From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 08C001373 for ; Thu, 5 Oct 2023 01:53:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="2g9OxDkb" Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-d8191a1d5acso633788276.1 for ; Wed, 04 Oct 2023 18:53:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1696470783; x=1697075583; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=grrioV+IuPOlzeiTfMVLnMrxd2jdrACTo36YNzEpcnI=; b=2g9OxDkbXYrY/9rdhquGH5zeBwPZHTWxXaQvAZgy/Xd2yZmEh2yLlL7vo0wsEhFkiu rbY1FSd9hYzXYqTbcpxsXkkyvU2TG2v0LIbk5ncxQgy4zvRzSRarS5TkaJIq3DxPfpmr cmAxoOeUuWAorUwRlNGmXuJJbTRO734iP+BPkRHx9DpktoD1B5xxB9Elzb6cVrmTptDg ABd9ppEHWHu7rnQ8OxgW5dZ8oBAkvjjuNuvEGJIi7BzqDj/klhEYONSdz4kUIMi8Dsf4 uDA52NEVYRVLr33wcYPWWL0Z/wgRI4ZYHOe7xG9n+iRwi7TEElZb07pyyiDTrpG8dzGz yRcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696470783; x=1697075583; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=grrioV+IuPOlzeiTfMVLnMrxd2jdrACTo36YNzEpcnI=; b=byA55C1ZG7kHfJ8ZoarenYwvjrTvwE4C28ynpLUJCN/7mD7KGfWT8sOMYobMOOlZM1 HdNgGp+4R79SZVmo5yIg+SVQRaINB8kiZpffa1NOOL9h0FedrNF4qyTgGOiLQ7eJoEmF xaaO46mMMGyZnmr8ARTjjT9+YkPWNK3EBWb7vWMKkvcGBFsHNKZpls7mhb/hiRF3EyYo /IM5AKUM8Xm2RitgGOs4P/8AEzF/cQqT6aU7wz3a0nuYiplyXxK5DUtgrhsqBCB8a6fI wihyKwIqSYcKz8+8wvwG5HYiIsOdJLsYd2JGmg3tNa7jb1DgKJJXWS8tCPkdMJBpTy2+ d0UA== X-Gm-Message-State: AOJu0YwZB5aJ/oihqaC5+1cWnxQTh+UIA5QzI6neQvDLxjVCSUopBGp5 vnbb2v23dlEPJUyBdqgdVIStwJXlMZk= X-Google-Smtp-Source: AGHT+IHyV4IRMorQjfEJtl3bCgO+6BZ9+2Q8anlpnWP+qXYS7Vaclmt7RTiW/s/YifIgopVhJqSKRRy92OU= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a25:ae52:0:b0:d7b:8d0c:43f1 with SMTP id g18-20020a25ae52000000b00d7b8d0c43f1mr60811ybe.9.1696470782888; Wed, 04 Oct 2023 18:53:02 -0700 (PDT) Date: Wed, 4 Oct 2023 18:53:01 -0700 In-Reply-To: <20230908222905.1321305-6-amoorthy@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230908222905.1321305-1-amoorthy@google.com> <20230908222905.1321305-6-amoorthy@google.com> Message-ID: Subject: Re: [PATCH v5 05/17] KVM: Annotate -EFAULTs from kvm_vcpu_read/write_guest_page() From: Sean Christopherson To: Anish Moorthy Cc: oliver.upton@linux.dev, kvm@vger.kernel.org, kvmarm@lists.linux.dev, pbonzini@redhat.com, maz@kernel.org, robert.hoo.linux@gmail.com, jthoughton@google.com, ricarkol@google.com, axelrasmussen@google.com, peterx@redhat.com, nadav.amit@gmail.com, isaku.yamahata@gmail.com, kconsul@linux.vnet.ibm.com Content-Type: text/plain; charset="us-ascii" On Fri, Sep 08, 2023, Anish Moorthy wrote: > Implement KVM_CAP_MEMORY_FAULT_INFO for uaccess failures in > kvm_vcpu_read/write_guest_page() Why? (rhetorical question)