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c6x: switch to generic sigaltstack

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-23 02:17:09 -05:00
parent 0aa0203fb4
commit 6ec78be4cd
2 changed files with 1 additions and 12 deletions
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1
arch/c6x/Kconfig
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@ -18,6 +18,7 @@ config C6X
select OF_EARLY_FLATTREE select OF_EARLY_FLATTREE
select GENERIC_CLOCKEVENTS select GENERIC_CLOCKEVENTS
select MODULES_USE_ELF_RELA select MODULES_USE_ELF_RELA
select GENERIC_SIGALTSTACK
config MMU config MMU
def_bool n def_bool n

12
arch/c6x/kernel/entry.S
View File

@ -598,18 +598,6 @@ ENTRY(enable_exception)
NOP 5 NOP 5
ENDPROC(enable_exception) ENDPROC(enable_exception)
ENTRY(sys_sigaltstack)
#ifdef CONFIG_C6X_BIG_KERNEL
MVKL .S1 do_sigaltstack,A0 ; branch to do_sigaltstack
MVKH .S1 do_sigaltstack,A0
B .S2X A0
#else
B .S2 do_sigaltstack
#endif
LDW .D2T1 *+SP(REGS_SP+8),A6
NOP 4
ENDPROC(sys_sigaltstack)
;; ;;
;; Special system calls ;; Special system calls
;; return address is in B3 ;; return address is in B3