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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 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 72A4BC3A5A0 for ; Mon, 19 Aug 2019 15:26:10 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3C82F2082C for ; Mon, 19 Aug 2019 15:26:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="NnBPzuVG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C82F2082C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hzjWn-00042B-GM; Mon, 19 Aug 2019 15:25:01 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hzjWl-00041v-R1 for xen-devel@lists.xenproject.org; Mon, 19 Aug 2019 15:25:00 +0000 X-Inumbo-ID: 7cffcbc4-c295-11e9-b90c-bc764e2007e4 Received: from merlin.infradead.org (unknown [2001:8b0:10b:1231::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 7cffcbc4-c295-11e9-b90c-bc764e2007e4; Mon, 19 Aug 2019 15:24:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Mime-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=NtrmsdreIzsgdDXBst+hJgdoWwdXI78wMDKUYJGtBsU=; b=NnBPzuVGKpm3jwFq9XBTcLb/O WmAo2Iw/s0ZLaiNyTzXUmJBwyQZDw2f5S+Z8pk1AO+RI1DL3EJa0YFayUcnAdIImJWxIkFoYSg/MG vXsOXQ7A0Lxx07NR38w6wVF8vhfTkYJxOSRWzVt+PN1N6Eq+K/Iy37W7kP2xJzkzAdBOluTsEqfGL azesK8INnWnd2k/tpuumQsqOUqboMJxL9MISJdXIbW1qgCTxPF37uwiJG23Dxm8EdMCLIoZf9e5Ep /q7mz6XKgroYyqmOdUeTyUEhFs22ljIl1ET2eBFOiwQospzPKsHgTlQ3EarU3SvY3W5iKrQlPlbNj rSfgTSBKA==; Received: from [2001:8b0:10b:1::eed] (helo=u3832b3a9db3152.ant.amazon.com) by merlin.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hzjWc-0000af-PL; Mon, 19 Aug 2019 15:24:51 +0000 Message-ID: <35a8cd053ddf7129808c9e2755c4e7fe0d1a5c60.camel@infradead.org> From: David Woodhouse To: Jan Beulich Date: Mon, 19 Aug 2019 17:24:49 +0200 In-Reply-To: <6a051513-e462-e93a-3118-b722fa5ccdaa@suse.com> References: <759652afb52a3258f0da44de61ed28d0875774f8.camel@infradead.org> <6a051513-e462-e93a-3118-b722fa5ccdaa@suse.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.1 Mime-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org. See http://www.infradead.org/rpr.html Subject: Re: [Xen-devel] [PATCH v2 4/6] x86/boot: Rename trampoline_{start, end} to boot_trampoline_{start, end} X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel , Roger Pau =?ISO-8859-1?Q?Monn=E9?= , Wei Liu , Andrew Cooper Content-Type: multipart/mixed; boundary="===============1773349334227346036==" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" --===============1773349334227346036== Content-Type: multipart/signed; micalg="sha-256"; protocol="application/x-pkcs7-signature"; boundary="=-TiC9Oel6ByIoYuwCDS8Q" --=-TiC9Oel6ByIoYuwCDS8Q Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2019-08-12 at 11:55 +0200, Jan Beulich wrote: > On 09.08.2019 17:02, David Woodhouse wrote: > > From: David Woodhouse > >=20 > > In preparation for splitting the boot and permanent trampolines from > > each other. Some of these will change back, but most are boot so do the > > plain search/replace that way first, then a subsequent patch will extra= ct > > the permanent trampoline code. >=20 > To be honest I don't view it as helpful to do things in this order. > If you first re-arranged the ordering of items within the trampoline, > we'd then not end up with an intermediate state where the labels are > misleading. Is there a reason things can't sensibly be done the other > way around? Obviously I did all this in a working tree first, swore at it a lot and finally got it working, then attempted to split it up into separate meaningful commits which individually made sense. There is plenty of room for subjectivity in the choices I made in that last step. I'm not sure I quite see why you say the labels are misleading. My intent was to apply labels based on what each object is *used* for, despite the fact that to start with they're all actually in the same place. And then to actually move each different type of symbol into its separate section/location to clean things up. Is it just the code comments at the start of trampoline.S that you find misleading in the interim stage? Because those *don't* purely talk about what bootsym/bootdatasym/trampsym/tramp32sym are used for; they do say how they are (eventually) relocated. I suppose I could rip that code comment out of patch #3 completely and add it again in a later commit... or just just add it again. I write code comments in an attempt to be helpful to those who come after me (especially when that's actually myself) but if they're going to cause problems, then maybe they're more hassle than they're worth? --=-TiC9Oel6ByIoYuwCDS8Q Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCECow ggUcMIIEBKADAgECAhEA4rtJSHkq7AnpxKUY8ZlYZjANBgkqhkiG9w0BAQsFADCBlzELMAkGA1UE BhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgG A1UEChMRQ09NT0RPIENBIExpbWl0ZWQxPTA7BgNVBAMTNENPTU9ETyBSU0EgQ2xpZW50IEF1dGhl bnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0EwHhcNMTkwMTAyMDAwMDAwWhcNMjIwMTAxMjM1 OTU5WjAkMSIwIAYJKoZIhvcNAQkBFhNkd213MkBpbmZyYWRlYWQub3JnMIIBIjANBgkqhkiG9w0B AQEFAAOCAQ8AMIIBCgKCAQEAsv3wObLTCbUA7GJqKj9vHGf+Fa+tpkO+ZRVve9EpNsMsfXhvFpb8 RgL8vD+L133wK6csYoDU7zKiAo92FMUWaY1Hy6HqvVr9oevfTV3xhB5rQO1RHJoAfkvhy+wpjo7Q 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