x86, extable: Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S
authorH. Peter Anvin <hpa@zytor.com>
Fri, 20 Apr 2012 19:19:50 +0000 (12:19 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Fri, 20 Apr 2012 20:51:38 +0000 (13:51 -0700)
Remove open-coded exception table entries in arch/x86/ia32/ia32entry.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
arch/x86/ia32/ia32entry.S

index e3e7340..eb48edd 100644 (file)
@@ -13,6 +13,7 @@
 #include <asm/thread_info.h>   
 #include <asm/segment.h>
 #include <asm/irqflags.h>
+#include <asm/asm.h>
 #include <linux/linkage.h>
 #include <linux/err.h>
 
@@ -146,9 +147,7 @@ ENTRY(ia32_sysenter_target)
        /* no need to do an access_ok check here because rbp has been
           32bit zero extended */ 
 1:     movl    (%rbp),%ebp
-       .section __ex_table,"a"
-       .quad 1b,ia32_badarg
-       .previous       
+       _ASM_EXTABLE(1b,ia32_badarg)
        orl     $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
        testl   $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
        CFI_REMEMBER_STATE