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authorAl Viro <viro@zeniv.linux.org.uk>2016-12-26 08:48:37 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2017-03-29 01:23:55 +0300
commite70f1d59be747a959c240bf2fe2ea9489b629496 (patch)
tree58f770df4f007d4e3e9da6f95195b46e7cb9ba3b /arch/s390/include/asm/uaccess.h
parentd597580d373774b1bdab84b3d26ff0b55162b916 (diff)
downloadlinux-e70f1d59be747a959c240bf2fe2ea9489b629496.tar.xz
s390: switch to extable.h
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/s390/include/asm/uaccess.h')
-rw-r--r--arch/s390/include/asm/uaccess.h26
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 7228ed8da67d..29f5bf24e5fa 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -14,6 +14,7 @@
*/
#include <asm/processor.h>
#include <asm/ctl_reg.h>
+#include <asm/extable.h>
/*
@@ -59,31 +60,6 @@ static inline int __range_ok(unsigned long addr, unsigned long size)
#define access_ok(type, addr, size) __access_ok(addr, size)
-/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
- *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path. This means when everything is well,
- * we don't even have to jump over them. Further, they do not intrude
- * on our cache or tlb entries.
- */
-
-struct exception_table_entry
-{
- int insn, fixup;
-};
-
-static inline unsigned long extable_fixup(const struct exception_table_entry *x)
-{
- return (unsigned long)&x->fixup + x->fixup;
-}
-
-#define ARCH_HAS_RELATIVE_EXTABLE
-
/**
* __copy_from_user: - Copy a block of data from user space, with less checking.
* @to: Destination address, in kernel space.