linux-kernel - Re: [PATCH 4/8] x86: Add support for rd/wr fs/gs base

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Date:	Mon, 13 Apr 2015 08:07:29 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	"Borislav Petkov" <bp@...en8.de>,
	"Andy Lutomirski" <luto@...capital.net>,
	"Steven Rostedt" <rostedt@...dmis.org>,
	"Andrew Lutomirski" <luto@...nel.org>, "X86 ML" <x86@...nel.org>,
	"Andi Kleen" <ak@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/8] x86: Add support for rd/wr fs/gs base

>>> On 11.04.15 at 01:05, <andi@...stfloor.org> wrote:
>>  One might argue that this code serves no purpose, but it's there, so
>> we had better keep our per-invocation usage of DEBUG_STACK within 4k.
> 
> Only if you run NKLD. I doubt KDB or GDB support nesting.
> We can ask Jan if he still uses it.

I didn't have the time to bring forward NLKD for the last several years.

Jan

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