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ia64/extable: use generic search and sort routines

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Replace the arch specific versions of search_extable() and
sort_extable() with calls to the generic ones, which now support
relative exception tables as well.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ard Biesheuvel
2016-03-22 14:28:20 -07:00
committed by Linus Torvalds
parent 29934b0fb8
commit 8fe9752ef1
2 changed files with 4 additions and 101 deletions
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8
arch/ia64/include/asm/uaccess.h
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@@ -341,13 +341,11 @@ extern unsigned long __strnlen_user (const char __user *, long);
__su_ret; \
})
/* Generic code can't deal with the location-relative format that we use for compactness. */
#define ARCH_HAS_SORT_EXTABLE
#define ARCH_HAS_SEARCH_EXTABLE
#define ARCH_HAS_RELATIVE_EXTABLE
struct exception_table_entry {
int addr; /* location-relative address of insn this fixup is for */
int cont; /* location-relative continuation addr.; if bit 2 is set, r9 is set to 0 */
int insn; /* location-relative address of insn this fixup is for */
int fixup; /* location-relative continuation addr.; if bit 2 is set, r9 is set to 0 */
};
extern void ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e);