Messages in this thread | | | Date | Mon, 03 Feb 2014 14:21:23 +0530 | From | Raghavendra K T <> | Subject | Re: [PATCH v3 0/2] qspinlock: Introducing a 4-byte queue spinlock |
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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.
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