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Message-ID: <201602110756.TIoksfgg%fengguang.wu@intel.com>
Date: Thu, 11 Feb 2016 07:36:39 +0800
From: kbuild test robot <lkp@...el.com>
To: Andi Kleen <andi@...stfloor.org>
Cc: kbuild-all@...org, tytso@....edu, linux-kernel@...r.kernel.org,
Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 2/3] random: Make input to output pool balancing per cpu
Hi Andi,
[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on v4.5-rc3 next-20160210]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Andi-Kleen/Make-dev-urandom-scalable/20160211-070625
config: cris-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=cris
All errors (new ones prefixed by >>):
drivers/char/random.c: In function 'credit_entropy_bits':
drivers/char/random.c:777:1: error: section attribute cannot be specified for local variables
drivers/char/random.c:777:1: error: section attribute cannot be specified for local variables
>> drivers/char/random.c:777:1: error: declaration of '__pcpu_unique_lastp' with no linkage follows extern declaration
drivers/char/random.c:777:1: note: previous declaration of '__pcpu_unique_lastp' was here
drivers/char/random.c:777:11: error: section attribute cannot be specified for local variables
drivers/char/random.c:777:11: error: section attribute cannot be specified for local variables
drivers/char/random.c:777:11: error: weak declaration of 'lastp' must be public
drivers/char/random.c:777:11: error: declaration of 'lastp' with no linkage follows extern declaration
drivers/char/random.c:777:11: note: previous declaration of 'lastp' was here
drivers/char/random.c:779:1: error: section attribute cannot be specified for local variables
drivers/char/random.c:779:1: error: section attribute cannot be specified for local variables
>> drivers/char/random.c:779:1: error: declaration of '__pcpu_unique_next_pool' with no linkage follows extern declaration
drivers/char/random.c:779:1: note: previous declaration of '__pcpu_unique_next_pool' was here
drivers/char/random.c:779:11: error: section attribute cannot be specified for local variables
drivers/char/random.c:779:11: error: section attribute cannot be specified for local variables
drivers/char/random.c:779:11: error: weak declaration of 'next_pool' must be public
drivers/char/random.c:779:11: error: declaration of 'next_pool' with no linkage follows extern declaration
drivers/char/random.c:779:11: note: previous declaration of 'next_pool' was here
vim +/__pcpu_unique_lastp +777 drivers/char/random.c
771 * full.
772 * Feed into all pools round robin.
773 */
774 if (entropy_bits > random_write_wakeup_bits &&
775 r->initialized &&
776 r->entropy_total >= 2*random_read_wakeup_bits) {
> 777 static DEFINE_PER_CPU(struct entropy_store *, lastp) =
778 &blocking_pool;
> 779 static DEFINE_PER_CPU(int, next_pool);
780 struct entropy_store *other = &blocking_pool, *last;
781 int np;
782
---
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Download attachment ".config.gz" of type "application/octet-stream" (37674 bytes)
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