On Tue, Jul 05, 2022 at 10:21:13AM +0200, LABBE Corentin wrote: > > I just copied what did drivers/crypto/xilinx/zynqmp-sha.c. > I tried to do flush_dcache_range() but it seems to not be implemented on riscV. That driver is broken and should no have been merged in that form. > And flush_dcache_page(virt_to_page(addr), len) produce a kernel panic. And that's good so. Drivers have no business doing their own cache flushing. That is the job of the dma-mapping implementation, so I'd suggest to look for problems there.
