netdev - Re: [PATCH v2] nohz: prevent tilegx network driver interrupts

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Date:	Fri, 10 Jul 2015 19:06:23 -0400
From:	Chris Metcalf <cmetcalf@...hip.com>
To:	Josh Cartwright <joshc@...com>
CC:	Frederic Weisbecker <fweisbec@...il.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] nohz: prevent tilegx network driver interrupts

On 7/10/2015 6:45 PM, Josh Cartwright wrote:
>> +static inline const struct cpumask *housekeeping_cpumask(void)
>> >+{
>> >+#ifdef CONFIG_NO_HZ_FULL
>> >+	if (tick_nohz_full_enabled())
>> >+		return housekeeping_mask;
>> >+#endif
> Just a small comment:
>
> We can take these checks out from under a #ifdef CONFIG_NO_HZ_FULL
> check, given that are stubbed tick_nohz_full_enabled() defined above.

True for the "if" clause, but the "housekeeping_mask" variable is only defined
under CONFIG_NO_HZ_FULL.

-- 
Chris Metcalf, EZChip Semiconductor
http://www.ezchip.com

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