From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Williamson Subject: Re: [patch 0/3] xen: Extend xen kexec hypercall to return additional regions Date: Wed, 27 Feb 2008 12:55:52 -0700 Message-ID: <1204142152.6798.32.camel@lappy> References: <20080227070105.949799153@vergenet.net> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20080227070105.949799153@vergenet.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Simon Horman Cc: xen-devel@lists.xensource.com, Ian Campbell , xen-ia64-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Hi Simon, I'm not seeing how this doesn't break the x86 COMPAT/CONFIG_COMPAT code paths. Where does kexec_get_range_internal() get defined for COMPAT in [1/3], and where is machine_kexec_get_xen() defined for CONFIG_COMPAT in [2/3]? I'm fine with the ia64 parts if Ian/Keir want to check them into the main tree, but there is some mixed indenting in [3/3]. Thanks, Alex On Wed, 2008-02-27 at 16:01 +0900, Simon Horman wrote: > Hi, > > this series starts off by reworking the hypercall a bit to > allow it to have architecture-specific code under xen/arch/ > > It then extends the hypercall for some extra regions that > are needed for xen ia64. > > There are generic and ia64 specific patches in this series. > I wanted to post them together as they don't make much sense > without each other. > > There are related xen-linux patches that I will send as a separate series. > There are related kexec-tools patches which I have posted to > the kexec mailing list and intend to merge. > http://lists.infradead.org/pipermail/kexec/2008-February/001348.html > > > The end-game here is to make sure that all the reserved regions > show up in /proc/iomem_machine on ia64. This currently does not happen. > And manifests as kexec only being able to be performed once as > the boot parameter ends up being overwritten in relocate_kernel before > purgatory is reached. > > Xen--kexec-->Xen--kexec [hang in purgatory!] > > > The EFI-RID patches for ia64 xen kexec are also needed for kexec > to function on ia64. However they touch different code paths and can > be merged separately. > -- Alex Williamson HP Open Source & Linux Org.