X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Fsyscall.c;h=7b3b67333ff31c2b4c418308b7cec9ff36b9d951;hb=6d536e4b59f77c34a0e5a414dfa934db373c85c2;hp=48cf88dd02d4daaf94c0aca862065eb9abeb8388;hpb=0612ec48762bf8712db1925b2e67246d2237ebab;p=linux-2.6-omap-h63xx.git

diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index 48cf88dd02d..7b3b67333ff 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -7,6 +7,7 @@
 #include "linux/file.h"
 #include "linux/smp_lock.h"
 #include "linux/mm.h"
+#include "linux/fs.h"
 #include "linux/utsname.h"
 #include "linux/msg.h"
 #include "linux/shm.h"
@@ -18,7 +19,6 @@
 #include "asm/mman.h"
 #include "asm/uaccess.h"
 #include "kern_util.h"
-#include "user_util.h"
 #include "sysdep/syscalls.h"
 #include "mode_kern.h"
 #include "choose-mode.h"
@@ -110,7 +110,7 @@ long sys_uname(struct old_utsname __user * name)
 	if (!name)
 		return -EFAULT;
 	down_read(&uts_sem);
-	err = copy_to_user(name, &system_utsname, sizeof (*name));
+	err = copy_to_user(name, utsname(), sizeof (*name));
 	up_read(&uts_sem);
 	return err?-EFAULT:0;
 }
@@ -126,21 +126,21 @@ long sys_olduname(struct oldold_utsname __user * name)
 
   	down_read(&uts_sem);
 
-	error = __copy_to_user(&name->sysname,&system_utsname.sysname,
+	error = __copy_to_user(&name->sysname, &utsname()->sysname,
 			       __OLD_UTS_LEN);
-	error |= __put_user(0,name->sysname+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->nodename,&system_utsname.nodename,
+	error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->nodename, &utsname()->nodename,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->nodename+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->release,&system_utsname.release,
+	error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->release, &utsname()->release,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->release+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->version,&system_utsname.version,
+	error |= __put_user(0, name->release + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->version, &utsname()->version,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->version+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->machine,&system_utsname.machine,
+	error |= __put_user(0, name->version + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->machine, &utsname()->machine,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->machine+__OLD_UTS_LEN);
+	error |= __put_user(0, name->machine + __OLD_UTS_LEN);
 
 	up_read(&uts_sem);
 
@@ -149,18 +149,15 @@ long sys_olduname(struct oldold_utsname __user * name)
 	return error;
 }
 
-DEFINE_SPINLOCK(syscall_lock);
-
-static int syscall_index = 0;
-
-int next_syscall_index(int limit)
+int kernel_execve(const char *filename, char *const argv[], char *const envp[])
 {
+	mm_segment_t fs;
 	int ret;
 
-	spin_lock(&syscall_lock);
-	ret = syscall_index;
-	if(++syscall_index == limit)
-		syscall_index = 0;
-	spin_unlock(&syscall_lock);
-	return(ret);
+	fs = get_fs();
+	set_fs(KERNEL_DS);
+	ret = um_execve(filename, argv, envp);
+	set_fs(fs);
+
+	return ret;
 }