[PATCH] (2/6) alpha fixes

 - missing defines/fields/includes for alpha (accumulated since 2.5.0)

arch/alpha/kernel/semaphore.c

@@ -5,9 +5,9 @@
  * (C) Copyright 1999, 2000 Richard Henderson
  */
 
+#include <linux/errno.h>
 #include <linux/sched.h>
 
-
 /*
  * Semaphores are implemented using a two-way counter:
  * 

include/asm-alpha/mman.h

@@ -4,6 +4,7 @@
 #define PROT_READ	0x1		/* page can be read */
 #define PROT_WRITE	0x2		/* page can be written */
 #define PROT_EXEC	0x4		/* page can be executed */
+#define PROT_SEM	0x8		/* page may be used for atomic ops */
 #define PROT_NONE	0x0		/* page can not be accessed */
 
 #define MAP_SHARED	0x01		/* Share changes */

include/asm-alpha/siginfo.h

@@ -108,6 +108,7 @@ typedef struct siginfo {
 #define SI_ASYNCIO	-4		/* sent by AIO completion */
 #define SI_SIGIO	-5		/* sent by queued SIGIO */
 #define SI_TKILL	-6		/* sent by tkill system call */
+#define SI_DETHREAD	-7		/* sent by execve() killing subsidiary threads */
 
 #define SI_FROMUSER(siptr)	((siptr)->si_code <= 0)
 #define SI_FROMKERNEL(siptr)	((siptr)->si_code > 0)

include/asm-alpha/thread_info.h

@@ -20,6 +20,7 @@ struct thread_info {
 	struct exec_domain	*exec_domain;	/* execution domain */
 	mm_segment_t		addr_limit;	/* thread address space */
 	int			cpu;		/* current CPU */
+	int			preempt_count; /* 0 => preemptable, <0 => BUG */
 
 	int bpt_nsaved;
 	unsigned long bpt_addr[2];		/* breakpoint handling  */
@@ -53,6 +54,8 @@ register struct thread_info *__current_thread_info __asm__("$8");
 
 #endif /* __ASSEMBLY__ */
 
+#define PREEMPT_ACTIVE		0x4000000
+
 /*
  * Thread information flags:
  * - these are process state flags and used from assembly

include/asm-alpha/unistd.h

@@ -528,6 +528,7 @@ static inline long dup(int fd)
 
 static inline long close(int fd)
 {
+	extern long sys_close(unsigned int);
 	return sys_close(fd);
 }
 
@@ -603,6 +604,6 @@ static inline long delete_module(const char *name)
  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
  * but it doesn't work on all toolchains, so we just do it by hand
  */
-#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
+#define cond_syscall(x) asmlinkage long x(void) __attribute__((weak,alias("sys_ni_syscall")));
 
 #endif /* _ALPHA_UNISTD_H */

init/main.c

@@ -271,6 +271,9 @@ static void __init smp_init(void)
 #else
 #define smp_init()	do { } while (0)
 #endif
+static inline void setup_per_cpu_areas(void)
+{
+}
 
 static inline void setup_per_cpu_areas(void)
 {