Re: [RFC PATCH 00/21] KCFI support

Mark Rutland
2022-05-05T17:15:50Z

On Thu, May 05, 2022 at 09:00:39AM -0700, Sami Tolvanen wrote:
> On Thu, May 5, 2022 at 5:36 AM Mark Rutland <mark.rutland@arm.com> wrote:
> > FWIW, a `-DLLVM_ENABLE_ASSERTIONS=ON` build also seems to work for me when
> > building a kernel with CONFIG_CFI_CLANG=y. It's much slower than a regular
> > Release build, so I'm still waiting for that to finish building a kernel, but
> > it has gotten much further through the build without issues.
>
> Thanks for confirming. This issue should be fixed here if you want to
> give it another try:
>
> https://github.com/samitolvanen/llvm-project/commits/kcfi

That works for me, building in Release mode. A defconfig + CFI_CLANG kernel
built with that builds and boots clenaly.

Thanks!

Mark.