On Sat, 2018-01-13 at 08:46 -0800, H.J. Lu wrote: > > >> +@item -mindirect-branch-register > >> +@opindex -mindirect-branch-register > >> +Force indirect call and jump via register. > > > > Again I think this option needs better documentation. It is not quite > > clear to me why > > it is needed at first place? > > > > This is used by kernel to force__x86_indirect_thunk_reg. Do we > need this info in GCC manual?
I think I just answer the 'why' elsewhere. It's for CET compatibility.
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