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| author | Mark Salter <msalter@redhat.com> | 2012-09-21 18:26:38 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-01 06:59:08 +0200 |
| commit | 39fcf44099dd64679c232c4a7bb81cf469e4e43c (patch) | |
| tree | 52e3e19d2211b7640cc6595746a5fd7474389f9f | |
| parent | c6x: add ret_from_kernel_thread(), simplify kernel_thread() (diff) | |
| download | linux-39fcf44099dd64679c232c4a7bb81cf469e4e43c.tar.xz linux-39fcf44099dd64679c232c4a7bb81cf469e4e43c.zip | |
c6x: switch to generic kernel_execve
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/c6x/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/c6x/kernel/entry.S | 13 |
2 files changed, 8 insertions, 7 deletions
diff --git a/arch/c6x/include/asm/unistd.h b/arch/c6x/include/asm/unistd.h index 6d54ea4262eb..1ce3a6f2372b 100644 --- a/arch/c6x/include/asm/unistd.h +++ b/arch/c6x/include/asm/unistd.h @@ -16,6 +16,8 @@ #if !defined(_ASM_C6X_UNISTD_H) || defined(__SYSCALL) #define _ASM_C6X_UNISTD_H +#define __ARCH_WANT_KERNEL_EXECVE + /* Use the standard ABI for syscalls. */ #include <asm-generic/unistd.h> diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S index 6e6bd9d3d9cc..32e3683da718 100644 --- a/arch/c6x/kernel/entry.S +++ b/arch/c6x/kernel/entry.S @@ -420,6 +420,12 @@ ENTRY(ret_from_kernel_thread) BNOP .S2 B11,5 /* jump to sys_exit */ ENDPROC(ret_from_kernel_thread) +ENTRY(ret_from_kernel_execve) + GET_THREAD_INFO A12 + BNOP .S2 syscall_exit,4 + ADD .D2X A4,-8,SP +ENDPROC(ret_from_kernel_execve) + ;; ;; These are the interrupt handlers, responsible for calling __do_IRQ() ;; int6 is used for syscalls (see _system_call entry) @@ -613,13 +619,6 @@ ENTRY(sys_sigaltstack) NOP 4 ENDPROC(sys_sigaltstack) - ;; kernel_execve -ENTRY(kernel_execve) - MVK .S2 __NR_execve,B0 - SWE - BNOP .S2 B3,5 -ENDPROC(kernel_execve) - ;; ;; Special system calls ;; return address is in B3 |