[fedora-arm] Alignment (Was: Fedora 20 for Raspberry Pi????)

[Richard W.M. Jones]

On Mon, Jan 20, 2014 at 03:17:43PM +0000, Gordan Bobic wrote:
> On 2014-01-20 14:51, Richard W.M. Jones wrote:
> >I never said that fixups were free, obviously going in and out of the
> >kernel to emulate an instruction is going to take some time.
> 
> You seemed to imply it above by saying that penalty on recent
> x86 is non-existant on Sandy Bridge and insignificant on
> slightly less recent x86 CPUs.

I failing to see what Intel Sandybridge has to do with the
ARM Cortex-A15 chips in Chromebooks, but anyway ...

> >The question is whether it noticably affects any code.
> 
> It certainly seems to affect the nss build process quite
> badly, specifically the test stage (which actually fails
> some tests on ARM, concerningly). Whether it affects the
> runtime I don't know, I don't think I use it - the only
> crypto related packages I use are OpenSSH and mod_ssl,
> both of which, AFAIK, link against OpenSSL rather than nss.

OK, sounds like nss needs to be fixed.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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