Messages in this thread | | | Subject | Re: [patch 08/15] x86/vdso: Move VDSO clocksource state tracking to callback | From | Jürgen Groß <> | Date | Wed, 15 Jan 2020 06:56:36 +0100 |
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On 14.01.20 19:52, Thomas Gleixner wrote: > All architectures which use the generic VDSO code have their own storage > for the VDSO clock mode. That's pointless and just requires duplicate code. > > X86 abuses the function which retrieves the architecture specific clock > mode storage to mark the clocksource as used in the VDSO. That's silly > because this is invoked on every tick when the VDSO data is updated. > > Move this functionality to the clocksource::enable() callback so it gets > invoked once when the clocksource is installed. This allows to make the > clock mode storage generic. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Juergen Gross <jgross@suse.com> (Xen parts)
Juergen
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