xen/18620-x86-page-type-preemptible-fix.patch

27 lines
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Diff

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1223900120 -3600
# Node ID a26194601c8f2b223e380bbb7153df7027e8d7f5
# Parent e4bddd01cb3ebe0c4a72603c722889b22d3943fd
x86: propagate return value of alloc_l1_table()
A blatant mistake of mine resulted in the return value of
alloc_l1_table() to be ignored with the preemptable page table update
changes.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
diff -r e4bddd01cb3e -r a26194601c8f xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Mon Oct 13 10:09:09 2008 +0100
+++ b/xen/arch/x86/mm.c Mon Oct 13 13:15:20 2008 +0100
@@ -1883,8 +1883,7 @@ static int alloc_page_type(struct page_i
switch ( type & PGT_type_mask )
{
case PGT_l1_page_table:
- alloc_l1_table(page);
- rc = 0;
+ rc = alloc_l1_table(page);
break;
case PGT_l2_page_table:
rc = alloc_l2_table(page, type, preemptible);