linux-kernel - Re: linux-next: Tree for Mar 31 (objtool warnings: RCU)

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Message-ID: <d5a6xgr5n4sw33doyzbkypt5uwovy6kaiq6cl444jgpkc2licx@qzufobtaoylq>
Date: Mon, 31 Mar 2025 15:12:38 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>, 
	Linux Next Mailing List <linux-next@...r.kernel.org>, paulmck@...nel.org, 
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Peter Zijlstra <peterz@...radead.org>
Subject: Re: linux-next: Tree for Mar 31 (objtool warnings: RCU)

On Mon, Mar 31, 2025 at 02:22:23PM -0700, Randy Dunlap wrote:
> 
> 
> On 3/30/25 11:12 PM, Stephen Rothwell wrote:
> > Hi all,
> > 
> > Changes since 20250328:
> > 
> 
> on x86_64 with gcc (SUSE Linux) 14.2.1 20250220 [revision 9ffecde121af883b60bbe60d00425036bc873048]:
> 
> vmlinux.o: warning: objtool: irqentry_nmi_enter+0xa2: call to ct_nmi_enter() leaves .noinstr.text section
> vmlinux.o: warning: objtool: irqentry_nmi_exit+0x16: call to ct_nmi_exit() leaves .noinstr.text section
> vmlinux.o: warning: objtool: irqentry_exit+0x78: call to ct_irq_exit() leaves .noinstr.text section
> vmlinux.o: warning: objtool: __ct_user_enter+0x75: call to rcu_irq_work_resched() leaves .noinstr.text section

Yup, those need to be __always_inline.  Will fix.

-- 
Josh