Re: Re: [PATCHv3] ARM64:Fix MINSIGSTKSZ and SIGSTKSZ

From: Manjeet Pawar
Date: Fri Oct 09 2015 - 06:57:48 EST


>> 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.