Messages in this thread | | | Subject | Re: [PATCH v2] watchdog: add driver for StreamLabs USB watchdog device | From | Oliver Neukum <> | Date | Tue, 19 Apr 2016 09:46:28 +0200 |
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On Mon, 2016-04-18 at 09:39 -0700, Guenter Roeck wrote: > > Possibly. We have never gone that route. The obvious problems is > that > > I am not sure our alignment is known before boot. > > > Seems scary. I always thought that the alignment associated with > ____cacheline_aligned would be the maximum possible for a given > build/architecture. If not, what is the value of having > ____cacheline_aligned in the first place ?
I thought it was for performance to prevent cache bouncing. I honestly don't know. You'd have to ask a specific question on LKML.
Sorry Oliver
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