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author | H. Peter Anvin <hpa@zytor.com> | 2010-02-10 16:55:28 -0800 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-10 16:55:28 -0800 |
commit | 84abd88a70090cf00f9e45c3a81680874f17626e (patch) | |
tree | 4f58b80057f6e1f5817af1dc33a5458b3dfc9a99 /arch/x86/mm/extable.c | |
parent | 13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff) | |
parent | e28cab42f384745c8a947a9ccd51e4aae52f5d51 (diff) |
Merge remote branch 'linus/master' into x86/bootmem
Diffstat (limited to 'arch/x86/mm/extable.c')
-rw-r--r-- | arch/x86/mm/extable.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c index 61b41ca3b5a2..d0474ad2a6e5 100644 --- a/arch/x86/mm/extable.c +++ b/arch/x86/mm/extable.c @@ -35,34 +35,3 @@ int fixup_exception(struct pt_regs *regs) return 0; } - -#ifdef CONFIG_X86_64 -/* - * Need to defined our own search_extable on X86_64 to work around - * a B stepping K8 bug. - */ -const struct exception_table_entry * -search_extable(const struct exception_table_entry *first, - const struct exception_table_entry *last, - unsigned long value) -{ - /* B stepping K8 bug */ - if ((value >> 32) == 0) - value |= 0xffffffffUL << 32; - - while (first <= last) { - const struct exception_table_entry *mid; - long diff; - - mid = (last - first) / 2 + first; - diff = mid->insn - value; - if (diff == 0) - return mid; - else if (diff < 0) - first = mid+1; - else - last = mid-1; - } - return NULL; -} -#endif |