linux-kernel - Re: [PATCH v4 3/5] x86/syscall: Mark exit[_group] syscall handlers _

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Date: Fri, 3 May 2024 12:56:53 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: Paul McKenney <paulmckrcu@...il.com>
Cc: "Paul E. McKenney" <paulmck@...nel.org>, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Daniel Sneddon <daniel.sneddon@...ux.intel.com>,
	Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alexandre Chartre <alexandre.chartre@...cle.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sean Christopherson <seanjc@...gle.com>,
	Andrew Cooper <andrew.cooper3@...rix.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Nikolay Borisov <nik.borisov@...e.com>,
	KP Singh <kpsingh@...nel.org>, Waiman Long <longman@...hat.com>,
	Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v4 3/5] x86/syscall: Mark exit[_group] syscall handlers
 __noreturn

On Thu, May 02, 2024 at 04:48:13PM -0700, Paul McKenney wrote:
> On Sun, Apr 21, 2024 at 2:47 PM Paul McKenney <paulmckrcu@...il.com> wrote:
> >
> > And this definitely helped, thank you!
> >
> > However, this one still remains:
> >
> > vmlinux.o: warning: objtool: ia32_sys_call+0x29b6:
> > __ia32_sys_exit_group() is missing a __noreturn annotation
> 
> And looking at the patched code, this function looks to me to be
> correctly marked.
> 
> No idea...  :-/

Ah, I think I missed fixing syscall_32.tbl.  Lemme see how to do that...

-- 
Josh