linux-kernel - Re: [PATCH 4/4] kvm,rcu: use RCU extended quiescent state when running KVM guest

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <54D3D041.7090408@redhat.com>
Date:	Thu, 05 Feb 2015 15:19:13 -0500
From:	Rik van Riel <riel@...hat.com>
To:	paulmck@...ux.vnet.ibm.com
CC:	Christian Borntraeger <borntraeger@...ibm.com>,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	mtosatti@...hat.com, mingo@...nel.org, ak@...ux.intel.com,
	oleg@...hat.com, masami.hiramatsu.pt@...achi.com,
	fweisbec@...il.com, lcapitulino@...hat.com, pbonzini@...hat.com
Subject: Re: [PATCH 4/4] kvm,rcu: use RCU extended quiescent state when running
 KVM guest

On 02/05/2015 02:27 PM, Paul E. McKenney wrote:
> On Thu, Feb 05, 2015 at 02:02:35PM -0500, Rik van Riel wrote:

>> Looking at context_tracking.h, I see the
>> function context_tracking_cpu_is_enabled().
>>
>> That looks like it should do the right thing
>> in this case.
> 
> Right you are -- that same check is used to guard the
> context_tracking_user_enter() function's call to rcu_user_enter().

My test suggests it is working.

v2 incoming :)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/