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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-18 22:33:44 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-01 00:53:11 -0400 |
| commit | 019f96a345b6e23d4e0bc2c136ec5f7500b95834 (patch) | |
| tree | 25fe5b25d9312962b589f8e02778008414b3e75b /arch/frv/kernel | |
| parent | 460dabab73f2f60198c37ed7bf6d192d23eaa286 (diff) | |
| download | lwn-019f96a345b6e23d4e0bc2c136ec5f7500b95834.tar.gz lwn-019f96a345b6e23d4e0bc2c136ec5f7500b95834.zip | |
frv: switch to generic kernel_execve
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/frv/kernel')
| -rw-r--r-- | arch/frv/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/frv/kernel/entry.S | 5 | ||||
| -rw-r--r-- | arch/frv/kernel/kernel_execve.S | 33 |
3 files changed, 6 insertions, 34 deletions
diff --git a/arch/frv/kernel/Makefile b/arch/frv/kernel/Makefile index 7b10bc19106e..3cbb3294b9f9 100644 --- a/arch/frv/kernel/Makefile +++ b/arch/frv/kernel/Makefile @@ -8,7 +8,7 @@ heads-$(CONFIG_MMU) := head-mmu-fr451.o extra-y:= head.o vmlinux.lds obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o \ - kernel_execve.o process.o traps.o ptrace.o signal.o dma.o \ + process.o traps.o ptrace.o signal.o dma.o \ sys_frv.o time.o setup.o frv_ksyms.o \ debug-stub.o irq.o sleep.o uaccess.o diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 7a886130ca10..002732960315 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -871,6 +871,11 @@ ret_from_kernel_thread: calll @(gr21,gr0) bra sys_exit + .globl ret_from_kernel_execve +ret_from_kernel_execve: + ori gr28,0,sp + bra __syscall_exit + ################################################################################################### # # Return to user mode is not as complex as all this looks, diff --git a/arch/frv/kernel/kernel_execve.S b/arch/frv/kernel/kernel_execve.S deleted file mode 100644 index 9b074a16a052..000000000000 --- a/arch/frv/kernel/kernel_execve.S +++ /dev/null @@ -1,33 +0,0 @@ -/* in-kernel program execution - * - * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/linkage.h> -#include <asm/unistd.h> - -############################################################################### -# -# Do a system call from kernel instead of calling sys_execve so we end up with -# proper pt_regs. -# -# int kernel_execve(const char *filename, char *const argv[], char *const envp[]) -# -# On entry: GR8/GR9/GR10: arguments to function -# On return: GR8: syscall return. -# -############################################################################### - .globl kernel_execve - .type kernel_execve,@function -kernel_execve: - setlos __NR_execve,gr7 - tira gr0,#0 - bralr - - .size kernel_execve,.-kernel_execve |