Messages in this thread | | | Date | Thu, 11 Sep 2014 08:54:42 -0700 | Subject | Re: [PATCH] clocksource: arch_timer: Fix code to use physical timers when requested | From | Doug Anderson <> |
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Will,
On Thu, Sep 11, 2014 at 2:57 AM, Will Deacon <will.deacon@arm.com> wrote: > On Wed, Sep 10, 2014 at 08:50:16PM +0100, Doug Anderson wrote: >> On Wed, Sep 10, 2014 at 11:46 AM, Will Deacon <will.deacon@arm.com> wrote: >> > If `where we're at' is trying to boot an ARMv7 product, then you can boot in >> > secure svc and lose virtualisation support. Looking forward to ARMv8, this >> > isn't going to work, so I'd encourage you to start thinking about getting >> > a working bootloader as a requirement. >> >> Yup, definitely on the same page now. With everyone working on this >> I'd imagine that there will be some nice standards worked out by the >> time real ARMv8 is ready to ship? >> >> ...so would you say that you're in support of landing the patch to >> allow physical counters? I know Olof has Acked the patch above, but >> it's nice if there's general agreement that it's OK. > > I'm in favour of fixing the regression, yes. What I didn't understand from > the patch is where arch_timer_use_virtual is set to false for your machine, > as we need to be careful not to regress arm64 (the vdso uses the virtual > counter there).
See <https://patchwork.kernel.org/patch/4889311/>
-Doug
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