LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
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;



             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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=45D2CBEF.76E4.0078.0@novell.com \
    --to=jbeulich@novell.com \
    --cc=linux-kernel@vger.kernel.org \
    --subject='Re: [PATCH] x86: mtrr range check correction' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

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).