LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
* [PATCH] x86: mtrr range check correction
@ 2007-02-14  7:44 Jan Beulich
  2007-02-18 21:33 ` Chuck Ebbert
  0 siblings, 1 reply; 3+ messages in thread
From: Jan Beulich @ 2007-02-14  7:44 UTC (permalink / raw)
  To: linux-kernel

Whether a region is below 1Mb is determined by its start rather than
its end.

This hunk got erroneously dropped from a previous patch.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

--- linux-2.6.20/arch/i386/kernel/cpu/mtrr/generic.c	2007-02-04 19:44:54.000000000 +0100
+++ 2.6.20-x86-mtrr-range-check/arch/i386/kernel/cpu/mtrr/generic.c	2007-02-09 10:17:26.000000000 +0100
@@ -428,7 +428,7 @@ int generic_validate_add_page(unsigned l
 		}
 	}
 
-	if (base + size < 0x100) {
+	if (base < 0x100) {
 		printk(KERN_WARNING "mtrr: cannot set region below 1 MiB (0x%lx000,0x%lx000)\n",
 		       base, size);
 		return -EINVAL;



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2007-02-20  7:47 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-02-14  7:44 [PATCH] x86: mtrr range check correction Jan Beulich
2007-02-18 21:33 ` Chuck Ebbert
2007-02-20  7:47   ` Jan Beulich

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).