From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paul Burton <paul.burton@imgtec.com>
Subject: Re: [PATCH v2] LED/MIPS: Move SEAD3 LED driver to where it belongs.
Date: Fri, 18 Sep 2015 14:05:49 -0700
Message-ID: <20150918210549.GD16992@NP-P-BURTON>
References: <20150803150401.GD2843@linux-mips.org>
 <55FA7BA0.4080706@samsung.com>
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To: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Ralf Baechle <ralf@linux-mips.org>, Bryan Wu <cooloney@gmail.com>, Richard Purdie <rpurdie@rpsys.net>, Markos Chandras <markos.chandras@imgtec.com>, linux-leds@vger.kernel.org, linux-mips@linux-mips.org

On Thu, Sep 17, 2015 at 10:36:48AM +0200, Jacek Anaszewski wrote:
> Hi Ralf,
> 
> This patch got stuck somewhere in my mailbox and just
> recently showed up to my eyes again, so I applied it to v4.3-rc1, but when
> tried to compile-test it, I got following errors:
> 
> arch/mips/kernel/signal.c: In function 'sc_to_extcontext':
> arch/mips/kernel/signal.c:143:12: error: 'struct ucontext' has no member
> named 'uc_extcontext'
>   return &uc->uc_extcontext;
>             ^

<snip...>

> Compilation succeeds with v4.2-rc8.
> Is it a known issue?

Hi Jacek,

The patches adding the MSA extended context added a MIPS-specific
ucontext.h, where we were previously were using the generic one. Kbuild
doesn't automatically remove the old generated header that includes the
generic version, so could you try either cleaning your working tree or
removing arch/mips/include/generated and trying again?

Thanks,
    Paul