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From: "Jan Beulich" <jbeulich@novell.com>
To: <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86: mtrr range check correction
Date: Wed, 14 Feb 2007 07:44:31 +0000 [thread overview]
Message-ID: <45D2CBEF.76E4.0078.0@novell.com> (raw)
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;
next reply other threads:[~2007-02-14 7:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-14 7:44 Jan Beulich [this message]
2007-02-18 21:33 ` Chuck Ebbert
2007-02-20 7:47 ` Jan Beulich
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