Re: [RFC 10/12] x86, rwsem: simplify __down_write

On Thu, Jun 09, 2016 at 07:36:40PM +0200, Peter Zijlstra wrote: > On Thu, Jun 09, 2016 at 03:40:58PM +0100, David Howells wrote: > > Peter Zijlstra wrote: > > > > > Blergh; so looking at more asm there's still a few tricks we cannot do. > > > So while overall size is down,

[PATCH v4 00/44] dma-mapping: Use unsigned long for dma_attrs

Hi, This is fourth approach for replacing struct dma_attrs with unsigned long. The main patch (1/44) doing the change is split into many subpatches for easier review (2-42). They should be squashed together when applying. *Important:* Patchset is tested on my ARM platforms and *only* build