visibility
We want to support kmap_atomic_prot() on all architectures and it makes sense to define kmap_atomic() to use the default kmap_prot. So we ensure all arch's have a globally available kmap_prot either as a define or exported symbol. 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/20200507150004.1423069-9-ira.weiny@intel.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/microblaze')
-rw-r--r--arch/microblaze/include/asm/highmem.h2
-rw-r--r--arch/microblaze/mm/init.c3
2 files changed, 1 insertions, 4 deletions
diff --git a/arch/microblaze/include/asm/highmem.h b/arch/microblaze/include/asm/highmem.h
index c3cbda90391d..90d96239152f 100644
--- a/arch/microblaze/include/asm/highmem.h
+++ b/arch/microblaze/include/asm/highmem.h
@@ -25,8 +25,8 @@
#include <linux/uaccess.h>
#include <asm/fixmap.h>
+#define kmap_prot PAGE_KERNEL
extern pte_t *kmap_pte;
-extern pgprot_t kmap_prot;
extern pte_t *pkmap_page_table;
/*
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index dcaa53d11339..d943f69784b1 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -49,8 +49,6 @@ unsigned long lowmem_size;
#ifdef CONFIG_HIGHMEM
pte_t *kmap_pte;
EXPORT_SYMBOL(kmap_pte);
-pgprot_t kmap_prot;
-EXPORT_SYMBOL(kmap_prot);
static inline pte_t *virt_to_kpte(unsigned long vaddr)
{
@@ -68,7 +66,6 @@ static void __init highmem_init(void)
pkmap_page_table = virt_to_kpte(PKMAP_BASE);
kmap_pte = virt_to_kpte(__fix_to_virt(FIX_KMAP_BEGIN));
- kmap_prot = PAGE_KERNEL;
}
static void highmem_setup(void)