Groups > linux.kernel > #1194704

Re: [PATCH 6/9] x86/intel_rdt: Add support for cache bit mask management

From	Vikas Shivappa <vikas.shivappa@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 6/9] x86/intel_rdt: Add support for cache bit mask management
Date	2015-07-29 00:10 +0200
Message-ID	<pRleq-5sl-3@gated-at.bofh.it> (permalink)
References	<pHyFX-2Jd-3@gated-at.bofh.it> <pHyFZ-2Jd-31@gated-at.bofh.it> <pRg55-6ml-39@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw


On Tue, 28 Jul 2015, Peter Zijlstra wrote:

> On Wed, Jul 01, 2015 at 03:21:07PM -0700, Vikas Shivappa wrote:
>> +static inline bool cbm_is_contiguous(unsigned long var)
>> +{
>> +	unsigned long maxcbm = MAX_CBM_LENGTH;
>> +	unsigned long first_bit, zero_bit;
>> +
>> +	if (!var)
>> +		return false;
>> +
>> +	first_bit = find_next_bit(&var, maxcbm, 0);
>
> We actually have: find_first_bit().

will fix

Thanks,
Vikas

>
>> +	zero_bit = find_next_zero_bit(&var, maxcbm, first_bit);
>> +
>> +	if (find_next_bit(&var, maxcbm, zero_bit) < maxcbm)
>> +		return false;
>> +
>> +	return true;
>> +}
>
--
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/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

Re: [PATCH 6/9] x86/intel_rdt: Add support for cache bit mask  management Vikas Shivappa <vikas.shivappa@intel.com> - 2015-07-29 00:10 +0200

csiph-web