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Date: Tue, 2 Nov 2021 17:37:13 +0100 From: Joerg Roedel <jroedel@...e.de> To: "Eric W. Biederman" <ebiederm@...ssion.com> Cc: Borislav Petkov <bp@...en8.de>, Joerg Roedel <joro@...tes.org>, x86@...nel.org, kexec@...ts.infradead.org, stable@...r.kernel.org, hpa@...or.com, Andy Lutomirski <luto@...nel.org>, Dave Hansen <dave.hansen@...ux.intel.com>, Peter Zijlstra <peterz@...radead.org>, Jiri Slaby <jslaby@...e.cz>, Dan Williams <dan.j.williams@...el.com>, Tom Lendacky <thomas.lendacky@....com>, Juergen Gross <jgross@...e.com>, Kees Cook <keescook@...omium.org>, David Rientjes <rientjes@...gle.com>, Cfir Cohen <cfir@...gle.com>, Erdem Aktas <erdemaktas@...gle.com>, Masami Hiramatsu <mhiramat@...nel.org>, Mike Stunes <mstunes@...are.com>, Sean Christopherson <seanjc@...gle.com>, Martin Radev <martin.b.radev@...il.com>, Arvind Sankar <nivedita@...m.mit.edu>, linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org, kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org Subject: Re: [PATCH v2 01/12] kexec: Allow architecture code to opt-out at runtime On Mon, Nov 01, 2021 at 04:11:42PM -0500, Eric W. Biederman wrote: > I seem to remember the consensus when this was reviewed that it was > unnecessary and there is already support for doing something like > this at a more fine grained level so we don't need a new kexec hook. It was a discussion, no consenus :) I still think it is better to solve this in generic code for everybody to re-use than with an hack in the architecture hooks. More and more platforms which enable confidential computing features may need this hook in the future. Regards, -- Jörg Rödel jroedel@...e.de SUSE Software Solutions Germany GmbH Maxfeldstr. 5 90409 Nürnberg Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev
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