linux-kernel - Re: linux-next: Tree for Jul 10

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Message-ID: <e519f1c2-9761-4866-4878-09cc3da23d1f@infradead.org>
Date:   Sun, 12 Jul 2020 19:19:51 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Andy Shevchenko <andriy.shevchenko@...el.com>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: linux-next: Tree for Jul 10

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@...el.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