Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

[pandora-kernel.git] / arch / sparc64 / solaris / misc.c

diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c
index 15b4cfe..719c909 100644 (file)
--- a/arch/sparc64/solaris/misc.c
+++ b/arch/sparc64/solaris/misc.c
@@ -23,6 +23,7 @@
 #include <asm/oplib.h>
 #include <asm/idprom.h>
 #include <asm/smp.h>
+#include <asm/prom.h>
 
 #include "conv.h"
 
@@ -90,7 +91,7 @@ static u32 do_solaris_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u64 o
        len = PAGE_ALIGN(len);
        if(!(flags & MAP_FIXED))
                addr = 0;
-       else if (len > 0xf0000000UL || addr > 0xf0000000UL - len)
+       else if (len > STACK_TOP32 || addr > STACK_TOP32 - len)
                goto out_putf;
        ret_type = flags & _MAP_NEW;
        flags &= ~_MAP_NEW;
@@ -102,7 +103,7 @@ static u32 do_solaris_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u64 o
                         (unsigned long) prot, (unsigned long) flags, off);
        up_write(&current->mm->mmap_sem);
        if(!ret_type)
-               retval = ((retval < 0xf0000000) ? 0 : retval);
+               retval = ((retval < STACK_TOP32) ? 0 : retval);
                                
 out_putf:
        if (file)
@@ -194,14 +195,17 @@ static char *machine(void)
        }
 }
 
-static char *platform(char *buffer)
+static char *platform(char *buffer, int sz)
 {
+       struct device_node *dp = of_find_node_by_path("/");
        int len;
 
        *buffer = 0;
-       len = prom_getproperty(prom_root_node, "name", buffer, 256);
-       if(len > 0)
-               buffer[len] = 0;
+       len = strlen(dp->name);
+       if (len > sz)
+               len = sz;
+       memcpy(buffer, dp->name, len);
+       buffer[len] = 0;
        if (*buffer) {
                char *p;
 
@@ -213,16 +217,22 @@ static char *platform(char *buffer)
        return "sun4u";
 }
 
-static char *serial(char *buffer)
+static char *serial(char *buffer, int sz)
 {
-       int node = prom_getchild(prom_root_node);
+       struct device_node *dp = of_find_node_by_path("/options");
        int len;
 
-       node = prom_searchsiblings(node, "options");
        *buffer = 0;
-       len = prom_getproperty(node, "system-board-serial#", buffer, 256);
-       if(len > 0)
-               buffer[len] = 0;
+       if (dp) {
+               char *val = of_get_property(dp, "system-board-serial#", &len);
+
+               if (val && len > 0) {
+                       if (len > sz)
+                               len = sz;
+                       memcpy(buffer, val, len);
+                       buffer[len] = 0;
+               }
+       }
        if (!*buffer)
                return "4512348717234";
        else
@@ -305,8 +315,8 @@ asmlinkage int solaris_sysinfo(int cmd, u32 buf, s32 count)
        case SI_MACHINE: r = machine(); break;
        case SI_ARCHITECTURE: r = "sparc"; break;
        case SI_HW_PROVIDER: r = "Sun_Microsystems"; break;
-       case SI_HW_SERIAL: r = serial(buffer); break;
-       case SI_PLATFORM: r = platform(buffer); break;
+       case SI_HW_SERIAL: r = serial(buffer, sizeof(buffer)); break;
+       case SI_PLATFORM: r = platform(buffer, sizeof(buffer)); break;
        case SI_SRPC_DOMAIN: r = ""; break;
        case SI_VERSION: r = "Generic"; break;
        default: return -EINVAL;
@@ -353,7 +363,7 @@ asmlinkage int solaris_sysconf(int id)
 {
        switch (id) {
        case SOLARIS_CONFIG_NGROUPS:    return NGROUPS_MAX;
-       case SOLARIS_CONFIG_CHILD_MAX:  return CHILD_MAX;
+       case SOLARIS_CONFIG_CHILD_MAX:  return -1; /* no limit */
        case SOLARIS_CONFIG_OPEN_FILES: return OPEN_MAX;
        case SOLARIS_CONFIG_POSIX_VER:  return 199309;
        case SOLARIS_CONFIG_PAGESIZE:   return PAGE_SIZE;
@@ -737,7 +747,8 @@ MODULE_LICENSE("GPL");
 extern u32 tl0_solaris[8];
 #define update_ttable(x)                                                                               \
        tl0_solaris[3] = (((long)(x) - (long)tl0_solaris - 3) >> 2) | 0x40000000;                       \
-       __asm__ __volatile__ ("membar #StoreStore; flush %0" : : "r" (&tl0_solaris[3]))
+       wmb();          \
+       __asm__ __volatile__ ("flush %0" : : "r" (&tl0_solaris[3]))
 #else
 #endif 
 
@@ -761,7 +772,8 @@ int init_module(void)
        entry64_personality_patch |=
                (offsetof(struct task_struct, personality) +
                 (sizeof(unsigned long) - 1));
-       __asm__ __volatile__("membar #StoreStore; flush %0"
+       wmb();
+       __asm__ __volatile__("flush %0"
                             : : "r" (&entry64_personality_patch));
        return 0;
 }