On 5/20/24 10:09, Sean Christopherson wrote: >> IIUC, this series tries to tie IBT to SHSTK feature, i.e., IBT cannot be >> exposed as an independent feature to guest without exposing SHSTK at the same >> time. If it is, then below patch is not needed anymore: >> https://lore.kernel.org/all/20240219074733.122080-3-weijiang.yang@xxxxxxxxx/ > That's a question for the x86 maintainers. Specifically, do they want to allow > enabling XFEATURE_CET_USER even if userspace shadow stack support is disabled. I like the sound of "below patch is not needed anymore". Unless removing the patch causes permanent issues or results in something that's not functional, I say: jettison it with glee. If it's that important, it can be considered on its own merits separately.
