From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1D8Mek-0007Pd-Vw for user-mode-linux-devel@lists.sourceforge.net; Mon, 07 Mar 2005 10:08:38 -0800 Received: from lakshmi.addtoit.com ([198.99.130.6] helo=lakshmi.solana.com) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1D8Mej-0002CR-LR for user-mode-linux-devel@lists.sourceforge.net; Mon, 07 Mar 2005 10:08:38 -0800 Message-Id: <200503072038.j27Kcnbc004003@ccure.user-mode-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii From: Jeff Dike Subject: [uml-devel] [PATCH 13/16] UML - Remove mm_indirect reference in modify_ldt Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Mon, 07 Mar 2005 15:38:49 -0500 To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Spotted by Al Viro, there was some bogosity in the UML/x86_64 modify_ltd. Signed-off-by: Jeff Dike Index: linux-2.6.11/arch/um/sys-x86_64/syscalls.c =================================================================== --- linux-2.6.11.orig/arch/um/sys-x86_64/syscalls.c 2005-03-05 12:07:31.000000000 -0500 +++ linux-2.6.11/arch/um/sys-x86_64/syscalls.c 2005-03-05 12:21:27.000000000 -0500 @@ -36,15 +36,11 @@ #endif #ifdef CONFIG_MODE_SKAS -extern int userspace_pid; - -#ifndef __NR_mm_indirect -#define __NR_mm_indirect 241 -#endif +extern int userspace_pid[]; long sys_modify_ldt_skas(int func, void *ptr, unsigned long bytecount) { - unsigned long args[6]; + struct ptrace_ldt ldt; void *buf; int res, n; @@ -66,12 +62,11 @@ goto out; } - args[0] = func; - args[1] = (unsigned long) buf; - args[2] = bytecount; - res = syscall(__NR_mm_indirect, ¤t->mm->context.u, - __NR_modify_ldt, args); - + 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; ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel