Messages in this thread | | | Date | Fri, 11 Aug 2023 01:12:38 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH 1/7] ubi: block: Refactor sg list processing for highmem |
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On Thu, Aug 10, 2023 at 09:54:46PM +0200, Richard Weinberger wrote: > > But why add the bounce buffering first if you can avoid it from the > > very beginning by just using kmap_local instead of adding a new > > caller for the deprecate kmap_atomic? > > Because I want this fix also in all stable trees. kmap_local() is rather > new. When back porting patch 1/7, bounce buffers and kmap_atomic() > are needed anyway. > By doing this in patch 1/7 I avoid backport troubles and keep the > delta between upstream and stable trees minimal.
Just use plain kmap for the historic backports.
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