From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Grundler Date: Thu, 30 Mar 2006 18:54:26 +0000 Subject: Re: [Fedora-ia64-list] kernel 2.6.16-1.2097_FC6 unbootable on Itanium Message-Id: <20060330185426.GE4839@esmail.cup.hp.com> List-Id: References: <442AB6DD.4020800@sgi.com> In-Reply-To: <442AB6DD.4020800@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Thu, Mar 30, 2006 at 09:16:11AM -0600, Jack Steiner wrote: ... > The most recent kernel has changed this behavior so that the address will be > referenced as uncached. ... > NEW > acpi_os_map_memory() unconditionally calls ioremap() to do the > mapping > > ioremap > if (efi_mem_attribute_range(offset, size, EFI_MEMORY_UC)) > return __ioremap(offset, size); Could this be related to the issue of ioremap() vs ioremap_nocache() that Mathew Wilcox proposed a patch for? http://lkml.org/lkml/2006/3/30/251 grant