linux-kernel - Re: [PATCH] enable x2APIC without interrupt remapping under KVM

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Message-ID: <20090719162735.GB19434@elte.hu>
Date:	Sun, 19 Jul 2009 18:27:35 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Gleb Natapov <gleb@...hat.com>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sheng Yang <sheng@...ux.intel.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"avi@...hat.com" <avi@...hat.com>
Subject: Re: [PATCH] enable x2APIC without interrupt remapping under KVM


* Gleb Natapov <gleb@...hat.com> wrote:

> +	if (!ret) {
> +		/* IR is required if there is APIC ID > 255 even when running
> +		 * under KVM
> +		*/

Eeek.

> +	if (x2apic_preenabled) {
> +		panic("x2apic enabled by bios. But IR enabling failed."
> +		      " Check that CONFIG_X86_X2APIC and CONFIG_INTR_REMAP are"
> +		      " enabled.");

We dont want to break such messages mid-line, it makes it hard to 
git-grep for them. Also, the '. But' looks weird.

	Ingo
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