From: kbuild test robot <fengguang.wu@intel.com>
To: Andy Lutomirski <luto@kernel.org>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
tipbuild@zytor.com, Thomas Gleixner <tglx@linutronix.de>
Subject: [tip:WIP.x86/pti-upstream 38/50] arch/x86/include/asm/mmu_context.h:73:18: error: 'LDT_BASE_ADDR' undeclared
Date: Sun, 17 Dec 2017 07:35:53 +0800 [thread overview]
Message-ID: <201712170751.35EfkOVP%fengguang.wu@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/pti-upstream
head: 78e4da51f7c77587cc6f419af4f63a21b289bdb7
commit: 7e482cfe4a23ead21215423c4566c8516ba21025 [38/50] x86/pti: Put the LDT in its own PGD if PTI is on
config: i386-randconfig-h0-12170619 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
git checkout 7e482cfe4a23ead21215423c4566c8516ba21025
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
In file included from arch/x86//kernel/apic/ipi.c:16:0:
arch/x86/include/asm/mmu_context.h: In function 'ldt_slot_va':
>> arch/x86/include/asm/mmu_context.h:73:18: error: 'LDT_BASE_ADDR' undeclared (first use in this function)
return (void *)(LDT_BASE_ADDR + LDT_SLOT_STRIDE * slot);
^~~~~~~~~~~~~
arch/x86/include/asm/mmu_context.h:73:18: note: each undeclared identifier is reported only once for each function it appears in
--
In file included from arch/x86//kernel/cpu/common.c:22:0:
arch/x86/include/asm/mmu_context.h: In function 'ldt_slot_va':
>> arch/x86/include/asm/mmu_context.h:73:18: error: 'LDT_BASE_ADDR' undeclared (first use in this function)
return (void *)(LDT_BASE_ADDR + LDT_SLOT_STRIDE * slot);
^~~~~~~~~~~~~
arch/x86/include/asm/mmu_context.h:73:18: note: each undeclared identifier is reported only once for each function it appears in
In file included from arch/x86//kernel/cpu/common.c:22:0:
arch/x86/include/asm/mmu_context.h:74:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
vim +/LDT_BASE_ADDR +73 arch/x86/include/asm/mmu_context.h
70
71 static inline void *ldt_slot_va(int slot)
72 {
> 73 return (void *)(LDT_BASE_ADDR + LDT_SLOT_STRIDE * slot);
74 }
75
---
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next reply other threads:[~2017-12-16 23:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-16 23:35 kbuild test robot [this message]
2017-12-17 2:50 ` Andy Lutomirski
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