Messages in this thread | | | From | "Martin K. Petersen" <> | Subject | Re: [PATCH] scsi: ipr: Replace kmap() with kmap_local_page() | Date | Thu, 26 Jan 2023 22:22:56 -0500 |
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On Tue, 03 Jan 2023 19:25:56 +0100, Fabio M. De Francesco wrote:
> The use of kmap() is deprecated in favor of kmap_local_page(). > > There are two main problems with kmap(): (1) It comes with an overhead as > the mapping space is restricted and protected by a global lock for > synchronization and (2) it also requires global TLB invalidation when the > kmap’s pool wraps and it might block when the mapping space is fully > utilized until a slot becomes available. > > [...]
Applied to 6.3/scsi-queue, thanks!
[1/1] scsi: ipr: Replace kmap() with kmap_local_page() https://git.kernel.org/mkp/scsi/c/a3e2e248fd77
-- Martin K. Petersen Oracle Linux Engineering
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