linux-kernel - Re: [PATCH v2] MIPS: undefine and redefine cpu_has

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Message-ID: <alpine.DEB.2.21.2205011230100.9383@angie.orcam.me.uk>
Date:   Sun, 1 May 2022 12:31:52 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@...am.me.uk>
To:     Stephen Zhang <starzhangzsd@...il.com>
cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        liam.howlett@...cle.com, ebiederm@...ssion.com, alobakin@...me,
        f.fainelli@...il.com, paul@...pouillou.net, linux@...ck-us.net,
        anemo@....ocn.ne.jp, zhangshida <zhangshida@...inos.cn>,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org
Subject: Re: [PATCH v2] MIPS: undefine and redefine cpu_has_fpu when it is
 overrided

On Sun, 1 May 2022, Stephen Zhang wrote:

> Thanks for your elaboration.It helps a lot.
> I want to submit a v3 patch like:
> 
> #if cpu_has_fpu
> # error "Forcing `cpu_has_fpu' to non-zero is not supported"
> #endif
> 
> but this will cause the link error if not combined with the fix:
> 
> MIPS: IP30: Remove incorrect `cpu_has_fpu' override
> 
> Maybe I should submit one first, and see how it goes then.

 Let's wait a couple of days until the fixes required have been queued.

  Maciej