linux-kernel - Re: [RFC PATCH] kbuild: Add an option to enable -O1 and speed-up compilation time

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Message-ID: <002f1094-3232-75c0-44e8-1ea77749cc2e@wanadoo.fr>
Date:   Mon, 23 May 2022 22:44:48 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Dan <dan.carpenter@...cle.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [RFC PATCH] kbuild: Add an option to enable -O1 and speed-up
 compilation time

Le 23/05/2022 à 22:25, Miguel Ojeda a écrit :
> Hi Christophe,
> 
> On Mon, May 23, 2022 at 9:11 AM Christophe JAILLET
> <christophe.jaillet@...adoo.fr> wrote:
>>
>> +KBUILD_RUSTFLAGS_OPT_LEVEL_MAP := 1
> 
> The patch seems based on linux-next -- is this intended? Thanks!

Yes, I work on -next.

Honestly, this "RUST flag" was just a mimic of the KBUILD_CFLAGS.
No real opinion on it, I just put something that looked consistent for a 
patch that was only a RFC.

CJ

> 
> Cheers,
> Miguel
>