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(). -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel