Possible regression in next-20150323 due to "ARM, arm64: kvm: get rid of the bounce page"

[Tyler Baker]

On 26 March 2015 at 06:36, Will Deacon <will.deacon at arm.com> 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.

>
> Will
>
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[1] http://kernelci.org/job/next/

Tyler