From: kbuild test robot <lkp@intel.com>
To: Sergey Dyasli <sergey.dyasli@citrix.com>
Cc: Juergen Gross <jgross@suse.com>,
Sergey Dyasli <sergey.dyasli@citrix.com>,
Stefano Stabellini <sstabellini@kernel.org>,
kbuild-all@lists.01.org,
Ross Lagerwall <ross.lagerwall@citrix.com>,
George Dunlap <george.dunlap@citrix.com>,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
xen-devel@lists.xen.org, linux-mm@kvack.org,
Alexander Potapenko <glider@google.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [Xen-devel] [PATCH v2 2/4] x86/xen: add basic KASAN support for PV kernel
Date: Tue, 21 Jan 2020 22:54:06 +0800 [thread overview]
Message-ID: <202001212029.9ELs7wyb%lkp@intel.com> (raw)
In-Reply-To: <20200117125834.14552-3-sergey.dyasli@citrix.com>
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Hi Sergey,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on xen-tip/linux-next]
[also build test ERROR on tip/x86/mm tip/auto-latest linux/master linus/master v5.5-rc7 next-20200117]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Sergey-Dyasli/basic-KASAN-support-for-Xen-PV-domains/20200118-073544
base: https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next
config: i386-randconfig-f003-20200120 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/x86//xen/mmu_pv.c: In function 'xen_pv_kasan_early_init':
>> arch/x86//xen/mmu_pv.c:1778:16: error: 'kasan_early_shadow_pud' undeclared (first use in this function); did you mean 'kasan_free_shadow'?
set_page_prot(kasan_early_shadow_pud, PAGE_KERNEL_RO);
^~~~~~~~~~~~~~~~~~~~~~
kasan_free_shadow
arch/x86//xen/mmu_pv.c:1778:16: note: each undeclared identifier is reported only once for each function it appears in
>> arch/x86//xen/mmu_pv.c:1779:16: error: 'kasan_early_shadow_pmd' undeclared (first use in this function); did you mean 'kasan_early_shadow_pud'?
set_page_prot(kasan_early_shadow_pmd, PAGE_KERNEL_RO);
^~~~~~~~~~~~~~~~~~~~~~
kasan_early_shadow_pud
>> arch/x86//xen/mmu_pv.c:1780:16: error: 'kasan_early_shadow_pte' undeclared (first use in this function); did you mean 'kasan_early_shadow_pmd'?
set_page_prot(kasan_early_shadow_pte, PAGE_KERNEL_RO);
^~~~~~~~~~~~~~~~~~~~~~
kasan_early_shadow_pmd
vim +1778 arch/x86//xen/mmu_pv.c
1774
1775 pgd_t * __init xen_pv_kasan_early_init(void)
1776 {
1777 /* PV page tables must be read-only */
> 1778 set_page_prot(kasan_early_shadow_pud, PAGE_KERNEL_RO);
> 1779 set_page_prot(kasan_early_shadow_pmd, PAGE_KERNEL_RO);
> 1780 set_page_prot(kasan_early_shadow_pte, PAGE_KERNEL_RO);
1781
1782 /* Return a pointer to the initial PV page tables */
1783 return (pgd_t *)xen_start_info->pt_base;
1784 }
1785
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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next prev parent reply other threads:[~2020-01-21 14:55 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-17 12:58 [Xen-devel] [PATCH v2 0/4] basic KASAN support for Xen PV domains Sergey Dyasli
2020-01-17 12:58 ` [Xen-devel] [PATCH v2 1/4] kasan: introduce set_pmd_early_shadow() Sergey Dyasli
2020-01-17 12:58 ` [Xen-devel] [PATCH v2 2/4] x86/xen: add basic KASAN support for PV kernel Sergey Dyasli
2020-01-17 14:56 ` Boris Ostrovsky
2020-01-22 11:13 ` Sergey Dyasli
2020-01-21 14:54 ` kbuild test robot [this message]
2020-01-21 16:25 ` kbuild test robot
2020-01-17 12:58 ` [Xen-devel] [PATCH v2 3/4] xen: teach KASAN about grant tables Sergey Dyasli
2020-01-17 12:58 ` [Xen-devel] [PATCH v2 4/4] xen/netback: fix grant copy across page boundary Sergey Dyasli
2020-01-20 8:58 ` Paul Durrant
2020-01-22 10:07 ` Sergey Dyasli
2020-01-22 14:05 ` Wei Liu
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