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authorJohan Almbladh <johan.almbladh@anyfinetworks.com>2021-09-14 12:18:41 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2021-09-28 10:26:29 +0300
commit18935a72eb25525b655262579e1652362a3b29bb (patch)
tree9e38f0d1d556c0f493d301ef01c564f393f61d3a /tools/perf/scripts/python/exported-sql-viewer.py
parentf536a7c80675e4875e50df9182881d7678e27651 (diff)
downloadlinux-18935a72eb25525b655262579e1652362a3b29bb.tar.xz
bpf/tests: Fix error in tail call limit tests
This patch fixes an error in the tail call limit test that caused the test to fail on for x86-64 JIT. Previously, the register R0 was used to report the total number of tail calls made. However, after a tail call fall-through, the value of the R0 register is undefined. Now, all tail call error path tests instead use context state to store the count. Fixes: 874be05f525e ("bpf, tests: Add tail call test suite") Reported-by: Paul Chaignon <paul@cilium.io> Reported-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Tiezhu Yang <yangtiezhu@loongson.cn> Link: https://lore.kernel.org/bpf/20210914091842.4186267-14-johan.almbladh@anyfinetworks.com
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