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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-13 02:35:21 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-15 12:51:17 -0400 |
| commit | 5e7d7333914ed5a01d70d5859068faf03b6779f2 (patch) | |
| tree | 0c70a1743566664363af2245a3c8a03a55289679 /arch/c6x | |
| parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) | |
| download | lwn-5e7d7333914ed5a01d70d5859068faf03b6779f2.tar.gz lwn-5e7d7333914ed5a01d70d5859068faf03b6779f2.zip | |
c6x: switch to saner kernel_execve() semantics
ACKed-by: Mark Salter <msalter@redhat.com>
Tested-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/c6x')
| -rw-r--r-- | arch/c6x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/c6x/include/uapi/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/c6x/kernel/entry.S | 12 |
3 files changed, 2 insertions, 12 deletions
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index aee1b569ee6e..66eab3703c75 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig @@ -18,6 +18,7 @@ config C6X select OF_EARLY_FLATTREE select GENERIC_CLOCKEVENTS select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE select MODULES_USE_ELF_RELA config MMU diff --git a/arch/c6x/include/uapi/asm/unistd.h b/arch/c6x/include/uapi/asm/unistd.h index 4ff747d12dad..625beafb9cd1 100644 --- a/arch/c6x/include/uapi/asm/unistd.h +++ b/arch/c6x/include/uapi/asm/unistd.h @@ -14,7 +14,6 @@ * more details. */ -#define __ARCH_WANT_KERNEL_EXECVE #define __ARCH_WANT_SYS_EXECVE /* Use the standard ABI for syscalls. */ diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S index 5449c36018fe..75f6f36472cf 100644 --- a/arch/c6x/kernel/entry.S +++ b/arch/c6x/kernel/entry.S @@ -413,19 +413,9 @@ ENTRY(ret_from_kernel_thread) 0: B .S2 B10 /* call fn */ LDW .D2T1 *+SP(REGS_A1+8),A4 /* get arg */ - MVKL .S2 sys_exit,B11 - MVKH .S2 sys_exit,B11 - ADDKPC .S2 0f,B3,1 -0: - BNOP .S2 B11,5 /* jump to sys_exit */ + ADDKPC .S2 ret_from_fork_2,B3,3 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) |