linux-kernel - Re: [PATCH] x86, i8259: Only register sysdev for real PIC

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Message-Id: <20100602181814.63b173be.akpm@linux-foundation.org>
Date:	Wed, 2 Jun 2010 18:18:14 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Adam Lackorzynski <adam@...inf.tu-dresden.de>
Cc:	Jacob Pan <jacob.jun.pan@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86, i8259: Only register sysdev for real PIC

On Wed, 2 Jun 2010 13:31:50 +0200 Adam Lackorzynski <adam@...inf.tu-dresden.de> wrote:

> Do not register the sysdev function when the null_legacy_pic is used so
> that the i8259 resume, suspend and shutdown functions are not called.

What are the effects of this change?  Does it fix an oops or a hang, or
nothing at all, or...?

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