From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from kirsty.vergenet.net ([202.4.237.240]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zmu8n-0000kv-4E for kexec@lists.infradead.org; Fri, 16 Oct 2015 01:49:05 +0000 Date: Fri, 16 Oct 2015 10:48:38 +0900 From: Simon Horman Subject: Re: [PATCH v2 3/3] ppc64: Add a flag to tell the kernel it's booting from kexec Message-ID: <20151016014838.GG20667@verge.net.au> References: <1444172150-29493-1-git-send-email-scottwood@freescale.com> <1444172150-29493-3-git-send-email-scottwood@freescale.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1444172150-29493-3-git-send-email-scottwood@freescale.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=infradead.org@lists.infradead.org To: Scott Wood Cc: kexec@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, Michael Ellerman On Tue, Oct 06, 2015 at 05:55:50PM -0500, Scott Wood wrote: > It needs to know this because the SMP release mechanism for Freescale > book3e is different from when booting with normal hardware. In theory > we could simulate the normal spin table mechanism, but not (easily) at > the addresses U-Boot put in the device tree -- so there'd need to be > even more communication between the kernel and kexec to set that up. > > Signed-off-by: Scott Wood > --- > v2: Use a device tree property rather than setting a flag in the kernel > image, as requested by Michael Ellerman. I'd value a review of this from someone more familiar with ppc than I. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec