Messages in this thread | | | Date | Wed, 24 Jun 2015 14:08:20 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH v5 6/6] arch, x86: pmem api for ensuring durability of persistent memory updates |
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On Tue, Jun 23, 2015 at 12:39:09PM +0200, Richard Weinberger wrote: > Not sure if I understand this correctly, is the plan to support pmem also on UML? > At least drivers/block/pmem.c cannot work on UML as it depends on io memory. > > Only x86 seems to have ARCH_HAS_NOCACHE_UACCESS, if UML would offer these methods > what drivers need them? I'm still not sure where it would make sense on UML as > uaccess on UML means ptrace() between host and guest process.
Ok, that makese snese. Dan, how about just moving the new pmem helpers from cacheflush.h to a new asm/pmem.h to avoid having them dragged into the um build?
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