linux-kernel - Re: [PATCH 2/2] s390/mm: use ipte range to invalidate multiple page table entries

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Message-ID: <015d01d1d768$6db5d9e0$49218da0$@alibaba-inc.com>
Date:	Wed, 06 Jul 2016 17:26:08 +0800
From:	"Hillf Danton" <hillf.zj@...baba-inc.com>
To:	"'Martin Schwidefsky'" <schwidefsky@...ibm.com>
Cc:	"'linux-kernel'" <linux-kernel@...r.kernel.org>,
	<linux-mm@...ck.org>
Subject: Re: [PATCH 2/2] s390/mm: use ipte range to invalidate multiple page table entries

> 
> You are still a bit cryptic, 
>
Sorry, Sir, simply because I'm not native English speaker.

> are you trying to tell me that your hint is
> about trying to avoid the preempt_enable() call?
> 
Yes, since we are already in the context with page table lock held.

thanks
Hillf