This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-changelog] [IA64] zero clear page for pgd, pmd, pte.

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [IA64] zero clear page for pgd, pmd, pte.
From: Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 02 Mar 2006 12:16:12 +0000
Delivery-date: Thu, 02 Mar 2006 12:17:45 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id: BK change log <xen-changelog.lists.xensource.com>
List-post: <mailto:xen-changelog@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to: xen-devel@xxxxxxxxxxxxxxxxxxx
Sender: xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx
# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 7b2399cb65081895440b0a53e972d632cebb2ef2
# Parent  9eb9fa8a9933721dc42fe547d9c681a5142b5eaa
[IA64] zero clear page for pgd, pmd, pte.

xen heap page are not always zero cleared, so that explicit zeroing
is needed.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 9eb9fa8a9933 -r 7b2399cb6508 xen/arch/ia64/xen/xenmisc.c
--- a/xen/arch/ia64/xen/xenmisc.c       Thu Feb  9 20:35:11 2006
+++ b/xen/arch/ia64/xen/xenmisc.c       Thu Feb  9 20:43:39 2006
@@ -168,7 +168,11 @@
 void *pgtable_quicklist_alloc(void)
-       return alloc_xenheap_pages(0);
+    void *p;
+    p = alloc_xenheap_pages(0);
+    if (p) 
+        clear_page(p);
+    return p;
 void pgtable_quicklist_free(void *pgtable_entry)

Xen-changelog mailing list

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] [IA64] zero clear page for pgd, pmd, pte., Xen patchbot -unstable <=