linux-kernel - Re: [PATCH] kbuild: introduce ccflags-remove-y and asflags-remove-y

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Message-ID: <CAK7LNARg_B+tcbduBzrh2_Q3dwk_XxDcaw+sMTwsMOxNYM7hnQ@mail.gmail.com>
Date:   Tue, 7 Jul 2020 03:14:40 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Anders Roxell <anders.roxell@...aro.org>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Ingo Molnar <mingo@...hat.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Paul Mackerras <paulus@...ba.org>,
        Rich Felker <dalias@...c.org>,
        Russell King <linux@...linux.org.uk>,
        Steven Rostedt <rostedt@...dmis.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] kbuild: introduce ccflags-remove-y and asflags-remove-y

Hi Anders,

On Mon, Jul 6, 2020 at 8:24 PM Anders Roxell <anders.roxell@...aro.org> wrote:
>

> The full log can be found here [1].
>
> Without this patch for  'trace_selftest_dynamic' for instance, CC_FLAGS_FTRACE
> was removed from kernel/trace/*, and then added back to
> kernel/trace/trace_selftest_dynamic.
> While with this patch it looks like we add the flag (even though it is
> already there), and then
> removes the flag for all files in kernel/trace/* .


You are right.

I will drop this patch,
and send v2.


Thank you.




-- 
Best Regards
Masahiro Yamada