Re: [tip:x86/asm] x86/fpu: Fix early FPU command-line parsing
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- Subject: Re: [tip:x86/asm] x86/fpu: Fix early FPU command-line parsing
- From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
- Date: Fri, 15 Jan 2016 13:01:37 -0800
- Cc: linux-kernel@xxxxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, oleg@xxxxxxxxxx, ravi.v.shankar@xxxxxxxxx, fenghua.yu@xxxxxxxxx, mingo@xxxxxxxxxx, quentin.casasnovas@xxxxxxxxxx, bp@xxxxxxx, hpa@xxxxxxxxx, luto@xxxxxxxxxxxxxx, sai.praneeth.prakhya@xxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <20160115205035.GA32625@test-lenovo>
- User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1
On 01/15/2016 12:50 PM, Yu-cheng Yu wrote:
>> >
>> > This could certainly be improved: we're iterating over the *whole*
>> > command line each time for each option unconditionally instead of
>> > iterating word by word and comparing it with all strings.
>> >
>> > We'd need something like cmdline_for_each_word() or so, though...
>> >
> That is a good point. I will work on it.
I really don't think we need to do this. It's code that runs *ONCE* at
boot time. Let's not work on optimizing it unless we have some acute need.
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