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mips: switch to saner kernel_execve() semantics

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Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-10-11 16:01:20 -04:00
parent baf9ff74ed
commit 9b0e5d42d9
3 changed files with 2 additions and 12 deletions
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1
arch/mips/Kconfig
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@ -41,6 +41,7 @@ config MIPS
select MODULES_USE_ELF_REL
select MODULES_USE_ELF_RELA if 64BIT
select GENERIC_KERNEL_THREAD
select GENERIC_KERNEL_EXECVE
menu "Machine selection"

1
arch/mips/include/asm/unistd.h
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@ -18,7 +18,6 @@
#ifndef __ASSEMBLY__
#define __ARCH_OMIT_COMPAT_SYS_GETDENTS64
#define __ARCH_WANT_KERNEL_EXECVE
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_EXECVE

12
arch/mips/kernel/entry.S
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@ -69,8 +69,7 @@ FEXPORT(ret_from_kernel_thread)
jal schedule_tail # a0 = struct task_struct *prev
move a0, s1
jal s0
li a0, 0
j sys_exit
j syscall_exit
FEXPORT(ret_from_fork)
jal schedule_tail # a0 = struct task_struct *prev
@ -192,15 +191,6 @@ syscall_exit_work:
jal syscall_trace_leave
b resume_userspace
LEAF(ret_from_kernel_execve)
move sp, a0
ori $28, sp, _THREAD_SIZE - 1
xori $28, $28, _THREAD_SIZE - 1
li v0, 0
li a3, 0
j syscall_exit_partial
END(ret_from_kernel_execve)
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT)
/*