linux-kernel - Re: [Bugfix v2 1/5] x86/irq: Do not reuse struct apic_chip_data.old

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Date:	Thu, 24 Dec 2015 09:34:21 -0500
From:	Joe Lawrence <joe.lawrence@...atus.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, <x86@...nel.org>
CC:	Jeremiah Mahler <jmmahler@...il.com>,
	Borislav Petkov <bp@...en8.de>, <andy.shevchenko@...il.com>,
	Guenter Roeck <linux@...ck-us.net>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [Bugfix v2 1/5] x86/irq: Do not reuse struct
 apic_chip_data.old_domain as temporary buffer

On 12/23/2015 09:13 AM, Jiang Liu wrote:
> Function __assign_irq_vector() makes use of apic_chip_data.old_domain
> as a temporary buffer, which causes trouble to rollback logic in case of
> failure. So use a dedicated temporary buffer for __assign_irq_vector().
>
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>

Hi Jiang,

FWIW, my overnight testing is still running okay, so for v2:

Tested-by: Joe Lawrence <joe.lawrence@...atus.com>

However, it looks like there will probably be a v3.

-- Joe
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