Date: Thu, 7 May 2015 13:48:04 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: David Hildenbrand <dahi@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, yang.shi@windriver.com,
        bigeasy@linutronix.de, benh@kernel.crashing.org, paulus@samba.org,
        akpm@linux-foundation.org, heiko.carstens@de.ibm.com,
        schwidefsky@de.ibm.com, borntraeger@de.ibm.com, mst@redhat.com,
        tglx@linutronix.de, David.Laight@ACULAB.COM, hughd@google.com,
        hocko@suse.cz, ralf@linux-mips.org, herbert@gondor.apana.org.au,
        linux@arm.linux.org.uk, airlied@linux.ie, daniel.vetter@intel.com,
        linux-mm@kvack.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH RFC 01/15] uaccess: count pagefault_disable() levels in
 pagefault_disabled
Message-ID: <20150507114804.GS21418@twins.programming.kicks-ass.net>
References: <1430934639-2131-1-git-send-email-dahi@linux.vnet.ibm.com>
 <1430934639-2131-2-git-send-email-dahi@linux.vnet.ibm.com>
 <20150507102254.GE23123@twins.programming.kicks-ass.net>
 <20150507125053.5d2e8f0a@thinkpad-w530>
 <20150507111231.GF23123@twins.programming.kicks-ass.net>
 <20150507134030.137deeb2@thinkpad-w530>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20150507134030.137deeb2@thinkpad-w530>
User-Agent: Mutt/1.5.21 (2012-12-30)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 584
Lines: 12

On Thu, May 07, 2015 at 01:40:30PM +0200, David Hildenbrand wrote:
> I think a separate counter just makes sense, as we are dealing with two
> different concepts and we don't want to lose the preempt_disable =^ NOP
> for !CONFIG_PREEMPT.

Right, let me try and get my head on straight -- I'm so used to
PREEMPT=y being the 'hard' case :-)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/