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author | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-26 00:50:06 -0500 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-28 18:23:54 -0400 |
commit | 527b5baeada26f9660722b4a498d3855d90f276c (patch) | |
tree | ec626095b5ca841e8237f41a79e9d75cdb90a6de /arch/powerpc/include/asm/uaccess.h | |
parent | d597580d373774b1bdab84b3d26ff0b55162b916 (diff) | |
download | linux-527b5baeada26f9660722b4a498d3855d90f276c.tar.bz2 |
powerpc: switch to extable.h
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/powerpc/include/asm/uaccess.h')
-rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 3904040a3542..b19883f6273c 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -5,6 +5,7 @@ #include <asm/ppc_asm.h> #include <asm/processor.h> #include <asm/page.h> +#include <asm/extable.h> /* * The fs value determines whether argument validity checking should be @@ -56,31 +57,6 @@ __access_ok((__force unsigned long)(addr), (size), get_fs())) /* - * The exception table consists of pairs of relative 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. - */ - -#define ARCH_HAS_RELATIVE_EXTABLE - -struct exception_table_entry { - int insn; - int fixup; -}; - -static inline unsigned long extable_fixup(const struct exception_table_entry *x) -{ - return (unsigned long)&x->fixup + x->fixup; -} - -/* * These are the main single-value transfer routines. They automatically * use the right size if we just have the right pointer type. * |