On 11/13/2012 08:38 AM, Stefano Stabellini wrote:
On Mon, 12 Nov 2012, Yinghai Lu wrote:
From: Stefano Stabellini <[email protected]>
Add link to commit 279b706 for more information
Signed-off-by: Yinghai Lu <[email protected]>
ah, here it is, OK then
arch/x86/mm/init.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index f5e0120..a7939ed 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -25,6 +25,11 @@ unsigned long __meminitdata pgt_buf_top;
static unsigned long min_pfn_mapped;
+/*
+ * Pages returned are already directly mapped.
+ *
+ * Changing that is likely to break Xen, see commit 279b706 for detail info.
^detailed
When making references to git commits, please include the title of the
commit:
*
* Changing that is likely to break Xen, see commit:
*
* 279b706 x86,xen: introduce x86_init.mapping.pagetable_reserve
*
* for detailed information.
Otherwise it might be very confusing if we have an abbreviated hash
collision or end up having to change git to use another hash system.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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