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SubjectRe: [PATCH v6 10/34] x86, x86/mm, x86/xen, olpc: Use __va() against just the physical address in cr3
Hi Tom,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.12-rc4 next-20170607]
[cannot apply to tip/x86/core]
[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/Tom-Lendacky/x86-Secure-Memory-Encryption-AMD/20170608-104147
config: um-x86_64_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=um SUBARCH=x86_64

All errors (new ones prefixed by >>):

In file included from arch/x86/include/asm/cacheflush.h:6:0,
from include/linux/highmem.h:11,
from net/core/sock.c:116:
arch/x86/include/asm/special_insns.h: In function 'native_read_cr3_pa':
>> arch/x86/include/asm/special_insns.h:239:30: error: 'PHYSICAL_PAGE_MASK' undeclared (first use in this function)
return (native_read_cr3() & PHYSICAL_PAGE_MASK);
^~~~~~~~~~~~~~~~~~
arch/x86/include/asm/special_insns.h:239:30: note: each undeclared identifier is reported only once for each function it appears in
arch/x86/include/asm/special_insns.h: In function 'read_cr3_pa':
arch/x86/include/asm/special_insns.h:244:23: error: 'PHYSICAL_PAGE_MASK' undeclared (first use in this function)
return (read_cr3() & PHYSICAL_PAGE_MASK);
^~~~~~~~~~~~~~~~~~

vim +/PHYSICAL_PAGE_MASK +239 arch/x86/include/asm/special_insns.h

233 }
234
235 #define nop() asm volatile ("nop")
236
237 static inline unsigned long native_read_cr3_pa(void)
238 {
> 239 return (native_read_cr3() & PHYSICAL_PAGE_MASK);
240 }
241
242 static inline unsigned long read_cr3_pa(void)

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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