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