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Subject[PATCH 2/3] c6x: switch to generic kernel_execve
Date
Signed-off-by: Mark Salter <msalter@redhat.com>
---
arch/c6x/include/asm/unistd.h | 2 ++
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 6d54ea4..1ce3a6f 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 6e6bd9d..32e3683 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
--
1.7.9.1


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