From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEB7BC77B7A for ; Tue, 30 May 2023 09:27:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231167AbjE3J1d (ORCPT ); Tue, 30 May 2023 05:27:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230507AbjE3J1N (ORCPT ); Tue, 30 May 2023 05:27:13 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C35712B; Tue, 30 May 2023 02:26:16 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1685438774; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=OuP6yOSR9XWm7UsYO6pZdZmKv2tnQHjp+lm/v984YCA=; b=4M9Rhxb+Ak3/yFJgB1S859CSZLFWoXOP0uMTWtvEKyHSLqPJWzDtmdPw+nD7OakjHwTvL9 3H4QTINZn7/MOdikwDWln06pYSfL8jvb0I5oZP0DesRNI92ni3zwbDzgSLSlL/Pu5A7ayE rYYGLRlzgJx7Mzzdxn0P+XOLdusRXdTLu2ZGz+x2RQA5bSNBrZJT2AeE+kvVPAgUR6estR vY+t9gmb5UEUwYCeoMX6kP4VPGvNBn7Lz23Yllf7oRg5tOfqRvkOxsk2p5mTi2eG6HqWL4 i7ehXbcRL2W2gE3TOlBREPsOXH6v8kr/26nERrHEOZ95S6/lVpsHxw/6/+/DQA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1685438774; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=OuP6yOSR9XWm7UsYO6pZdZmKv2tnQHjp+lm/v984YCA=; b=HcG/D4NiqXeHLfwKoko4UyTPezLO1CVsxR+RlJLjEUh5/8YeL4Jf/2ZxSLH+TzNJfOKKZT r4jRkltXrdP6XoDg== To: "Kirill A. Shutemov" Cc: LKML , x86@kernel.org, David Woodhouse , Andrew Cooper , Brian Gerst , Arjan van de Veen , Paolo Bonzini , Paul McKenney , Tom Lendacky , Sean Christopherson , Oleksandr Natalenko , Paul Menzel , "Guilherme G. Piccoli" , Piotr Gorski , Usama Arif , Juergen Gross , Boris Ostrovsky , xen-devel@lists.xenproject.org, Russell King , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , Guo Ren , linux-csky@vger.kernel.org, Thomas Bogendoerfer , linux-mips@vger.kernel.org, "James E.J. Bottomley" , Helge Deller , linux-parisc@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Mark Rutland , Sabin Rapan , "Michael Kelley (LINUX)" , Dave Hansen Subject: Re: [patch v3 31/36] x86/apic: Provide cpu_primary_thread mask In-Reply-To: <20230529203129.sthnhzgds7ynddxd@box.shutemov.name> References: <20230508181633.089804905@linutronix.de> <20230508185218.962208640@linutronix.de> <20230524204818.3tjlwah2euncxzmh@box.shutemov.name> <87y1lbl7r6.ffs@tglx> <87sfbhlwp9.ffs@tglx> <20230529023939.mc2akptpxcg3eh2f@box.shutemov.name> <87bki3kkfi.ffs@tglx> <20230529203129.sthnhzgds7ynddxd@box.shutemov.name> Date: Tue, 30 May 2023 11:26:03 +0200 Message-ID: <87pm6ijhlg.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Mon, May 29 2023 at 23:31, Kirill A. Shutemov wrote: > Aaand the next patch that breaks TDX boot is... > > x86/smpboot/64: Implement arch_cpuhp_init_parallel_bringup() and enable it > > Disabling parallel bringup helps. I didn't look closer yet. If you have > an idea let me know. So how does TDX end up with actual parallel bringup? if (cc_platform_has(CC_ATTR_GUEST_STATE_ENCRYPT)) { pr_info("Parallel CPU startup disabled due to guest state encryption\n"); return false; } It should take that path, no? Thanks, tglx