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mn10300: switch to saner kernel_execve() semantics

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-10-11 17:32:41 -04:00
parent ddffeb8c4d
commit ddf23e87a8
3 changed files with 2 additions and 7 deletions
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1
arch/mn10300/Kconfig
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@ -9,6 +9,7 @@ config MN10300
select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
select GENERIC_CLOCKEVENTS select GENERIC_CLOCKEVENTS
select GENERIC_KERNEL_THREAD select GENERIC_KERNEL_THREAD
select GENERIC_KERNEL_EXECVE
select MODULES_USE_ELF_RELA select MODULES_USE_ELF_RELA
config AM33_2 config AM33_2

1
arch/mn10300/include/asm/unistd.h
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@ -44,7 +44,6 @@
#define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_SYS_EXECVE #define __ARCH_WANT_SYS_EXECVE
#define __ARCH_WANT_KERNEL_EXECVE
/* /*
* "Conditional" syscalls * "Conditional" syscalls

7
arch/mn10300/kernel/entry.S
View File

@ -60,13 +60,8 @@ ENTRY(ret_from_kernel_thread)
mov (REG_D0,fp),d0 mov (REG_D0,fp),d0
mov (REG_A0,fp),a0 mov (REG_A0,fp),a0
calls (a0) calls (a0)
jmp sys_exit
ENTRY(ret_from_kernel_execve)
add -12,d0 /* pt_regs -> frame */
mov d0,sp
GET_THREAD_INFO a2
clr d0 clr d0
mov d0,(REG_D0,fp)
jmp syscall_exit jmp syscall_exit
############################################################################### ###############################################################################