linux-kernel - Re: [PATCH] x86-64: espfix for 64-bit mode *PROTOTYPE*

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Message-ID: <535F1226.7000609@zytor.com>
Date:	Mon, 28 Apr 2014 19:44:54 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Andrew Lutomirski <amluto@...il.com>
CC:	comex <comexk@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Alexander van Heukelum <heukelum@...tmail.fm>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Borislav Petkov <bp@...en8.de>,
	Arjan van de Ven <arjan.van.de.ven@...el.com>,
	Brian Gerst <brgerst@...il.com>,
	Alexandre Julliard <julliard@...ehq.com>,
	Andi Kleen <andi@...stfloor.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86-64: espfix for 64-bit mode *PROTOTYPE*

On 04/28/2014 07:38 PM, H. Peter Anvin wrote:
> On 04/28/2014 05:20 PM, Andrew Lutomirski wrote:
>>
>> ldttest segfaults on 3.13 and 3.14 for me.  It reboots (triple fault?)
>> on your branch.  It even said this:
>>
>> qemu-system-x86_64: 9pfs:virtfs_reset: One or more uncluncked fids
>> found during reset
>>
>> I have no idea what an uncluncked fd is :)
>>
> 
> It means 9p wasn't properly shut down.
> 

(A "fid" is like the 9p version of a file descriptor.  Sort of.)

	-hpa


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