>> MINSIGSTKSZ and SIGSTKSZ for ARM64 are not correctly set in latest kernel.
>> This patch fixes this issue.
>> 
>> This issue is reported in LTP (testcase: sigaltstack02.c).
>> Testcase failed when sigaltstack() called with stack size "MINSIGSTKSZ - 1"
>> Since in Glibc-2.22, MINSIGSTKSZ is set to 5120 but in kernel
>> it is set to 2048 so testcase gets failed.
>> 
>> Testcase Output:
>> sigaltstack02 1  TPASS  :  stgaltstack() fails, Invalid Flag value,errno:22
>> sigaltstack02 2  TFAIL  :  sigaltstack() returned 0, expected -1,errno:12

>I'm still unable to reproduce this failure. Is this with defconfig?

we used LTP testsuite (version : - 20140115) , 
compile LTP testsuite with arm64 toolchain (changes backported form Latest glibc 2.22)
Then this issue occur.




       
  
         
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