From: Andi Kleen <andi@firstfloor.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Tim Chen <tim.c.chen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Akinobu Mita <akinobu.mita@gmail.com>,
Mathias Nyman <mathias.nyman@linux.intel.com>,
Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, x86@kernel.org,
linux-usb@vger.kernel.org
Subject: Re: [PATCH] pci-dma: Fix x86 dma_alloc_coherent to fully clear all pages returned
Date: Fri, 30 Jan 2015 23:39:53 +0100 [thread overview]
Message-ID: <20150130223953.GK3552@two.firstfloor.org> (raw)
In-Reply-To: <20150130220747.GA21792@kroah.com>
> We don't "need" any backward compatility, why not fix the broken drivers
> that are using memory outside of what they are asking for? That's not
> ok no matter what, right?
How would you find them all?
We don't even know which place in XHCI is the culprit here.
Yes iff you can find them it would be good to fix.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2015-01-30 22:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-30 19:54 [PATCH] pci-dma: Fix x86 dma_alloc_coherent to fully clear all pages returned Tim Chen
2015-01-30 19:58 ` Greg KH
2015-01-30 22:01 ` Tim Chen
2015-01-30 22:07 ` Greg KH
2015-01-30 22:16 ` Tim Chen
2015-01-30 22:39 ` Andi Kleen [this message]
2015-01-31 17:14 ` Alan Stern
2015-01-30 21:03 ` Sergei Shtylyov
2015-01-30 21:54 ` Tim Chen
2015-02-02 14:02 ` Jiri Slaby
2015-02-02 16:39 ` Sergei Shtylyov
2015-02-04 18:30 ` Tim Chen
2015-02-18 19:40 ` Tim Chen
2015-02-18 19:53 ` Alan Stern
2015-02-18 20:19 ` Tim Chen
2015-02-18 20:36 ` Greg Kroah-Hartman
2015-02-18 20:39 ` Andi Kleen
2015-02-18 21:15 ` Alan Stern
2015-02-18 20:45 ` Alan Stern
2015-02-18 23:59 ` Tim Chen
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