Re: [tip:x86/cpu] x86/cpu: Strip any /proc/ cpuinfo model name field whitespace

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 28, 2015 at 09:57:15AM -0700, H. Peter Anvin wrote:
> Why?!
>
> We are taking about 48 bytes run once per cpu. It isn't worth it to
> optimize, in fact the extra code size hurts more.

I wanted to save us the redundant copying of the exact same bytes.
Because when there's no preceding whitespace, p and q point at the same
thing so we end up doing *p = *p.

OTOH, without the optimization, the code is even simpler.

I can remove it if you wanna - I don't care all that much.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Stable Commits]     [Linux Stable Kernel]     [Linux Kernel]     [Linux USB Devel]     [Linux Video &Media]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]

  Powered by Linux