diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-19 13:18:20 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-01 00:53:59 -0400 |
| commit | 6e75421014cd02cc66298d35c4667e493da78914 (patch) | |
| tree | b8c917bb766efc2396a7693b305e33e0c37e3a53 /arch/mn10300/include | |
| parent | 8f1597e959a3cfeae8f5cfae26890710f9092443 (diff) | |
mn10300: switch to generic kernel_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/mn10300/include')
| -rw-r--r-- | arch/mn10300/include/asm/frame.inc | 2 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/processor.h | 13 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/unistd.h | 1 |
3 files changed, 5 insertions, 11 deletions
diff --git a/arch/mn10300/include/asm/frame.inc b/arch/mn10300/include/asm/frame.inc index 2ee58e3eb6b..1c3eb4fda95 100644 --- a/arch/mn10300/include/asm/frame.inc +++ b/arch/mn10300/include/asm/frame.inc @@ -61,7 +61,7 @@ ############################################################################### .macro RESTORE_ALL # peel back the stack to the calling frame - # - this permits execve() to discard extra frames due to kernel syscalls + # - we need that when returning from interrupts to kernel mode GET_THREAD_INFO a0 mov (TI_frame,a0),fp mov fp,sp diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h index 247928c9f54..0b844a25406 100644 --- a/arch/mn10300/include/asm/processor.h +++ b/arch/mn10300/include/asm/processor.h @@ -119,20 +119,13 @@ struct thread_struct { /* * do necessary setup to start up a newly executed thread - * - need to discard the frame stacked by the kernel thread invoking the execve - * syscall (see RESTORE_ALL macro) */ static inline void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned long new_sp) { - struct thread_info *ti = current_thread_info(); - struct pt_regs *frame0; - - frame0 = thread_info_to_uregs(ti); - frame0->epsw = EPSW_nSL | EPSW_IE | EPSW_IM; - frame0->pc = new_pc; - frame0->sp = new_sp; - ti->frame = frame0; + regs->epsw = EPSW_nSL | EPSW_IE | EPSW_IM; + regs->pc = new_pc; + regs->sp = new_sp; } diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h index a965de47b2b..044c770adbb 100644 --- a/arch/mn10300/include/asm/unistd.h +++ b/arch/mn10300/include/asm/unistd.h @@ -383,6 +383,7 @@ #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls |