Messages in this thread | | | Date | Tue, 22 Sep 2015 20:41:34 +0100 | From | Marc Zyngier <> | Subject | Re: [PATCH v5 0/6] irqchip, gicv3: Updates and Cavium ThunderX errata workarounds |
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On Tue, 22 Sep 2015 19:27:26 +0100 Will Deacon <will.deacon@arm.com> wrote:
> On Tue, Sep 22, 2015 at 07:09:32PM +0100, Marc Zyngier wrote: > > On Tue, 22 Sep 2015 17:57:01 +0100 > > Marc Zyngier <marc.zyngier@arm.com> wrote: > > > > [Duh. Now with Will and Catalin on CC] > > > > > On Mon, 21 Sep 2015 22:58:33 +0200 > > > Robert Richter <rric@kernel.org> wrote: > > > > > > > From: Robert Richter <rrichter@cavium.com> > > > > > > > > This patch series adds gicv3 updates and workarounds for HW errata in > > > > Cavium's ThunderX GICV3. > > > > > > > > The patches has been rebased onto 4.3-rc1. Note that there are two > > > > important fixes. See below for all changes. > > > > > > > > The first one is an unchanged resubmission of a patch from a gicv3 > > > > series I sent a while ago. > > > > > > > > The next patches implement the workarounds for ThunderX's gicv3. Patch > > > > #2 implements the cpu workaround for gicv3 on ThunderX. Patch #3 is a > > > > prerequisit for patch #5. Patch #4 adds generic code to parse the hw > > > > revision provided by an IIDR. This patch is used for the implementa- > > > > tion of the actual gicv3-its workaround in #5. Patch #6 updates to the > > > > new jump label API. > > > > > > > > All current review comments addressed so far with v5 > > > > > > Catalin, Will: assuming you don't have any objection to this series, > > > how do you want to deal with patch 2? > > What are the actual dependencies here? AFAICT, the series is addressing > multiple errata, so would it be possible to make the arm64 bits somewhat > independent from the gic parts?
Patch 2 could be split into an arm64-specific part and a gic part, with a bit of #ifdef-ery in gicv3_enable_quirks().
> Also, I assume this is targetting 4.4?
Up to you, really. It is not a regression, but it would still be nice to have 4.3 working reliably on this HW.
Thanks,
M. -- Jazz is not dead. It just smells funny.
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