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| author | Max Filippov <jcmvbkbc@gmail.com> | 2012-10-25 09:10:51 +0200 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2012-10-26 00:00:36 +0200 |
| commit | f0a1bf0859ffa059f9009d6a17e8d46241fb2161 (patch) | |
| tree | 9ac202198fd961e3bc7b54bcc9e5501b17bb74ac /arch | |
| parent | xtensa: switch to generic kernel_thread() (diff) | |
| download | linux-f0a1bf0859ffa059f9009d6a17e8d46241fb2161.tar.xz linux-f0a1bf0859ffa059f9009d6a17e8d46241fb2161.zip | |
xtensa: switch to generic kernel_execve()
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/xtensa/Kconfig | 1 | ||||
| -rw-r--r-- | arch/xtensa/kernel/entry.S | 18 |
2 files changed, 2 insertions, 17 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 9525b70a13a1..0d1f36a22c98 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -14,6 +14,7 @@ config XTENSA select MODULES_USE_ELF_RELA select GENERIC_PCI_IOMAP select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE select ARCH_WANT_OPTIONAL_GPIOLIB help Xtensa processors are 32-bit RISC machines designed by Tensilica diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index d4ec1381aebc..90bfc1dbc13d 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -1833,22 +1833,6 @@ ENTRY(system_call) /* - * Do a system call from kernel instead of calling sys_execve, so we end up - * with proper pt_regs. - * - * int kernel_execve(const char *fname, char *const argv[], charg *const envp[]) - * a2 a2 a3 a4 - */ - -ENTRY(kernel_execve) - entry a1, 16 - mov a6, a2 # arg0 is in a6 - movi a2, __NR_execve - syscall - - retw - -/* * Task switch. * * struct task* _switch_to (struct task* prev, struct task* next) @@ -1940,6 +1924,6 @@ ENTRY(ret_from_kernel_thread) call4 schedule_tail mov a6, a3 callx4 a2 - call4 do_exit + j common_exception_return ENDPROC(ret_from_kernel_thread) |