[fedora-arm] Re: 4K page size

On Tue, Apr 4, 2017 at 10:46 PM, Richard W.M. Jones <rjones@redhat.com> wrote:
> On Tue, Apr 04, 2017 at 12:16:16PM -0400, Paul Whalen wrote:
>> * 2) ==== Kernel Status ==== (pwhalen, 15:13:06)
>> * kernel-4.11.0-0.rc5.git0.1.fc26 (pwhalen, 15:13:26)
>> * Notable changes: Disable 64K pages on aarch64 (pwhalen, 15:13:26)
>> * LINK: https://koji.fedoraproject.org/koji/buildinfo?buildID=875266
>> (pwhalen, 15:13:32)
>> * Please test and report any issues to the list or #fedora-arm.
>> (pwhalen, 15:18:38)
>
> Does this require a mass rebuild? I just wonder if there are packages
> which check for the page size at configure time and embed it in the
> code.

No, it shouldn't require anything, we've had a number of mass rebuilds
since that issue was fixed in binutils. It's a bug if a package is
affected, but I'm aware of numerous people that have been running
devices with 4K kernels with the aarch64 userspace with out issue

> I'm going to get ahead here and say probably a mass rebuild *won't* be
> required. I've been running a custom 4K page kernel on the Pine64
> with a regular Fedora/aarch64 userspace -- and apart from qemu --
> everything is working fine.
>
> (I don't think the qemu problems have anything to do with page size.)

They shouldn't.
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