Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: linux-next: Tree for Jul 10
To:     Stephen Rothwell <sfr@canb.auug.org.au>,
        Andy Shevchenko <andriy.shevchenko@intel.com>
Cc:     Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>
References: <20200710183318.7b808092@canb.auug.org.au>
 <20200712155604.GA342822@smile.fi.intel.com>
 <20200713080152.63ee1246@canb.auug.org.au>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <e519f1c2-9761-4866-4878-09cc3da23d1f@infradead.org>
Date:   Sun, 12 Jul 2020 19:19:51 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.9.0
MIME-Version: 1.0
In-Reply-To: <20200713080152.63ee1246@canb.auug.org.au>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 7/12/20 3:01 PM, Stephen Rothwell wrote:
> Hi Andy,
> 
> On Sun, 12 Jul 2020 18:56:04 +0300 Andy Shevchenko <andriy.shevchenko@intel.com> wrote:
>>
>> On Fri, Jul 10, 2020 at 06:33:18PM +1000, Stephen Rothwell wrote:
>>>
>>> Changes since 20200709:
>>
>> I can't build it on Debian with Sparse enabled
>>
>> CC      init/main.o
>> init/main.c:760:20: warning: no previous prototype for ‘mem_encrypt_init’ [-Wmissing-prototypes]
>> 760 | void __init __weak mem_encrypt_init(void) { }
>> |                    ^~~~~~~~~~~~~~~~
>> CHECK   /home/andy/prj/linux-topic-uart/init/main.c
>> include/linux/compiler.h:309:16: error: typename in expression
>> include/linux/compiler.h:309:16: error: Expected ) in function call
>> include/linux/compiler.h:309:16: error: got :
>> ...
>> (All READ_ONCE() entries fail)
>>
>> Is it known issue?
> 
> Not that I am aware of at the moment.  Does next-20200709 work?  Does
> Linus' tree work?  The only obvious thing I can think of is commit

I'm hitting this same thing on 5.8-rc5. (x86_64)


> 6ec4476ac825 ("Raise gcc version requirement to 4.9")
> 
> The commmit message says:
> 
>     Using _Generic also means that you will need to have a very recent
>     version of 'sparse', but thats easy to build yourself, and much less of
>     a hassle than some old gcc version can be.
> 


-- 
~Randy