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Re: [Xen-devel] [PATCH v5 2/4] x86/ldt: Make modify_ldt synchronous
- To: Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Thu, 30 Jul 2015 13:56:04 -0400
- Cc: "security@xxxxxxxxxx" <security@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, X86 ML <x86@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx, xen-devel <xen-devel@xxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Sasha Levin <sasha.levin@xxxxxxxxxx>
- Delivery-date: Thu, 30 Jul 2015 17:57:48 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
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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