linux-kernel - Re: sparc64 WARNING: at mm/mmap.c:2757 exit

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Message-ID: <alpine.SOC.1.00.1407310101550.2065@math.ut.ee>
Date:	Thu, 31 Jul 2014 01:02:53 +0300 (EEST)
From:	Meelis Roos <mroos@...ux.ee>
To:	David Miller <davem@...emloft.net>
cc:	aaro.koskinen@....fi, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org, hughd@...gle.com,
	cat.schulze@...ce-dsl.net
Subject: Re: sparc64 WARNING: at mm/mmap.c:2757 exit_mmap+0x13c/0x160()

> Here is something I'd like you guys to test.

Very interesting.

[...]
> Could you guys please try this patch below?  Thanks.

  CC      arch/sparc/mm/init_64.o
arch/sparc/mm/init_64.c: In function 'update_mmu_cache_pmd':
arch/sparc/mm/init_64.c:2625:6: error: 'pte' may be used uninitialized in this function [-Werror=uninitialized]

gcc 4.6.4.

-- 
Meelis Roos (mroos@...ux.ee)
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