From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Fri, 26 Sep 2003 20:32:45 +0000 Subject: Re: [PATCH] always print note when trimming EFI memory map 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 Wed, 24 Sep 2003 17:53:14 -0600, Bjorn Helgaas said: Bjorn> I think it would be a good idea to always print a note when Bjorn> trimming the EFI memory map, even if it's not "available" Bjorn> memory. Bjorn> I just debugged a problem where we trimmed out some memory Bjorn> that contained ACPI tables. When we went to look at a table Bjorn> later, we used the wrong attribute because we couldn't find Bjorn> its address in the EFI memory map. This caused an MCA Bjorn> (uncached access to memory). Straightforward to debug, but Bjorn> the note would have made it quicker. The intention was to give the user an idea how much real & available memory is lost due to the trimming. When reporting unavailable memory, you'll lose that info. However, maybe we should be more verbose if EFI_DEBUG is enabled? --david