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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 12:52:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 12:52:57 -0700
commitef5ddd3d591399f2c722a77bce543d20bef31663 (patch)
treea6bec12fcf1e7533cb8a972fc1b465923e46585c /arch/x86
parent972dd435fb2c5da173a4c8dea44ccb8748e36d35 (diff)
parentcd670599b7b00d9263f6f11a05c0edeb9cbedaf3 (diff)
Merge branch 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: guard against pre-ACPI 3 e820 code not updating %ecx
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/boot/memory.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index d5d2360763d..5054c2ddd1a 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -31,6 +31,12 @@ static int detect_memory_e820(void)
struct e820entry *desc = boot_params.e820_map;
static struct e820_ext_entry buf; /* static so it is zeroed */
+ /*
+ * Set this here so that if the BIOS doesn't change this field
+ * but still doesn't change %ecx, we're still okay...
+ */
+ buf.ext_flags = 1;
+
do {
size = sizeof buf;