On Wed, 8 Nov 2017, Dan Williams wrote: > On Wed, Nov 8, 2017 at 7:35 AM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > On Wed, Nov 08, 2017 at 10:21:38AM -0500, Mikulas Patocka wrote: > >> > And what do you do for an architecture with virtuall indexed caches? > >> > >> Persistent memory is not supported on such architectures - it is only > >> supported on x86-64 and arm64. > > > > For now. But once support is added your driver will just corrupt data > > unless you have the right API in place. > > I'm also in the process of ripping out page-less dax support. With > pages we can potentially leverage the VIVT-cache support in some > architectures, likely with more supporting infrastructure for > dax_flush(). Should I remove all the code for page-less persistent memory from my driver? Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
