Hi Kevin,
On Tue, Mar 31, 2015 at 07:58:21PM +0100, Kevin Hilman wrote:
> Will Deacon <will.deacon@xxxxxxx> writes:
> > On Fri, Mar 27, 2015 at 12:25:54AM +0000, Simon Horman wrote:
> >> On Thu, Mar 26, 2015 at 08:29:21AM -0700, Tyler Baker wrote:
> >> > On 26 March 2015 at 06:36, Will Deacon <will.deacon@xxxxxxx> wrote:
> >> > > On Thu, Mar 26, 2015 at 12:39:39AM +0000, Simon Horman wrote:
> >> > >> On Tue, Mar 24, 2015 at 11:13:58AM -0500, Nishanth Menon wrote:
> >> > >> > I think we now have a new error: (seen with omap2plus_defconfig)
> >> > >> > on next-20150324 :
> >> > >> > ./arch/arm/kernel/vmlinux.lds:677: undefined symbol `__hyp_idmap_size'
> >> > >> > referenced in expression
> >> > >> > make: *** [vmlinux] Error 1
> >> > >>
> >> > >> Thanks, I am seeing that too.
> >> > >>
> >> > >> My armchair suggestion is that the following should be reverted.
> >> > >>
> >> > >> e60a1fec44a2f ("ARM: kvm: implement replacement for ld's LOG2CEIL()")
> >> > >> 06f75a1f62000 ("ARM, arm64: kvm: get rid of the bounce page")
> >> > >
> >> > > Can you try again with the latest -next please? We've merged an additional
> >> > > patch aimed at sorting this out. Reverting isn't really an option, as
> >> > > there's an awful lot of code that depends on the bounce page removal.
> >> >
> >> > Here are the kernelci.org -next results[1], if you click the build
> >> > status you can dig down into the build failures. next-20150326 has now
> >> > hit a compiler bug, Arnd mentioned he was looking into this issue.
> >>
> >> I have confirmed that next-20150326 does not compile without
> >> the following reverted:
> >>
> >> 12eb3e833961 ("ARM: kvm: assert on HYP section boundaries not actual code size")
> >> e60a1fec44a2 ("ARM: kvm: implement replacement for ld's LOG2CEIL()")
> >> 06f75a1f6200 ("ARM, arm64: kvm: get rid of the bounce page")
> >
> > Thanks for testing this and sorry for the continued breakage. Which
> > toolchain did you say you were using? Ard has some more patches trying to
> > fix this, but none of our toolchains seem to tickle the issue.
>
> I've also tested on the default ARM toolchains available with ubuntu[1]
>
> Are there any updates on this issue?
It's been fixed since the end of last week!
(see ARM: kvm: round HYP section to page size instead of log2 upper bound)
This was confirmed by both my testing and also Simon Horman, who reported
the initial breakage.
> It ha broken most of the ARM defconfigs in linux-next[2], and since it's
> been broken for a week now, it is masking other types of issues that we
> can normally find via automated boot testing.
If you're referring to failures such as:
http://storage.kernelci.org/next/next-20150331/arm-axm55xx_defconfig/build.log
Then that's not coming from the arm64 tree, and is a completely separate
issue from the one originally reported in this thread.
Will
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