xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>
Subject: Re: [PATCH 1/5] x86/build: limit rebuilding of asm-offsets.h
Date: Mon, 28 Dec 2020 13:00:28 +0100	[thread overview]
Message-ID: <20201228120028.f5clmk4jr3jrlo7b@Air-de-Roger> (raw)
In-Reply-To: <d437bdbf-3047-06ad-2fe8-f445cf8b3240@suse.com>

On Wed, Nov 25, 2020 at 09:45:56AM +0100, Jan Beulich wrote:
> This file has a long dependencies list (through asm-offsets.s) and a
> long list of dependents. IOW if any of the former changes, all of the
> latter will be rebuilt, even if there's no actual change to the
> generated file. This is the primary scenario we have the move-if-changed
> macro for.
> 
> Since debug information may easily cause the file contents to change in
> benign ways, also avoid emitting this into the output file.
> 
> Finally already before this change *.new files needed including in what
> gets removed by the "clean" target.
> 
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Acked-by: Roger Pau Monné <roger.pau@citrix.com>

> ---
> Perhaps Arm would want doing the same. In fact perhaps the rules should
> be unified by moving to common code?

Having the rule in common code would be my preference, the
prerequisites are slightly different, but I think we can sort this
out?

Thanks, Roger.


  reply	other threads:[~2020-12-28 12:01 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-25  8:42 [PATCH 0/5] x86: asm-offsets.h and !PV32 adjustments Jan Beulich
2020-11-25  8:45 ` [PATCH 1/5] x86/build: limit rebuilding of asm-offsets.h Jan Beulich
2020-12-28 12:00   ` Roger Pau Monné [this message]
2021-01-04 13:46     ` Jan Beulich
2020-11-25  8:49 ` [PATCH 2/5] x86/build: limit #include-ing by asm-offsets.c Jan Beulich
2020-12-28 12:54   ` Roger Pau Monné
2021-01-04 13:48     ` Jan Beulich
2020-11-25  8:49 ` [PATCH 3/5] x86/build: restrict contents of asm-offsets.h when !HVM / !PV Jan Beulich
2020-12-28 13:07   ` Roger Pau Monné
2020-11-25  8:50 ` [PATCH 4/5] x86: hypercall vector is unused when !PV32 Jan Beulich
2020-12-28 13:37   ` Roger Pau Monné
2020-11-25  8:51 ` [PATCH 5/5] x86: don't build unused entry code " Jan Beulich
2020-12-28 15:30   ` Roger Pau Monné
2021-01-04 13:56     ` Jan Beulich
2021-01-04 15:53       ` Roger Pau Monné
2021-01-04 16:11         ` Jan Beulich
2021-04-01  7:51         ` Ping: " Jan Beulich
2021-04-01 14:01   ` Roger Pau Monné
2021-04-01 14:20     ` Jan Beulich
2021-04-06  9:52     ` Jan Beulich
2021-04-01 14:31   ` Andrew Cooper
2021-04-01 14:37     ` Jan Beulich
2021-04-06 17:34       ` Andrew Cooper
2021-04-07  7:54         ` Jan Beulich

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201228120028.f5clmk4jr3jrlo7b@Air-de-Roger \
    --to=roger.pau@citrix.com \
    --cc=andrew.cooper3@citrix.com \
    --cc=jbeulich@suse.com \
    --cc=wl@xen.org \
    --cc=xen-devel@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).