linux-kernel - randconfig build error with next-20150529, in crypto/jitterentropy.c

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Date:	Fri, 29 May 2015 12:14:38 -0700
From:	Jim Davis <jim.epost@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next <linux-next@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	linux-crypto <linux-crypto@...r.kernel.org>
Subject: randconfig build error with next-20150529, in crypto/jitterentropy.c

Building with the attached random configuration file,

In file included from ./arch/x86/include/asm/spinlock.h:46:0,
                 from include/linux/spinlock.h:87,
                 from include/linux/seqlock.h:35,
                 from include/linux/time.h:5,
                 from include/linux/stat.h:18,
                 from include/linux/module.h:10,
                 from crypto/jitterentropy.c:52:
In function ‘native_queued_spin_unlock’,
    inlined from ‘queued_spin_unlock’ at ./arch/x86/include/asm/qspinlock.h:38:2
,
    inlined from ‘do_raw_spin_unlock’ at include/linux/spinlock.h:175:2,
    inlined from ‘__raw_spin_unlock’ at include/linux/spinlock_api_smp.h:153:2,
    inlined from ‘spin_unlock’ at include/linux/spinlock.h:357:2,
    inlined from ‘jent_kcapi_cleanup’ at crypto/jitterentropy.c:844:2:
./arch/x86/include/asm/qspinlock.h:17:317: error: call to
‘__compiletime_assert_17’ declared with attribute error: Need native
word sized stores/loads for atomicity.
In function ‘native_queued_spin_unlock’,
    inlined from ‘queued_spin_unlock’ at ./arch/x86/include/asm/qspinlock.h:38:2
,
    inlined from ‘do_raw_spin_unlock’ at include/linux/spinlock.h:175:2,
    inlined from ‘__raw_spin_unlock’ at include/linux/spinlock_api_smp.h:153:2,
    inlined from ‘spin_unlock’ at include/linux/spinlock.h:357:2,
    inlined from ‘jent_kcapi_random’ at crypto/jitterentropy.c:856:2:
./arch/x86/include/asm/qspinlock.h:17:317: error: call to
‘__compiletime_assert_17’ declared with attribute error: Need native
word sized stores/loads for atomicity.
scripts/Makefile.build:264: recipe for target 'crypto/jitterentropy.o' failed

View attachment "randconfig-1432923191.txt" of type "text/plain" (86660 bytes)