From mboxrd@z Thu Jan 1 00:00:00 1970 From: William Lee Irwin III Date: Sat, 18 Oct 2003 00:15:11 +0000 Subject: Re: [RFC] prevent "dd if=/dev/mem" crash Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Fri, Oct 17, 2003 at 04:55:43PM -0700, Andrew Morton wrote: > This code was conceived before my time and I don't recall seeing much > discussion, so this is all guesswork.. > I'd say that the high_memory test _is_ superfluous and that if anyone > cared, we would remove it and establish a temporary pte against the address if > it was outside the direct-mapped area. But nobody cares enough to have > done anything about it. I've heard crash dump people mention it and am trying to convince them to post their fix(es) here. =) -- wli