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 X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB698C33C8C for ; Tue, 7 Jan 2020 16:04:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C1E0D208C4 for ; Tue, 7 Jan 2020 16:04:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="glV97bbJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728358AbgAGQEJ (ORCPT ); Tue, 7 Jan 2020 11:04:09 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:28503 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727974AbgAGQEJ (ORCPT ); Tue, 7 Jan 2020 11:04:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1578413048; 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=6/pI4t6B9z0wRX+NvUB89xIHygZ7s0TFKH3LWLJINv4=; b=glV97bbJAGPgV+M2Z2fZhusGO2pk1Tpa3fpFcZweCUliJCFYkYztEkHU0u84/EuJ+6Hxhz kVerEg3TwknY9k4ypTB00idi937GZyxMHliG2gqdoNYKg9H3TC4LAg+WqJTh+wop/ubgPQ IY3I2qiC4Atp+vBWE07Y3WauqRBzpcc= Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-291-PeuYcUtiNuOu45p-5BzrBA-1; Tue, 07 Jan 2020 11:04:07 -0500 X-MC-Unique: PeuYcUtiNuOu45p-5BzrBA-1 Received: by mail-qk1-f197.google.com with SMTP id 143so82645qkg.12 for ; Tue, 07 Jan 2020 08:04:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=6/pI4t6B9z0wRX+NvUB89xIHygZ7s0TFKH3LWLJINv4=; b=U2uHaiyR9Eu7HZWTlszvoqWC+nbKQ1MMGT3sz6ficHqD7x9GFlbBX1SrtFpxCkm99t qPuUvpLfNzu8K/+BKfZI/X/jBiY5LQHIM0uMlBN16ReFhlT60QfkvtJw5Hiq+RdBVB84 bH7NHYaq2qR+ROCwCTy/wfYRuwX+eWID/3XQPb3WXoR82lLOjESfpQkQX6jSvx4FANCv nF5tg8l8Eqyq3rBdS4/J9F2Kn97YHEJvbDGLoptlaFgByo2DYzh1U53HzFrrsMLs2QUw qA7IG5CcjsI0CCLHWiflNfrvjnmOPUO3eKveX28LVnfYDhyvIJ1H/Jh0H1N5nuu0ekyN SGMw== X-Gm-Message-State: APjAAAWdn9Gkdj9PqEu2LNfk1J2o7NHpHN9ah/P13Y9p5QjxGQckevJf 58Bz3xNp0RkgSLitw+TiLqxr+YwW9jTtR667AbSBKBVcwIutrWYRgXfCHoHr9nmvd5YThLYlRNZ 3kEeOVIWaHCgqk9dYOyNR5I+l1jyP X-Received: by 2002:aed:2d67:: with SMTP id h94mr78673823qtd.74.1578413046804; Tue, 07 Jan 2020 08:04:06 -0800 (PST) X-Google-Smtp-Source: APXvYqw66uIFnVme9AqF60F5anI9TjXT0ppMeOA6QoIMEfNwjdJGOKZ3GP3xMn0fUgfQqx9ibtRZXQ== X-Received: by 2002:aed:2d67:: with SMTP id h94mr78673801qtd.74.1578413046612; Tue, 07 Jan 2020 08:04:06 -0800 (PST) Received: from xz-x1 ([104.156.64.74]) by smtp.gmail.com with ESMTPSA id k50sm47999qtc.90.2020.01.07.08.04.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jan 2020 08:04:05 -0800 (PST) Date: Tue, 7 Jan 2020 11:04:04 -0500 From: Peter Xu To: Ben Gardon Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, Paolo Bonzini , Cannon Matthews , Andrew Jones Subject: Re: [PATCH v3 3/8] KVM: selftests: Add configurable demand paging delay Message-ID: <20200107160404.GH219677@xz-x1> References: <20191216213901.106941-1-bgardon@google.com> <20191216213901.106941-4-bgardon@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20191216213901.106941-4-bgardon@google.com> Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On Mon, Dec 16, 2019 at 01:38:56PM -0800, Ben Gardon wrote: > When running the demand paging test with the -u option, the User Fault > FD handler essentially adds an arbitrary delay to page fault resolution. > To enable better simulation of a real demand paging scenario, add a > configurable delay to the UFFD handler. > > Signed-off-by: Ben Gardon Reviewed-by: Peter Xu -- Peter Xu