Andy Chiu <[email protected]> writes: > Some caller-saved registers which are not defined as function arguments > in the ABI can still be passed as arguments when the kernel is compiled > with Clang. As a result, we must save and restore those registers to > prevent ftrace from clobbering them. > > - [1]: https://reviews.llvm.org/D68559 > > Reported-by: Evgenii Shatokhin <[email protected]> > Closes: > https://lore.kernel.org/linux-riscv/[email protected]/ > Acked-by: Nathan Chancellor <[email protected]> > Signed-off-by: Andy Chiu <[email protected]>
Shouldn't this be a separate fix? Still reading the details, but it smells like something what should be disabled when building w/ LLVM, no? Björn
