The patch titled
xtensa: use generic sys_pipe()
has been removed from the -mm tree. Its filename was
xtensa-use-generic-sys_pipe.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: xtensa: use generic sys_pipe()
From: Amerigo Wang <xiyou.wangcong@xxxxxxxxx>
As suggested by Al, we can use the generic sys_pipe() instead of
xtensa_pipe() for xtensa.
Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
Reviewed-by: Johannes Weiner <jw@xxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/xtensa/include/asm/syscall.h | 1 -
arch/xtensa/include/asm/unistd.h | 2 +-
arch/xtensa/kernel/syscall.c | 18 ------------------
3 files changed, 1 insertion(+), 20 deletions(-)
diff -puN arch/xtensa/include/asm/syscall.h~xtensa-use-generic-sys_pipe arch/xtensa/include/asm/syscall.h
--- a/arch/xtensa/include/asm/syscall.h~xtensa-use-generic-sys_pipe
+++ a/arch/xtensa/include/asm/syscall.h
@@ -12,7 +12,6 @@ struct pt_regs;
struct sigaction;
asmlinkage long xtensa_execve(char*, char**, char**, struct pt_regs*);
asmlinkage long xtensa_clone(unsigned long, unsigned long, struct pt_regs*);
-asmlinkage long xtensa_pipe(int __user *);
asmlinkage long xtensa_ptrace(long, long, long, long);
asmlinkage long xtensa_sigreturn(struct pt_regs*);
asmlinkage long xtensa_rt_sigreturn(struct pt_regs*);
diff -puN arch/xtensa/include/asm/unistd.h~xtensa-use-generic-sys_pipe arch/xtensa/include/asm/unistd.h
--- a/arch/xtensa/include/asm/unistd.h~xtensa-use-generic-sys_pipe
+++ a/arch/xtensa/include/asm/unistd.h
@@ -94,7 +94,7 @@ __SYSCALL( 35, sys_readlink, 3)
#define __NR_mknod 36
__SYSCALL( 36, sys_mknod, 3)
#define __NR_pipe 37
-__SYSCALL( 37, xtensa_pipe, 1)
+__SYSCALL( 37, sys_pipe, 1)
#define __NR_unlink 38
__SYSCALL( 38, sys_unlink, 1)
#define __NR_rmdir 39
diff -puN arch/xtensa/kernel/syscall.c~xtensa-use-generic-sys_pipe arch/xtensa/kernel/syscall.c
--- a/arch/xtensa/kernel/syscall.c~xtensa-use-generic-sys_pipe
+++ a/arch/xtensa/kernel/syscall.c
@@ -39,24 +39,6 @@ syscall_t sys_call_table[__NR_syscall_co
#include <asm/unistd.h>
};
-/*
- * xtensa_pipe() is the normal C calling standard for creating a pipe. It's not
- * the way unix traditional does this, though.
- */
-
-asmlinkage long xtensa_pipe(int __user *userfds)
-{
- int fd[2];
- int error;
-
- error = do_pipe_flags(fd, 0);
- if (!error) {
- if (copy_to_user(userfds, fd, 2 * sizeof(int)))
- error = -EFAULT;
- }
- return error;
-}
-
asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg)
{
unsigned long ret;
_
Patches currently in -mm which might be from xiyou.wangcong@xxxxxxxxx are
origin.patch
linux-next.patch
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