On Wed, 7 Apr 2021 11:54:55 -0700 Nick Desaulniers <ndesaulniers@xxxxxxxxxx> wrote: > LLVM changed the expected function signature for > llvm_gcda_emit_function() in the clang-11 release. Users of clang-11 or > newer may have noticed their kernels producing invalid coverage > information: > > $ llvm-cov gcov -a -c -u -f -b <input>.gcda -- gcno=<input>.gcno > 1 <func>: checksum mismatch, \ > (<lineno chksum A>, <cfg chksum B>) != (<lineno chksum A>, <cfg chksum C>) > 2 Invalid .gcda File! > ... > > Fix up the function signatures so calling this function interprets its > parameters correctly and computes the correct cfg checksum. In > particular, in clang-11, the additional checksum is no longer optional. Which tree is this against? I'm seeing quite a lot of rejects against Linus's current.
