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authorAl Viro <viro@zeniv.linux.org.uk>2018-03-19 20:48:50 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2018-03-19 20:48:50 -0400
commit3e3511b3c8a5ff68ef7cd3dee8ac9dd9cfe4b2aa (patch)
tree6428635435d180b87db7371625d103f943d703da /arch/sparc
parent0c8efd610b58cb23cefdfa12015799079aef94ae (diff)
sparc: get rid of sys_sparc_pipe() wrappers
just use current_pt_regs() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/entry.S8
-rw-r--r--arch/sparc/kernel/sys_sparc_32.c4
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c4
-rw-r--r--arch/sparc/kernel/syscalls.S3
-rw-r--r--arch/sparc/kernel/systbls.h2
5 files changed, 5 insertions, 16 deletions
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 358fe4ef08a2..b47917939bc5 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -814,14 +814,6 @@ sunos_execv:
clr %i2
.align 4
- .globl sys_sparc_pipe
-sys_sparc_pipe:
- mov %o7, %l5
- add %sp, STACKFRAME_SZ, %o0 ! pt_regs *regs arg
- call sparc_pipe
- mov %l5, %o7
-
- .align 4
.globl sys_sigstack
sys_sigstack:
mov %o7, %l5
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 990703b7cf4d..c47e9423a25c 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -73,7 +73,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though.
*/
-asmlinkage long sparc_pipe(struct pt_regs *regs)
+SYSCALL_DEFINE0(sparc_pipe)
{
int fd[2];
int error;
@@ -81,7 +81,7 @@ asmlinkage long sparc_pipe(struct pt_regs *regs)
error = do_pipe_flags(fd, 0);
if (error)
goto out;
- regs->u_regs[UREG_I1] = fd[1];
+ current_pt_regs()->u_regs[UREG_I1] = fd[1];
error = fd[0];
out:
return error;
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 55416db482ad..c8d759ef783c 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -310,7 +310,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though.
*/
-SYSCALL_DEFINE1(sparc_pipe_real, struct pt_regs *, regs)
+SYSCALL_DEFINE0(sparc_pipe)
{
int fd[2];
int error;
@@ -318,7 +318,7 @@ SYSCALL_DEFINE1(sparc_pipe_real, struct pt_regs *, regs)
error = do_pipe_flags(fd, 0);
if (error)
goto out;
- regs->u_regs[UREG_I1] = fd[1];
+ current_pt_regs()->u_regs[UREG_I1] = fd[1];
error = fd[0];
out:
return error;
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index c5f9ec8c52eb..f4c8fa7a4b35 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -27,9 +27,6 @@ sys32_execveat:
#endif
.align 32
-sys_sparc_pipe:
- ba,pt %xcc, sys_sparc_pipe_real
- add %sp, PTREGS_OFF, %o0
sys_nis_syscall:
ba,pt %xcc, c_sys_nis_syscall
add %sp, PTREGS_OFF, %o0
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index 5a01cfe19a0e..0c9434d980d7 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -10,7 +10,7 @@
#include <asm/utrap.h>
asmlinkage unsigned long sys_getpagesize(void);
-asmlinkage long sparc_pipe(struct pt_regs *regs);
+asmlinkage long sys_sparc_pipe(void);
asmlinkage unsigned long c_sys_nis_syscall(struct pt_regs *regs);
asmlinkage long sys_getdomainname(char __user *name, int len);
void do_rt_sigreturn(struct pt_regs *regs);