>> 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. ÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ¥Šwÿº{.nÇ+‰·¥Š{±ýªbþ)í…æèw*jg¬±¨¶‰šŽŠÝ¢jÿ¾«þG«?éÿ¢¸¢·¦j:+v‰¨ŠwèjØm¶Ÿÿþø¯ù®w¥þŠàþf£¢·hš?â?úÿ†Ù¥