Messages in this thread | | | Date | Thu, 11 Aug 2022 09:43:46 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH] dma/pool: do not complain if DMA pool is not allocated |
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On Wed, Aug 03, 2022 at 05:44:16PM +0200, Michal Hocko wrote: > Unfortunately generic kernels cannot really know there is any > crippled device without some code to some checking early boot (and I am > not even sure this would be sufficient).
But we can know if we need the pool, which is only when AMD SEV is enabled. So we could add a check and skip allocating all the pools including the GFP_DMA32 and GFP_KERNEL ones. I can look into that.
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