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 D3FB4C433EF for ; Fri, 17 Jun 2022 17:05:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235898AbiFQRFs (ORCPT ); Fri, 17 Jun 2022 13:05:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229593AbiFQRFr (ORCPT ); Fri, 17 Jun 2022 13:05:47 -0400 Received: from mail-il1-x136.google.com (mail-il1-x136.google.com [IPv6:2607:f8b0:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A377F20F49 for ; Fri, 17 Jun 2022 10:05:46 -0700 (PDT) Received: by mail-il1-x136.google.com with SMTP id y17so3364468ilj.11 for ; Fri, 17 Jun 2022 10:05:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=4H2OpO4Kq2nG0nxCJ9datcKzR+qnlWf0xbhrv9fe1rg=; b=TAW7FS7zVXqHvHquvWRUQSMyzmPJ7tVyu2hHHYvaoGtbMpC3bvIPJXHUxS9qNhnINm wSXH9O+r0cwO6KhCpDEx338Kah83pU5a3zDo9kRz9MGy4ghVVUq07fZhEOaB+H7/tBHE pxfoQYK9cyLp6rM03k/p676mk+vzD2+ivKwtSld2NPfIB6UgCvYUtGuDYBsbMkS6+gTo D3qN/kHn4K+B3p5f5lVhB+VC3WhGti/2TGpGL07sdlUYqoZhZKx5dnzs4GMQZwV8aWv/ meOmImm6DM4nFffycP2bPx/OQn62KZQZu5a44W3Jcg2odtaG57Nqkn2XuXXAmXbf04uE +SNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=4H2OpO4Kq2nG0nxCJ9datcKzR+qnlWf0xbhrv9fe1rg=; b=jAQmb2vs41D0IdqYWPgIrBoQzZB/65Y1J0W7qWiEzq0ilUVANtGz14WuHy+qYpCOnc aiYTGwfx7jT4s/ZZfEfW9iYSIZJYkYtRM6p5WfCxBqpdLcTfklnq8uXPeE7U6nG9WBoS 3iDPqSOREyJiHD+j7wHnOWnNBT6a8AP9yPdn6PXiKjAAGH9BgSywxMXhyWo87VjQbVZi 5uJ2z03XN37lRZd5LNWRT+AJjbxjN6zJkgSo85WDUEmUNTNW02BYopUM8A9wMpAXlXno ncl7fSIfyDBi/CINAb5McT5VZq2h0/RFylUt/XCuJgCiUy4sWTw52ATZOlifglxhDX6n aaEw== X-Gm-Message-State: AJIora+kZ1Soa0k2g133BENOL/AIkhocUNuUg2Q1Qir6pfFef58s1dXN fOWOj2k9PDUMk3YfIeAWFvtCDQ== X-Google-Smtp-Source: AGRyM1v7haoW1qtEvfc6oB7VBdPNkjITEbnsE7OeCDQzUUJ+pWxoufWWLAR+Wwwpo1c+rmP0BujHbQ== X-Received: by 2002:a92:d309:0:b0:2d8:e639:4e02 with SMTP id x9-20020a92d309000000b002d8e6394e02mr1742450ila.313.1655485545817; Fri, 17 Jun 2022 10:05:45 -0700 (PDT) Received: from google.com (110.41.72.34.bc.googleusercontent.com. [34.72.41.110]) by smtp.gmail.com with ESMTPSA id p4-20020a927404000000b002d1d8de99e7sm511812ilc.40.2022.06.17.10.05.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jun 2022 10:05:45 -0700 (PDT) Date: Fri, 17 Jun 2022 17:05:42 +0000 From: Colton Lewis To: Andrew Jones Cc: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com, thuth@redhat.com, maz@kernel.org Subject: Re: [PATCH 2/4] KVM: selftests: Increase UCALL_MAX_ARGS to 7 Message-ID: References: <20220615193116.806312-1-coltonlewis@google.com> <20220615193116.806312-3-coltonlewis@google.com> <20220616121006.ch6x7du6ycevjo5m@gator> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220616121006.ch6x7du6ycevjo5m@gator> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, Jun 16, 2022 at 02:10:06PM +0200, Andrew Jones wrote: > We probably want to ensure all architectures are good with this. afaict, > riscv only expects 6 args and uses UCALL_MAX_ARGS to cap the ucall inputs, > for example. All architectures use UCALL_MAX_ARGS for that. Are you saying there might be limitations beyond the value of the macro? If so, who should verify whether this is ok?