linux-kernel - Re: [PATCH v7 0/8] x86/kexec: Add exception handling for relocate

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Message-ID: <Z9K5TGMvmS1ApBCW@gmail.com>
Date: Thu, 13 Mar 2025 11:54:04 +0100
From: Ingo Molnar <mingo@...nel.org>
To: David Woodhouse <dwmw2@...radead.org>
Cc: kexec@...ts.infradead.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H . Peter Anvin" <hpa@...or.com>,
	David Woodhouse <dwmw@...zon.co.uk>,
	"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
	Kai Huang <kai.huang@...el.com>,
	Nikolay Borisov <nik.borisov@...e.com>,
	linux-kernel@...r.kernel.org, Simon Horman <horms@...nel.org>,
	Dave Young <dyoung@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>, jpoimboe@...nel.org,
	bsz@...zon.de
Subject: Re: [PATCH v7 0/8] x86/kexec: Add exception handling for
 relocate_kernel


* Ingo Molnar <mingo@...nel.org> wrote:

> I applied the first 3 patches to tip:x86/boot for 
> phased-risk-reduction reasons, and because I had some questions and 
> suggestions starting at patch #4.

So there's a new objtool build warning from the new exc_handler code:

 vmlinux.o: warning: objtool: exc_handler+0xe: early indirect call

That's with a x86-64 defconfig + KVM enablement.

Thanks,

	Ingo