Re: [PATCH] jffs2: implement mount option to configure endianness

[Christoph Hellwig]

On Wed, Nov 07, 2018 at 06:41:47PM +0000, Joakim Tjernlund wrote:
> > Certainly not. I'm not sure which architectures do have Spectre V2
> > mitigations which make indirect branches expensive now... perhaps there is
> > no intersection with the cases where we really care about JFFS2 being
> > CPU-bound?
> 
> All that passing of a new extra arg and extra if .. elif .. does cost too.

I know of no current microarchitecture where an indirect call is cheaper
than a simple branch, which can be very well predicted.