[MIPS] Rename MIPS sys_pipe syscall entry point to something MIPS-specific.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
parent
4914ad4a9f
commit
8213bbf9c1
|
@ -354,7 +354,7 @@ einval: li v0, -EINVAL
|
|||
sys sys_mkdir 2
|
||||
sys sys_rmdir 1 /* 4040 */
|
||||
sys sys_dup 1
|
||||
sys sys_pipe 0
|
||||
sys sysm_pipe 0
|
||||
sys sys_times 1
|
||||
sys sys_ni_syscall 0
|
||||
sys sys_brk 1 /* 4045 */
|
||||
|
|
|
@ -219,7 +219,7 @@ sys_call_table:
|
|||
PTR sys_readv
|
||||
PTR sys_writev
|
||||
PTR sys_access /* 5020 */
|
||||
PTR sys_pipe
|
||||
PTR sysm_pipe
|
||||
PTR sys_select
|
||||
PTR sys_sched_yield
|
||||
PTR sys_mremap
|
||||
|
|
|
@ -141,7 +141,7 @@ EXPORT(sysn32_call_table)
|
|||
PTR compat_sys_readv
|
||||
PTR compat_sys_writev
|
||||
PTR sys_access /* 6020 */
|
||||
PTR sys_pipe
|
||||
PTR sysm_pipe
|
||||
PTR compat_sys_select
|
||||
PTR sys_sched_yield
|
||||
PTR sys_mremap
|
||||
|
|
|
@ -247,7 +247,7 @@ sys_call_table:
|
|||
PTR sys_mkdir
|
||||
PTR sys_rmdir /* 4040 */
|
||||
PTR sys_dup
|
||||
PTR sys_pipe
|
||||
PTR sysm_pipe
|
||||
PTR compat_sys_times
|
||||
PTR sys_ni_syscall
|
||||
PTR sys_brk /* 4045 */
|
||||
|
|
|
@ -40,7 +40,14 @@
|
|||
#include <asm/sysmips.h>
|
||||
#include <asm/uaccess.h>
|
||||
|
||||
asmlinkage int sys_pipe(nabi_no_regargs volatile struct pt_regs regs)
|
||||
/*
|
||||
* For historic reasons the pipe(2) syscall on MIPS has an unusual calling
|
||||
* convention. It returns results in registers $v0 / $v1 which means there
|
||||
* is no need for it to do verify the validity of a userspace pointer
|
||||
* argument. Historically that used to be expensive in Linux. These days
|
||||
* the performance advantage is negligible.
|
||||
*/
|
||||
asmlinkage int sysm_pipe(nabi_no_regargs volatile struct pt_regs regs)
|
||||
{
|
||||
int fd[2];
|
||||
int error, res;
|
||||
|
|
Loading…
Reference in a new issue