Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp4576267pxb; Thu, 14 Oct 2021 07:56:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyawi5hqIZzslrcVfijfmUt3PE5rcxJIcCTbQCnVZ32efj/PjCUaKV+xcDf1UmPVHddC0mi X-Received: by 2002:a17:906:3990:: with SMTP id h16mr4192064eje.47.1634223389140; Thu, 14 Oct 2021 07:56:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634223389; cv=none; d=google.com; s=arc-20160816; b=O0IFfKfruLempkx88W7+5Nxk8LlSUD2jk4I8806Ondss88YYrpeOh6tBwQAkcWu776 qlfuiSFo6iEhaf7A/PTUXJ7ECIvtVKIFuVNmdY5evoEOh7PuQZK4PNOBC1A3OOdbHuyJ qBH7xOHiebKCZLzKRnUNwM4sDYl9NzTmpWIocAQGDE9BhiQNLdOLmf7feOOH9VS1PrXl gIU67DWKlk6rywINnYupFxGwjheD9eizfhHWirI7x+Prc6LK/3VSsSUbPQ3QxlagrqhH kfK9TeRUjDluvRR5VM7Cju5sGfjmTnMNpwZSf4yN2fgNNCbiXhhEdWMqp7O9+jYM62h9 lFXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:references :in-reply-to:subject:cc:to:dkim-signature:dkim-signature:from; bh=uAX07tJNk/b8kiPx+2gbX5YtIE9KbtJDVOrU25WzpHk=; b=Z+S6QTaW1Pno8yKiNG7WvTwaHfRUwi26agJWre6wF+ylamAgXAK+tiCTO/TS9EHxsI BwHO3nuFNlaIaqXyOFPacaXuDj+iKQFwRkpaextCSk8v9udLUQbTTi39Gkw3TWbQdnKL qdGtwwsEN8uZxllq6rW7LQuNUxOoUTQCKcNOXlnekSNuFTBnLHZVEtdmxEFvaZ5Pv+Pn oI7JIJJtzyTjsKT3ckfb6mUkXIvtR6zIw0tDEML9yxxb8JTumat0hJgftX829C4x94GE ooVxRCEoE0b0mLaiQtXHHnqo/JhDs+M3kIb7ZXIVvI01SBCYSn+Nm1CrFBlnpFB+pxYK Th7w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=oblDpIYJ; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u19si3925650ejf.631.2021.10.14.07.56.02; Thu, 14 Oct 2021 07:56:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=oblDpIYJ; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230494AbhJNNKR (ORCPT + 99 others); Thu, 14 Oct 2021 09:10:17 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:42498 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230054AbhJNNKR (ORCPT ); Thu, 14 Oct 2021 09:10:17 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1634216891; 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=uAX07tJNk/b8kiPx+2gbX5YtIE9KbtJDVOrU25WzpHk=; b=oblDpIYJBxT9Q4pzd7ju8JODlw7gtdosHIo/l9bslwL++hAva4YS9mbznoZc4MquImCsjQ FfYq438Wl1UjelChD+Lrvkb+LvfNGp9Q0WB0Kt5NLxvGGlFczYzYhGZHCRc6ez1BJYV4r0 muQrZ3INIaNNSENMqGwQLiDp36bWRfxPLmT7rZp6E1kEyaXfY7MnV5sHRlgtagkVAeG0IG yd8xm97Xss8S5ddwcv0ABJ3dbKe0zc03BHkwzLGuW/Dj8mrxKQ3lMgJI1O1mwiTeYEk29D OyiMm//MO8iExng6QnHPZktUhzc4AWbPhQeb4iHrPu5pPhNbSiznKNkZ86qwXA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1634216891; 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=uAX07tJNk/b8kiPx+2gbX5YtIE9KbtJDVOrU25WzpHk=; b=7ueE+uY30V52XHpVEdGT2vLdDf4OswOG35Ju7jSHdxF+BwWVOdyzDOwPLii1NQbRXaWNFC W0G96+DpmEOTm0AA== To: "Liu, Jing2" , Paolo Bonzini , LKML Cc: "x86@kernel.org" , "Bae, Chang Seok" , Dave Hansen , Arjan van de Ven , "kvm@vger.kernel.org" , "Nakajima, Jun" , Jing Liu , "seanjc@google.com" Subject: RE: [patch 13/31] x86/fpu: Move KVMs FPU swapping to FPU core In-Reply-To: References: <87sfx57ycw.ffs@tglx> Date: Thu, 14 Oct 2021 15:08:10 +0200 Message-ID: <87zgrb69fp.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 14 2021 at 08:21, Jing2 Liu wrote: >> >> Once that is sorted then we can create proper infrastructure for that in the >> FPU core code and not just expose a random function to KVM and hack it into >> submssion. > Yes, we need a consensus on the way we choose and then to see if need a > kernel function for KVM usage. The question is not 'if'. The question is 'which' functionality we need. Thanks, tglx