Messages in this thread | | | Date | Wed, 28 Sep 2022 05:14:30 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH v2 1/4] RISC-V: Fix ioremap_cache() and ioremap_wc() for systems with Svpbmt |
| |
On Thu, Sep 22, 2022 at 09:35:56AM -0700, Palmer Dabbelt wrote: > Sorry I missed this, I thought it was just part of the rest of this patch > set. That said, I'm not actually sure this is a critical fix: sure it's a > performance problem, and if some driver is expecting ioremap_cache() to go > fast then possibly a pretty big one, but the only Svpmbt hardware that
More importantly nothing should be using ioremap_cache at all. It is an API that has long been deprecated in favor of memremap.
| |