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 C6B44C7EE2A for ; Mon, 5 Jun 2023 20:43:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233285AbjFEUnb (ORCPT ); Mon, 5 Jun 2023 16:43:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58144 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232964AbjFEUn3 (ORCPT ); Mon, 5 Jun 2023 16:43:29 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 721A5EC for ; Mon, 5 Jun 2023 13:43:28 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-568960f4596so87616367b3.1 for ; Mon, 05 Jun 2023 13:43:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1685997807; x=1688589807; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=ICeGZIs40frckeRMgP118BFqvwVxt76v5BvLpjWGtEE=; b=AGGvGj4kbhTcDK6teOtsJ8pOGUFJqw7a0bsRyQTqH9V7iS0KIHVI3hCKq1GKNhycjH jLTi/eOJlyUUO93XrauBBjK9eaX4lsqatX16BOBA1SKOzYtGZ5cOIeAel6Z8hqJ4vO9l FpnM7zWNKuhwVyY82qhwSiTuqJKVKudLtG7Ys3AaR4oGvNGjTnloIY8MXWqb2mT+Z4co p2oatktkP04Pdui5QjzMDLAZ0//7t/qSj/uNOyCwm/Rb0uxvNH3cp9oi5DWNCg3IH9k8 fwfVwNPLn4jhIs/2YnnLKaVDnDqmNudJ9vi2ZznkBxgA3fM3F8EpO6A09z2NiLev/G1D rXQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685997807; x=1688589807; 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=ICeGZIs40frckeRMgP118BFqvwVxt76v5BvLpjWGtEE=; b=UumU3AiwVrI6Vkqzm6jUB5a/DqPi/mSXsjj+haUkPK0q8Eb1Ray9YfOKqXD4Ne8TvL 8UghVU3Qw19oNcMd5M6xKJhaSP9OTbsYSo2f+YwecUrAMtOrYhkhvgJzyzrU3snte3+E npek1Qrds1YkneeDZ3vKf+URlXrjVON7Fv4tdqYzTtWDzBbu3x1IJ5IVbAixkAJYY+5S +1dd1YQpa4uEVbajf/XLzfuSox7j4i7CLXmv/OMxP9ZpZw05OdUoLdjevr+jbmR+iFJa fJUhxssOoyEw8THc+MKUY0+7xJEFYXSFnNiPYF/1+Lzc57IELUnSLXyy+/qHrywRUVuH I/yg== X-Gm-Message-State: AC+VfDzXq+Yl2uIFWzqD7Vd+4ZHW+sR0lNXFxxEYovcp4SH8jjTPjmLG BB0KRJWsERq77m4tKX3hs6y2eaouRgE= X-Google-Smtp-Source: ACHHUZ5Y6uNx7raB+b8cOh1cZPGPMICHINl67pBE3CnRSWyuk0uYk4gqIBKJkpyLzOmSFt11urQuIsG3rBo= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a25:c08f:0:b0:ba8:93c3:2e3 with SMTP id c137-20020a25c08f000000b00ba893c302e3mr7576051ybf.13.1685997807753; Mon, 05 Jun 2023 13:43:27 -0700 (PDT) Date: Mon, 5 Jun 2023 13:43:25 -0700 In-Reply-To: <20230424225854.4023978-4-aaronlewis@google.com> Mime-Version: 1.0 References: <20230424225854.4023978-1-aaronlewis@google.com> <20230424225854.4023978-4-aaronlewis@google.com> Message-ID: Subject: Re: [PATCH v2 3/6] KVM: selftests: Add additional pages to the guest to accommodate ucall From: Sean Christopherson To: Aaron Lewis Cc: kvm@vger.kernel.org, pbonzini@redhat.com, jmattson@google.com Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Apr 24, 2023, Aaron Lewis wrote: > Add additional pages to the guest to account for the number of pages > the ucall framework uses. > > This is done in preparation for adding string formatting options to > the guest through ucall helpers. IIUC, this is a bug fix, but things work today because the ucall overhead is small enough to be covered by the arbitrary 512 page buffer. If that's correct, please state that in the changelog.