Em Wed, Apr 18, 2018 at 04:28:57PM +0530, Sandipan Das escreveu: > The first patch fixes the callchain ip filtering mechanism for powerpc > from skipping entries in case the LR value is still valid and yet to > be written to the stack frame. This was previously posted as an RFC > here: https://lkml.org/lkml/2018/4/4/633 > > The second patch fixes a crash caused by attempting to access an empty > callchain. > > The third patch fixes a shell test which used to fail on powerpc as > the back trace from perf output did not match the expected pattern. > Also, because of the issue described in the first patch, some entries > from the callchain were incorrectly skipped. So, this has also been > readjusted to work with the fix in the first patch. > v2: > - Consider case when return address is in R0 as pointed out by Ravi. > - Add another patch to fix crash when callchain is empty.
Ravi, can you please take a look at these? The other two patches too, please? - Arnaldo
