Re: [PATCH 1/2] x86 smpboot: fix cpu_init_udelay=10000

From: Len Brown
Date: Tue Nov 03 2015 - 00:17:02 EST


> Is this really what you intended? The else is commented out so if init_udelay is quirked
> to be 0 it will always be reset to UDELAY_10MS_DEFAULT. Also init_udelay is unsigned, so
> would UINT_MAX be a better choice?

Hi Shane,
Thanks for pointing out this flaw.
Seems it will make 4.3 10ms slower than 4.2 on these boxes, by default.
We'll send an incremental patch for 4.4.

Len Brown, Intel Open Source Technology Center
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