linux-kernel - [LKP] [iommu/vt] This system BIOS has enabled interrupt remapping...

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Date:	Mon, 09 Feb 2015 16:11:19 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>
Subject: [LKP] [iommu/vt] This system BIOS has enabled interrupt remapping...

FYI, we noticed the below changes on

git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 2966d9566beb39c53477c96525820b9415de7a7d ("iommu/vt-d: Prepare for killing function irq_remapping_supported()")

We found something new as below in dmesg after the commit.

[    0.032167] This system BIOS has enabled interrupt remapping
[    0.032167] on a chipset that contains an erratum making that
[    0.032167] feature unstable.  To maintain system stability
[    0.032167] interrupt remapping is being disabled.  Please
[    0.032167] contact your BIOS vendor for an update

Thanks,
Huang, Ying

View attachment "config-3.19.0-rc4-g2966d95" of type "text/plain" (127453 bytes)

View attachment "dmesg" of type "text/plain" (140626 bytes)

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