Messages in this thread | | | Date | Sun, 6 Mar 2022 23:48:26 -0800 | From | Christoph Hellwig <> | Subject | Re: [PATCH RFC 0/3] MAP_POPULATE for device memory |
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On Sun, Mar 06, 2022 at 11:33:02AM +0000, Matthew Wilcox wrote: > On Sun, Mar 06, 2022 at 07:32:04AM +0200, Jarkko Sakkinen wrote: > > For device memory (aka VM_IO | VM_PFNMAP) MAP_POPULATE does nothing. Allow > > to use that for initializing the device memory by providing a new callback > > f_ops->populate() for the purpose. > > As I said, NAK.
Agreed. This is an amazingly bad interface.
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