X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fsys-x86_64%2Fsyscalls.c;h=2f043868cc74bbcd0c2b606135475a56e02d4a3a;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=6f44f40204ed0947ffe93f6358a0a517649b6fd8;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index 6f44f4020..2f043868c 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -9,6 +9,7 @@
 #include "linux/shm.h"
 #include "linux/utsname.h"
 #include "linux/personality.h"
+#include "linux/vs_cvirt.h"
 #include "asm/uaccess.h"
 #define __FRAME_OFFSETS
 #include "asm/ptrace.h"
@@ -21,88 +22,13 @@ asmlinkage long sys_uname64(struct new_utsname __user * name)
 {
 	int err;
 	down_read(&uts_sem);
-	err = copy_to_user(name, &system_utsname, sizeof (*name));
+	err = copy_to_user(name, vx_new_utsname(), sizeof (*name));
 	up_read(&uts_sem);
 	if (personality(current->personality) == PER_LINUX32)
 		err |= copy_to_user(&name->machine, "i686", 5);
 	return err ? -EFAULT : 0;
 }
 
-#ifdef CONFIG_MODE_TT
-extern int modify_ldt(int func, void *ptr, unsigned long bytecount);
-
-long sys_modify_ldt_tt(int func, void *ptr, unsigned long bytecount)
-{
-	/* XXX This should check VERIFY_WRITE depending on func, check this
-	 * in i386 as well.
-	 */
-	if (!access_ok(VERIFY_READ, ptr, bytecount))
-		return -EFAULT;
-	return(modify_ldt(func, ptr, bytecount));
-}
-#endif
-
-#ifdef CONFIG_MODE_SKAS
-extern int userspace_pid[];
-
-#include "skas_ptrace.h"
-
-long sys_modify_ldt_skas(int func, void *ptr, unsigned long bytecount)
-{
-	struct ptrace_ldt ldt;
-        void *buf;
-        int res, n;
-
-        buf = kmalloc(bytecount, GFP_KERNEL);
-        if(buf == NULL)
-                return(-ENOMEM);
-
-        res = 0;
-
-        switch(func){
-        case 1:
-        case 0x11:
-                res = copy_from_user(buf, ptr, bytecount);
-                break;
-        }
-
-        if(res != 0){
-                res = -EFAULT;
-                goto out;
-        }
-
-	ldt = ((struct ptrace_ldt) { .func	= func,
-				     .ptr	= buf,
-				     .bytecount = bytecount });
-#warning Need to look up userspace_pid by cpu
-	res = ptrace(PTRACE_LDT, userspace_pid[0], 0, (unsigned long) &ldt);
-        if(res < 0)
-                goto out;
-
-        switch(func){
-        case 0:
-        case 2:
-                n = res;
-                res = copy_to_user(ptr, buf, n);
-                if(res != 0)
-                        res = -EFAULT;
-                else
-                        res = n;
-                break;
-        }
-
- out:
-        kfree(buf);
-        return(res);
-}
-#endif
-
-long sys_modify_ldt(int func, void *ptr, unsigned long bytecount)
-{
-        return(CHOOSE_MODE_PROC(sys_modify_ldt_tt, sys_modify_ldt_skas, func,
-                                ptr, bytecount));
-}
-
 #ifdef CONFIG_MODE_TT
 extern long arch_prctl(int code, unsigned long addr);
 
@@ -120,7 +46,7 @@ static long arch_prctl_tt(int code, unsigned long addr)
 	case ARCH_GET_GS:
 		ret = arch_prctl(code, (unsigned long) &tmp);
 		if(!ret)
-			ret = put_user(tmp, &addr);
+			ret = put_user(tmp, (long __user *)addr);
 		break;
 	default:
 		ret = -EINVAL;
@@ -174,26 +100,11 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp,
 {
 	long ret;
 
-	/* XXX: normal arch do here this pass, and also pass the regs to
-	 * do_fork, instead of NULL. Currently the arch-independent code
-	 * ignores these values, while the UML code (actually it's
-	 * copy_thread) does the right thing. But this should change,
-	 probably. */
-	/*if (!newsp)
-		newsp = UPT_SP(current->thread.regs);*/
+	if (!newsp)
+		newsp = UPT_SP(&current->thread.regs.regs);
 	current->thread.forking = 1;
-	ret = do_fork(clone_flags, newsp, NULL, 0, parent_tid, child_tid);
+	ret = do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
+		      child_tid);
 	current->thread.forking = 0;
 	return(ret);
 }
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */