linux-kernel - Re: [PATCH 1/2] jump_labels: API for flushing deferred jump label updates

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Message-ID: <87346b81-1905-4775-f745-388870fa2c96@redhat.com>
Date:   Thu, 22 Dec 2016 13:35:50 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        David Matlack <dmatlack@...gle.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        rkrcmar@...hat.com, haokexin@...il.com, mpe@...erman.id.au,
        yongjun_wei@...ndmicro.com.cn, rusty@...tcorp.com.au,
        jbaron@...mai.com
Subject: Re: [PATCH 1/2] jump_labels: API for flushing deferred jump label
 updates



On 19/12/2016 15:58, Peter Zijlstra wrote:
> On Fri, Dec 16, 2016 at 02:30:35PM -0800, David Matlack wrote:
>> Modules that use static_key_deferred need a way to synchronize with
>> any delayed work that is still pending when the module is unloaded.
>> Introduce static_key_deferred_flush() which flushes any pending
>> jump label updates.
> 
> Makes sense I suppose.
> 
> It also appears I forgot to provide new style APIs for this
> functionality as I completely forgot about it for it lives in its own
> file :-/
> 
> In any case,
> 
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Thanks, I'll merge these through the KVM tree.

Paolo