x86, extable: Remove open-coded exception table entries in arch/x86/lib/csum-copy_64.S

Remove open-coded exception table entries in arch/x86/lib/csum-copy_64.S,
and replace them with _ASM_EXTABLE() macros; this will allow us to
change the format and type of the exception table entries.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: David Daney <david.daney@cavium.com>
Link: http://lkml.kernel.org/r/CA%2B55aFyijf43qSu3N9nWHEBwaGbb7T2Oq9A=9EyR=Jtyqfq_cQ@mail.gmail.com
This commit is contained in:
H. Peter Anvin 2012-04-20 12:19:51 -07:00
parent 0d8559feaf
commit 015e6f11a9

View File

@ -8,6 +8,7 @@
#include <linux/linkage.h> #include <linux/linkage.h>
#include <asm/dwarf2.h> #include <asm/dwarf2.h>
#include <asm/errno.h> #include <asm/errno.h>
#include <asm/asm.h>
/* /*
* Checksum copy with exception handling. * Checksum copy with exception handling.
@ -31,26 +32,17 @@
.macro source .macro source
10: 10:
.section __ex_table, "a" _ASM_EXTABLE(10b, .Lbad_source)
.align 8
.quad 10b, .Lbad_source
.previous
.endm .endm
.macro dest .macro dest
20: 20:
.section __ex_table, "a" _ASM_EXTABLE(20b, .Lbad_dest)
.align 8
.quad 20b, .Lbad_dest
.previous
.endm .endm
.macro ignore L=.Lignore .macro ignore L=.Lignore
30: 30:
.section __ex_table, "a" _ASM_EXTABLE(30b, \L)
.align 8
.quad 30b, \L
.previous
.endm .endm