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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 372D5C7EE31 for ; Tue, 30 May 2023 10:35:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VXrxf/+EC9YayejlmyEe8abxoOP5HyPgPXRQJAo/4yg=; b=nX2n2JoNVRpMlh FNeWt3q6y5+aJnyaICfCDxyB2c54O85ZToIhDxFYM9FBvEot420Yb8KoYowWg9qna6XWJ2vMKFdVU WTXjkfuVbaCRbZyh8Nag9NXamLNnIB96bNHUOZ8AgBKsKXhlByPu7RP6hXPO4FcOyNzD+dJ9lfKTV 3N8tDa1kaYnnOV4Vy1hxmw/+xEcI0KTQ/3IWBtfWbF/RR/nVCLpidonG7Ma4blmyMbxjdlsMk7Ov5 L6xi28FhC8VXObqSX0RAoezKh3AHL+9ZKIujh8dvoNRBop7x3tAyKkxcTkWv5yogfkLmmMtaNIKfD v7P7CqHp4w6TTs8iKsEw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q3wgw-00DOTD-0a; Tue, 30 May 2023 10:35:02 +0000 Received: from galois.linutronix.de ([2a0a:51c0:0:12e:550::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q3wgr-00DOO0-1I; Tue, 30 May 2023 10:34:59 +0000 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1685442886; 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=N5ajidpHHWOd1M+zXooDoN2CL1Doa07SpiUyV9RulE8=; b=uwnjy/mtKr2+9HiMkSppEBJvhSBQeJYZy8y9yBLg+rfzmVqY1K2fbkQ0BK6atYsbdlb/kZ OX0X95CEbPOmVVjWUm+w4pOuAY3qcbvl7jw9Z0BenrltybggdqR4c9qAM8x64i9YH37qey O9JBKI7y/oKr72QRWkDpq+hYUst4bIaCugFeqfZmWg1LhT6voGsk3R6H6krFIw1PwzllcV ucldO4NpvXDnORVDB9AFUwXdgJ89s7Ov7ICB6gREcPwIDmnuEeCUVFSvurBgxsiF9roVck ep3RsDjejQbfVOSuPv04nD7vklCwo/Y4EbsS5SCA7EfqWM3aQeTimx2OFQGCyA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1685442886; 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=N5ajidpHHWOd1M+zXooDoN2CL1Doa07SpiUyV9RulE8=; b=AxdWUb0SeD9XPAfvorylY2NPRS35OXUO70xmZChpaLP+3HhDz+9CZ0RcptudTwiisrOZW2 YPXQzLGGwMCVv4AQ== 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: <87mt1mjhk3.ffs@tglx> 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> <20230530005428.jyrc2ezx5raohlrt@box.shutemov.name> <87mt1mjhk3.ffs@tglx> Date: Tue, 30 May 2023 12:34:45 +0200 Message-ID: <87jzwqjeey.ffs@tglx> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230530_033457_579791_ED8A1771 X-CRM114-Status: GOOD ( 11.19 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Tue, May 30 2023 at 11:26, Thomas Gleixner wrote: > On Tue, May 30 2023 at 03:54, Kirill A. Shutemov wrote: >> On Mon, May 29, 2023 at 11:31:29PM +0300, Kirill A. Shutemov wrote: >>> Disabling parallel bringup helps. I didn't look closer yet. If you have >>> an idea let me know. >> >> Okay, it crashes around .Lread_apicid due to touching MSRs that trigger #VE. >> >> Looks like the patch had no intention to enable parallel bringup on TDX. >> >> + * Intel-TDX has a secure RDMSR hypercall, but that needs to be >> + * implemented seperately in the low level startup ASM code. >> >> But CC_ATTR_GUEST_STATE_ENCRYPT that used to filter it out is >> SEV-ES-specific thingy and doesn't cover TDX. I don't think we have an >> attribute that fits nicely here. > > Bah. That sucks. Can we have something consistent in this CC space or needs everything to be extra magic per CC variant? _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv