Messages in this thread | | | From | "Richter, Robert" <> | Subject | Re: [PATCH] irqchip/gic-v3-its: Add early memory allocation errata | Date | Fri, 5 Oct 2018 15:15:14 +0000 |
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On 05.10.18 16:13:48, Matthias Brugger wrote: > On 05/10/2018 15:42, Marc Zyngier wrote: > > On 05/10/18 13:33, Matthias Brugger wrote:
> >> With my distribution head on, I would prefer a solution that does not change > >> FORCE_MAX_ZONEORDER. That's how I came to the idea providing a third solution to > >> the same problem :) > > > > Why is that a problem? What impact does this have on your favourite distro? > > > > The impact is on changing FORCE_MAX_ZONEORDER on an already released kernel will > break Kernel ABI and with that all external modules. I know that's nothing > upstream cares too much about, but the distros do :)
Wrt upstream, there is no way to do this change without patching the kernel. Thus, it is impossible to run an unpatched 4k page size kernel on ThunderX.
-Robert
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