Re: IBT related objtool warnings

[Edgecombe, Rick P]

On Thu, 2022-04-07 at 08:49 +0200, Peter Zijlstra wrote:
> On Wed, Apr 06, 2022 at 10:43:33PM +0000, Edgecombe, Rick P wrote:
> > Hi,
> > 
> > After commit:
> > ed53a0d97192 x86/alternative: Use .ibt_endbr_seal to seal indirect
> > calls
> > 
> > I am getting objtool "unreachable instruction" warnings.
> > 
> > On one system with gcc 8.4.0:
> > vmlinux.o: warning: objtool: start_secondary()+0x10e: unreachable
> > instruction
> > 
> > On another with gcc 11.2.1:
> > vmlinux.o: warning: objtool: pvh_start_xen()+0x0: unreachable
> > instruction
> 
> Could you try with tip/x86/urgent ?

I get:
vmlinux.o: warning: objtool: start_secondary()+0x10d: unreachable
instruction