On Thu, May 18, 2017 at 08:56:32PM -0500, Josh Poimboeuf wrote: > > > > Hmm, it looks like a number of other algorithms in arch/x86/crypto/ use %rbp (or > > %ebp), e.g. blowfish, camellia, cast5, and aes-i586. Presumably they have the > > same problem. I'm a little confused: do these all need to be fixed, and > > when/why did this start being considered broken? > > This warning was only recently added, with the goal of flushing out > these types of issues with hand-coded asm to make frame pointer based > stack traces more reliable. I can take a look at fixing the rest of > them if you want. > Okay. I'm worried you might run into one that is difficult to fix due to lack of spare registers. But if you're interested in looking into it, please go ahead. Thanks! Eric
