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

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  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

#1194704 — Re: [PATCH 6/9] x86/intel_rdt: Add support for cache bit mask management

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;
>> +}
>
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