riscv: use memcpy based uaccess for nommu again
This reverts commit adccfb1a805ea84d2db38eb53032533279bdaa97.
Now that the generic uaccess by mempcy code handles unaligned addresses
the generic code can be used for all RISC-V CPUs.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 08c48bb..1046ee7 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -88,6 +88,7 @@
select SYSCTL_EXCEPTION_TRACE
select THREAD_INFO_IN_TASK
select SET_FS
+ select UACCESS_MEMCPY if !MMU
config ARCH_MMAP_RND_BITS_MIN
default 18 if 64BIT