From: Keir Fraser <keir.fraser@citrix.com>
Date: Fri, 4 Jun 2010 09:01:15 +0000 (+0100)
Subject: Quieten console warning about incomplete PAE PTE writes
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~12031
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https://%22%22/%22http:/www.example.com/cgi/%22https:/%22%22?a=commitdiff_plain;h=7817c9a3a454b6406a09479f0934847f183f7d60;p=xen.git

Quieten console warning about incomplete PAE PTE writes

Older (<4.6) RHEL kernels clear PAE pagetable entries without taking
care to write the bottom half first, often enough to make it annoying.

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
---

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index d042f05d6f..f9ab808da4 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -4911,8 +4911,8 @@ static int ptwr_emulated_update(
              * zap the PRESENT bit on the assumption that the bottom half will
              * be written immediately after we return to the guest.
              */
-            MEM_LOG("ptwr_emulate: fixing up invalid PAE PTE %"PRIpte,
-                    l1e_get_intpte(nl1e));
+            gdprintk(XENLOG_DEBUG, "ptwr_emulate: fixing up invalid PAE PTE %"
+                     PRIpte"\n", l1e_get_intpte(nl1e));
             l1e_remove_flags(nl1e, _PAGE_PRESENT);
         }
         else