From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: kbuild test robot <lkp@intel.com>
Cc: kbuild-all@01.org, x86@kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Andi Kleen <ak@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Andy Lutomirski <luto@amacapital.net>,
Dan Williams <dan.j.williams@intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-api@vger.kernel.org
Subject: Re: [PATCHv5, REBASED 9/9] x86/mm: Allow to have userspace mappings above 47-bits
Date: Mon, 15 May 2017 22:48:00 +0300 [thread overview]
Message-ID: <20170515194759.di5pojt46e2lxo2p@black.fi.intel.com> (raw)
In-Reply-To: <201705152204.F4FmHH4W%fengguang.wu@intel.com>
On Mon, May 15, 2017 at 10:49:43PM +0800, kbuild test robot wrote:
> Hi Kirill,
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.12-rc1 next-20170515]
> [cannot apply to tip/x86/core xen-tip/linux-next]
> [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/Kirill-A-Shutemov/x86-5-level-paging-enabling-for-v4-12-Part-4/20170515-202736
> config: i386-defconfig (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All error/warnings (new ones prefixed by >>):
>
> In file included from include/linux/cache.h:4:0,
> from include/linux/printk.h:8,
> from include/linux/kernel.h:13,
> from mm/mmap.c:11:
> mm/mmap.c: In function 'arch_get_unmapped_area_topdown':
> arch/x86/include/asm/processor.h:878:50: error: 'TASK_SIZE_LOW' undeclared (first use in this function)
> #define TASK_UNMAPPED_BASE __TASK_UNMAPPED_BASE(TASK_SIZE_LOW)
Thanks. Fixup is below.
Let me know if I need to send the full patch:
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index aaed58b03ddb..65663de9287b 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -794,6 +794,7 @@ static inline void spin_lock_prefetch(const void *x)
*/
#define IA32_PAGE_OFFSET PAGE_OFFSET
#define TASK_SIZE PAGE_OFFSET
+#define TASK_SIZE_LOW TASK_SIZE
#define TASK_SIZE_MAX TASK_SIZE
#define DEFAULT_MAP_WINDOW TASK_SIZE
#define STACK_TOP TASK_SIZE
--
Kirill A. Shutemov
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next prev parent reply other threads:[~2017-05-15 19:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-15 12:12 [PATCHv5, REBASED 0/9] x86: 5-level paging enabling for v4.12, Part 4 Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 1/9] x86/asm: Fix comment in return_from_SYSCALL_64 Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 2/9] x86/boot/64: Rewrite startup_64 in C Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 3/9] x86/boot/64: Rename init_level4_pgt and early_level4_pgt Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 4/9] x86/boot/64: Add support of additional page table level during early boot Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 5/9] x86/mm: Add sync_global_pgds() for configuration with 5-level paging Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 6/9] x86/mm: Make kernel_physical_mapping_init() support " Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 7/9] x86/mm: Add support for 5-level paging for KASLR Kirill A. Shutemov
2017-05-15 12:12 ` [PATCHv5, REBASED 8/9] x86: Enable 5-level paging support Kirill A. Shutemov
2017-05-15 12:31 ` Juergen Gross
2017-05-15 14:11 ` Kirill A. Shutemov
2017-05-15 14:13 ` Juergen Gross
2017-05-15 12:12 ` [PATCHv5, REBASED 9/9] x86/mm: Allow to have userspace mappings above 47-bits Kirill A. Shutemov
2017-05-15 14:49 ` kbuild test robot
2017-05-15 19:48 ` Kirill A. Shutemov [this message]
2017-05-18 11:43 ` Michal Hocko
2017-05-18 15:19 ` Kirill A. Shutemov
2017-05-18 15:27 ` Michal Hocko
2017-05-18 15:41 ` Kirill A. Shutemov
2017-05-18 15:50 ` Michal Hocko
2017-05-18 15:59 ` Michal Hocko
2017-05-18 16:22 ` Kirill A. Shutemov
2017-05-18 17:13 ` Michal Hocko
2017-05-18 17:51 ` Michal Hocko
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