From: Nathan Chancellor <nathan@kernel.org>
To: Luis Augenstein <luis.augenstein@tngtech.com>
Cc: nsc@kernel.org, linux-kbuild@vger.kernel.org,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
gregkh@linuxfoundation.org, kstewart@linuxfoundation.org,
maximilian.huber@tngtech.com
Subject: Re: [PATCH 1/1] kbuild: record real-prereqs in .cmd files
Date: Mon, 24 Aug 2026 23:22:42 -0400 [thread overview]
Message-ID: <20260825032242.GA1218443@ax162> (raw)
In-Reply-To: <1efb52b4-1a78-4c4e-aea1-6c8b426a8538@tngtech.com>
On Fri, Aug 21, 2026 at 09:57:03PM +0200, Luis Augenstein wrote:
> True, some Make prerequisites also appear in deps_*, so the filter
> dropped them from make_prereqs_* on incremental builds.
>
> However, we cannot just remove the filter. After the .cmd is included,
> $(real-prereqs) contains $(deps_$@), so the whole deps_* list would
> show up in make_prereqs_* on a rebuild.
Ah, makes sense.
> We could move the filter into fixdep and filter based on the new .d file, so
> the overlap is removed already on a clean build.
If this is not that complicated, I would not mind seeing what it looked
like.
--
Cheers,
Nathan
prev parent reply other threads:[~2026-08-25 3:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-14 11:21 [PATCH 0/1] kbuild: record real-prereqs in .cmd files Luis Augenstein
2026-08-14 11:21 ` [PATCH 1/1] " Luis Augenstein
2026-08-18 19:51 ` Nathan Chancellor
2026-08-21 19:57 ` Luis Augenstein
2026-08-25 3:22 ` Nathan Chancellor [this message]
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=20260825032242.GA1218443@ax162 \
--to=nathan@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=gregkh@linuxfoundation.org \
--cc=kstewart@linuxfoundation.org \
--cc=linux-kbuild@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luis.augenstein@tngtech.com \
--cc=maximilian.huber@tngtech.com \
--cc=nsc@kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.