linux-kernel - Re: [PATCH v5 2/4] x86/ldt: Make modify

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Message-ID: <55BA6534.2080407@oracle.com>
Date:	Thu, 30 Jul 2015 13:56:04 -0400
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Andy Lutomirski <luto@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>
CC:	"security@...nel.org" <security@...nel.org>,
	X86 ML <x86@...nel.org>, Borislav Petkov <bp@...en8.de>,
	Sasha Levin <sasha.levin@...cle.com>,
	linux-kernel@...r.kernel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Andrew Cooper <andrew.cooper3@...rix.com>,
	Jan Beulich <jbeulich@...e.com>,
	xen-devel <xen-devel@...ts.xen.org>, stable@...r.kernel.org
Subject: Re: [PATCH v5 2/4] x86/ldt: Make modify_ldt synchronous

On 07/28/2015 01:29 AM, Andy Lutomirski wrote:

> +
> +static inline void load_mm_ldt(struct mm_struct *mm)
> +{
> +	struct ldt_struct *ldt;
> +	DEBUG_LOCKS_WARN_ON(!irqs_disabled());


I thought this was supposed to be checking preemptible()?

-boris
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