Re: [PATCH v2] objtool: Fix SYSCALL instruction handling and INSN_CONTEXT_SWITCH

[Josh Poimboeuf]

On Fri, Apr 04, 2025 at 01:23:43PM -0700, Josh Poimboeuf wrote:
> On Fri, Apr 04, 2025 at 01:06:26PM -0700, Josh Poimboeuf wrote:
> > With SYSCALL and SYSENTER removed, INSN_CONTEXT_SWITCH now has a sane
> > well-defined return semantic.
> 
> Argh, this last paragraph doesn't mention the rename of
> INSN_CONTEXT_SWITCH.  Changed to:
> 
> With SYSCALL and SYSENTER removed, INSN_CONTEXT_SWITCH now has a sane
> well-defined return semantic.  Rename it to INSN_EXCEPTION_RETURN to
> better reflect its meaning.
> 
> > v2:
> > - rename INSN_CONTEXT_SWITCH -> INSN_EXCEPTION_RETURN
> > - clarify that xen SYSCALL is a hypercall
> > - check for SYSEXIT

This version introduced a bug, please ignore.

-- 
Josh