提交 f0a1bf08 编写于 作者: M Max Filippov 提交者: Chris Zankel

xtensa: switch to generic kernel_execve()

Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
Signed-off-by: NChris Zankel <chris@zankel.net>
上级 3306a726
......@@ -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
......
......@@ -1832,22 +1832,6 @@ ENTRY(system_call)
retw
/*
* 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.
*
......@@ -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)
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