linux-kernel - Re: [PATCH v3] mm/page_owner: ignore everything below the IRQ entry point

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Date:   Wed, 28 Mar 2018 00:00:40 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Maninder Singh <maninder1.s@...sung.com>
Cc:     kbuild-all@...org, aryabinin@...tuozzo.com, glider@...gle.com,
        dvyukov@...gle.com, kstewart@...uxfoundation.org,
        tglx@...utronix.de, pombredanne@...b.com,
        gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
        vbabka@...e.cz, sfr@...b.auug.org.au, mhocko@...e.com,
        vinmenon@...eaurora.org, gomonovych@...il.com, ayush.m@...sung.com,
        linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
        linux-mm@...ck.org, a.sahrawat@...sung.com, pankaj.m@...sung.com,
        v.narang@...sung.com, Maninder Singh <maninder1.s@...sung.com>
Subject: Re: [PATCH v3] mm/page_owner: ignore everything below the IRQ entry
 point

Hi Maninder,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc7 next-20180327]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Maninder-Singh/mm-page_owner-ignore-everything-below-the-IRQ-entry-point/20180327-215619
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=um SUBARCH=x86_64

All errors (new ones prefixed by >>):

   kernel/stacktrace.o: In function `filter_irq_stacks':
>> stacktrace.c:(.text+0x20e): undefined reference to `__irqentry_text_start'
>> stacktrace.c:(.text+0x218): undefined reference to `__irqentry_text_end'
>> stacktrace.c:(.text+0x222): undefined reference to `__softirqentry_text_start'
>> stacktrace.c:(.text+0x22c): undefined reference to `__softirqentry_text_end'
   collect2: error: ld returned 1 exit status

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