Re: [PATCH v4 7/7] x86/tlb: add tlb_flushall_factor into sysfs foruser testing/tuning

From: Alex Shi
Date: Thu May 10 2012 - 20:53:34 EST


>> +#ifdef CONFIG_DEBUG_TLBFLUSH

>> +static ssize_t __tlb_flushall_factor_store(const char *buf,
>> + size_t count, int smt)
>> +{
>> + short factor = 0;
>> +
>> + if (sscanf(buf, "%hd", &factor) != 1)
>> + return -EINVAL;
>
> This means only single-digit factors, right?


No, you can try '32' '16' etc. not a 'single-digit'.

>
> Why not use kstrtoul?


any advantage of this?

>


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