On 11/23/21 4:16 PM, Peter Zijlstra wrote: > On Tue, Nov 23, 2021 at 03:58:51PM -0500, Joe Lawrence wrote: > >> Yep, kpatch-build uses its own klp-relocation conversion and not kallsyms. >> >> I'm not familiar with CET/IBT, but it sounds like if a function pointer >> is not taken at build time (or maybe some other annotation), the >> compiler won't generate the needed endbr landing spot in said function? > > Currently it does, but then I'm having objtool scribble it on purpose. > Hi Peter -- to follow up on the objtool part: what criteria is used to determine that it may scribble out the endbr? Thanks, -- Joe
