Messages in this thread | | | Date | Wed, 05 Feb 2014 22:09:13 -0500 | From | Waiman Long <> | Subject | Re: [PATCH v3 0/2] qspinlock: Introducing a 4-byte queue spinlock |
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On 02/03/2014 03:51 AM, Raghavendra K T wrote: > On 01/31/2014 12:19 AM, Raghavendra K T wrote: >> On 01/30/2014 09:08 PM, Waiman Long wrote: >>> On 01/30/2014 03:55 AM, Raghavendra K T wrote: >>>> On 01/28/2014 11:49 PM, Waiman Long wrote: >> [...] >> from kernel/bounds.c:9: >>>> include/linux/log2.h: In function ‘__ilog2_u32’: >>>> include/linux/log2.h:34:2: error: implicit declaration of function >>>> ‘fls’ [-Werror=implicit-function-declaration] >>>> include/linux/log2.h: In function ‘__ilog2_u64’: >>>> include/linux/log2.h:42:2: error: implicit declaration of function >>>> ‘fls64’ [-Werror=implicit-function-declaration] >>>> include/linux/log2.h: In function ‘__roundup_pow_of_two’: >>>> . >>>> . >>>> [trimmed] >>>> >>> >>> The code will need to be compiled in either the latest linux tree as >>> the >>> patches have dependency on some new memory barrier that are in 3.14. >>> Alternatively, you can compile with the latest tip tree. >>> >>> If you have already done that, please send me your config file so >>> that I >>> can reproduce the compilation error in my build environment. >>> >> >> I did compile on latest linux tree which had barrier.txt. May be I 'll >> recheck if I am missing something obvious. >> >> Here is .config attached > > An Update: > The reason for failure was that I was compiling for guest. and > CONFIG_PARAVIRT was enabled. > > > Thank for the information. I will update my patch to correct that problem.
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