From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.skyhub.de ([2a01:4f8:120:8448::d00d]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VrYzH-0007re-8U for kexec@lists.infradead.org; Fri, 13 Dec 2013 20:05:27 +0000 Date: Fri, 13 Dec 2013 21:04:55 +0100 From: Borislav Petkov Subject: Re: [PATCH v5 13/14] x86: reserve setup_data ranges late after parsing memmap cmdline Message-ID: <20131213200455.GB12466@pd.tnic> References: <1386582147-9802-1-git-send-email-dyoung@redhat.com> <1386582147-9802-14-git-send-email-dyoung@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1386582147-9802-14-git-send-email-dyoung@redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: Dave Young Cc: mjg59@srcf.ucam.org, linux-efi@vger.kernel.org, toshi.kani@hp.com, matt@console-pimps.org, greg@kroah.com, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, James.Bottomley@HansenPartnership.com, horms@verge.net.au, ebiederm@xmission.com, hpa@zytor.com, vgoyal@redhat.com On Mon, Dec 09, 2013 at 05:42:26PM +0800, Dave Young wrote: > Currently e820_reserve_setup_data is called before parsing early params, > it works in normal case. But for memmap=exactmap, the final memory ranges > are created after parsing memmap= cmdline params, so the previous > e820_reserve_setup_data has no effect. For example, setup_data ranges > will still be marked as normal system ram, thus when later sysfs driver > ioremap them kernel will warn about mapping normal ram. > > This patch fix it by moving the e820_reserve_setup_data callback after > parsing early params so they can be set as reserved ranges and later > ioremap will be fine with it. > > changes: > Boris: improve patch description > > Signed-off-by: Dave Young Acked-by: Borislav Petkov -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec