linux-kernel - Re: [PATCH v6 24/27] x86: Add swiotlb force off support

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Message-ID: <CAE9FiQVARkz1_kuCF7L9ufaROQ0EyoyrTjJCsmK7JynepXe=Yw@mail.gmail.com>
Date:	Fri, 21 Dec 2012 21:00:56 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 24/27] x86: Add swiotlb force off support

On Fri, Dec 21, 2012 at 6:18 PM, Konrad Rzeszutek Wilk
<konrad.wilk@...cle.com> wrote:
> On Thu, Dec 13, 2012 at 02:02:18PM -0800, Yinghai Lu wrote:
>> So use could disable swiotlb from command line, even swiotlb support
>> is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.
>
> Does this have any usage besides testing?

for kdump.

>
> And also pls in the future use scripts/get_maintainer.pl so
> that you can extract from the email of the maintainer (which would be me).
ok.
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