From: Dave Jiang <dave.jiang@intel•com>
To: Kees Cook <keescook@google•com>,
Alexander Kapshuk <alexander.kapshuk@gmail•com>,
Matthew Wilcox <mawilcox@microsoft•com>,
Andrew Morton <akpm@linux-foundation•org>
Cc: Linux-Next <linux-next@vger•kernel.org>,
"x86@kernel•org" <x86@kernel•org>
Subject: Re: redefinition of ‘native_pud_clear’ error on x86
Date: Tue, 14 Feb 2017 12:42:01 -0700 [thread overview]
Message-ID: <32aa9635-c0a1-4085-5ba8-8b41f5cabcbd@intel.com> (raw)
In-Reply-To: <CAGXu5jKpNZNdxPfPKSuE+oAHdXp8Rgv0tD_o-bR=as-N4YaPxQ@mail.gmail.com>
On 02/14/2017 12:31 PM, Kees Cook wrote:
> On Tue, Feb 14, 2017 at 8:14 AM, Alexander Kapshuk
> <alexander.kapshuk@gmail•com> wrote:
>> I'm getting this error on x86 when compiling next-20170214.
>> Any advice on how to fix this would be much appreciated.
>>
>> time make -j2
>> ...
>> CC arch/x86/kernel/asm-offsets.s
>> GEN scripts/gdb/linux/constants.py
>> In file included from ./include/linux/mm.h:68:0,
>> from ./include/linux/suspend.h:8,
>> from arch/x86/kernel/asm-offsets.c:12:
>> ./arch/x86/include/asm/pgtable.h:66:26: error: redefinition of
>> ‘native_pud_clear’
>> #define pud_clear(pud) native_pud_clear(pud)
>> ^
>> ./arch/x86/include/asm/pgtable-3level.h:128:20: note: in expansion of
>> macro ‘pud_clear’
>> static inline void pud_clear(pud_t *pudp)
>> ^
>> In file included from ./arch/x86/include/asm/pgtable_32.h:44:0,
>> from ./arch/x86/include/asm/pgtable.h:581,
>> from ./include/linux/mm.h:68,
>> from ./include/linux/suspend.h:8,
>> from arch/x86/kernel/asm-offsets.c:12:
>> ./arch/x86/include/asm/pgtable-3level.h:124:20: note: previous
>> definition of ‘native_pud_clear’ was here
>> static inline void native_pud_clear(pud_t *pudp)
>> ^
>> make[1]: *** [Kbuild:82: arch/x86/kernel/asm-offsets.s] Error 1
>> make: *** [Makefile:1033: prepare0] Error 2
>>
>> real 0m10.637s
>> user 0m9.466s
>> sys 0m2.752s
>
> Seems like it's related to "mm, x86: add support for PUD-sized
> transparent hugepages".
Can I please get a config file to reproduce? Thanks!
>
> -Kees
>
prev parent reply other threads:[~2017-02-14 19:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-14 16:14 redefinition of ‘native_pud_clear’ error on x86 Alexander Kapshuk
2017-02-14 19:31 ` Kees Cook
2017-02-14 19:42 ` Dave Jiang [this message]
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