Messages in this thread | | | Date | Thu, 30 Oct 2014 16:59:07 +0000 | From | Will Deacon <> | Subject | Re: [PATCH v3 00/17] Cross-architecture definitions of relaxed MMIO accessors |
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Hi Arnd,
On Thu, Sep 25, 2014 at 02:15:10PM +0100, Arnd Bergmann wrote: > On Wednesday 24 September 2014 18:17:19 Will Deacon wrote: > > Hello everybody, > > > > This is version three of the series I've originally posted here: > > > > v1: https://lkml.org/lkml/2014/4/17/269 > > v2: https://lkml.org/lkml/2014/5/22/468 > > > > This is basically just a rebase on top of 3.17-rc6, minus the alpha patch > > (which was merged into mainline). > > > > I looked at reworking the non-relaxed accessors to imply mmiowb, but it > > quickly got messy as some architectures (e.g. mips) deliberately keep > > mmiowb and readX/writeX separate whilst others (e.g. powerpc) don't trust > > drivers to get mmiowb correct, so add barriers to both. Given that > > arm/arm64/x86 don't care about mmiowb, I've left that as an exercise for > > an architecture that does care. > > > > In order to get this lot merged, we probably want to merge the asm-generic > > patch (1/17) first, so Acks would be much appreciated on the architecture > > bits. > > > > As before, I've included the original cover letter below, as that describes > > what I'm trying to do in more detail. > > > > I've now applied the parts of your series that are required to have > every architecture provide all the 'relaxed' accessors to the > asm-generic tree, on top of Thierry's series.
Since these didn't make it for 3.18, would you like me to repost the series, or do you already have a branch suitable for 3.19?
Cheers,
Will
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