Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934173AbZIDUVh (ORCPT ); Fri, 4 Sep 2009 16:21:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933998AbZIDUOV (ORCPT ); Fri, 4 Sep 2009 16:14:21 -0400 Received: from kroah.org ([198.145.64.141]:36130 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933942AbZIDUOQ (ORCPT ); Fri, 4 Sep 2009 16:14:16 -0400 X-Mailbox-Line: From gregkh@mini.kroah.org Fri Sep 4 13:08:51 2009 Message-Id: <20090904200851.340681047@mini.kroah.org> User-Agent: quilt/0.48-1 Date: Fri, 04 Sep 2009 13:07:21 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, avi@redhat.com, Avi Kivity Subject: [patch 09/48] KVM: Allocate guest memory as MAP_PRIVATE, not MAP_SHARED References: <20090904200712.724048145@mini.kroah.org> Content-Disposition: inline; filename=kvm-allocate-guest-memory-as-map_private-not-map_shared.patch In-Reply-To: <20090904201112.GA8274@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1044 Lines: 25 2.6.27-stable review patch. If anyone has any objections, please let us know. ------------------ From: Avi Kivity (cherry picked from commit acee3c04e8208c17aad1baff99baa68d71640a19) There is no reason to share internal memory slots with fork()ed instances. Signed-off-by: Avi Kivity Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4003,7 +4003,7 @@ int kvm_arch_set_memory_region(struct kv userspace_addr = do_mmap(NULL, 0, npages * PAGE_SIZE, PROT_READ | PROT_WRITE, - MAP_SHARED | MAP_ANONYMOUS, + MAP_PRIVATE | MAP_ANONYMOUS, 0); up_write(¤t->mm->mmap_sem); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/