[SPARC64]: Fix most sparse warnings in arch/sparc64/kernel/sys_sparc.c
authorDavid S. Miller <davem@davemloft.net>
Wed, 26 Mar 2008 08:43:29 +0000 (01:43 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 26 Mar 2008 08:43:29 +0000 (01:43 -0700)
Sparse still doesn't like the funny cast we make from a scalar to a
"union semun" (which is correct by the C language and in particular
works with the sparc64 calling conventions, but sparse doesn't grok
that yet).

Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc64/kernel/entry.h
arch/sparc64/kernel/sys_sparc.c
arch/sparc64/kernel/systbls.h [new file with mode: 0644]

index 4e238a11bdfe1afd711c9901741b95c41fc8ce34..129a2f133d6737fc2fd6142015e2a260cea5cad3 100644 (file)
@@ -14,6 +14,8 @@ extern void __init boot_cpu_id_too_large(int cpu);
 extern unsigned int dcache_parity_tl1_occurred;
 extern unsigned int icache_parity_tl1_occurred;
 
+extern asmlinkage void update_perfctrs(void);
+extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
 extern void timer_interrupt(int irq, struct pt_regs *regs);
 
 extern asmlinkage void syscall_trace(struct pt_regs *regs,
index 134d801579f92e5ce10a274e1de080b5702ca113..f952745d0f3d964605e6008f6f567de72a49855e 100644 (file)
@@ -1,5 +1,4 @@
-/* $Id: sys_sparc.c,v 1.57 2002/02/09 19:49:30 davem Exp $
- * linux/arch/sparc64/kernel/sys_sparc.c
+/* linux/arch/sparc64/kernel/sys_sparc.c
  *
  * This file contains various random system calls that
  * have a non-standard calling sequence on the Linux/sparc
@@ -30,6 +29,9 @@
 #include <asm/perfctr.h>
 #include <asm/unistd.h>
 
+#include "entry.h"
+#include "systbls.h"
+
 /* #define DEBUG_UNIMP_SYSCALL */
 
 asmlinkage unsigned long sys_getpagesize(void)
@@ -445,7 +447,8 @@ asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
                        goto out;
                case SEMTIMEDOP:
                        err = sys_semtimedop(first, ptr, (unsigned)second,
-                               (const struct timespec __user *) fifth);
+                               (const struct timespec __user *)
+                                            (unsigned long) fifth);
                        goto out;
                case SEMGET:
                        err = sys_semget(first, (int)second, (int)third);
@@ -788,7 +791,7 @@ asmlinkage long sys_utrap_install(utrap_entry_t type,
        } else {
                if ((utrap_handler_t)current_thread_info()->utraps[type] != new_p &&
                    current_thread_info()->utraps[0] > 1) {
-                       long *p = current_thread_info()->utraps;
+                       unsigned long *p = current_thread_info()->utraps;
 
                        current_thread_info()->utraps =
                                kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long),
@@ -816,7 +819,8 @@ asmlinkage long sys_utrap_install(utrap_entry_t type,
        return 0;
 }
 
-long sparc_memory_ordering(unsigned long model, struct pt_regs *regs)
+asmlinkage long sparc_memory_ordering(unsigned long model,
+                                     struct pt_regs *regs)
 {
        if (model >= 3)
                return -EINVAL;
diff --git a/arch/sparc64/kernel/systbls.h b/arch/sparc64/kernel/systbls.h
new file mode 100644 (file)
index 0000000..3416182
--- /dev/null
@@ -0,0 +1,45 @@
+#ifndef _SYSTBLS_H
+#define _SYSTBLS_H
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <asm/utrap.h>
+
+extern asmlinkage unsigned long sys_getpagesize(void);
+extern asmlinkage unsigned long sparc_brk(unsigned long brk);
+extern asmlinkage long sparc_pipe(struct pt_regs *regs);
+extern asmlinkage long sys_ipc(unsigned int call, int first,
+                              unsigned long second,
+                              unsigned long third,
+                              void __user *ptr, long fifth);
+extern asmlinkage long sparc64_newuname(struct new_utsname __user *name);
+extern asmlinkage long sparc64_personality(unsigned long personality);
+extern asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
+                                        unsigned long prot, unsigned long flags,
+                                        unsigned long fd, unsigned long off);
+extern asmlinkage long sys64_munmap(unsigned long addr, size_t len);
+extern asmlinkage unsigned long sys64_mremap(unsigned long addr,
+                                            unsigned long old_len,
+                                            unsigned long new_len,
+                                            unsigned long flags,
+                                            unsigned long new_addr);
+extern asmlinkage unsigned long c_sys_nis_syscall(struct pt_regs *regs);
+extern asmlinkage long sys_getdomainname(char __user *name, int len);
+extern asmlinkage long solaris_syscall(struct pt_regs *regs);
+extern asmlinkage long sunos_syscall(struct pt_regs *regs);
+extern asmlinkage long sys_utrap_install(utrap_entry_t type,
+                                        utrap_handler_t new_p,
+                                        utrap_handler_t new_d,
+                                        utrap_handler_t __user *old_p,
+                                        utrap_handler_t __user *old_d);
+extern asmlinkage long sparc_memory_ordering(unsigned long model,
+                                            struct pt_regs *regs);
+extern asmlinkage long sys_rt_sigaction(int sig,
+                                       const struct sigaction __user *act,
+                                       struct sigaction __user *oact,
+                                       void __user *restorer,
+                                       size_t sigsetsize);
+extern asmlinkage long sys_perfctr(int opcode, unsigned long arg0,
+                                  unsigned long arg1, unsigned long arg2);
+
+#endif /* _SYSTBLS_H */