linux-kernel - Re: [PATCH] xhci: use dma_alloc_coherent with fully cleared pages

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Message-ID: <20150219174320.GB27767@tassilo.jf.intel.com>
Date:	Thu, 19 Feb 2015 09:43:20 -0800
From:	Andi Kleen <ak@...ux.intel.com>
To:	Tim Chen <tim.c.chen@...ux.intel.com>
Cc:	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, "H. Peter Anvin" <hpa@...or.com>,
	Akinobu Mita <akinobu.mita@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, x86@...nel.org,
	linux-usb@...r.kernel.org, stable <stable@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [PATCH] xhci: use dma_alloc_coherent with fully cleared pages

> Great. Thanks for fixing this.

Not great.
This still leaves all the other drivers which may be affected by similar problems.
IMHO Tim's original patch is still needed.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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