[PATCH 5.10 614/717] powerpc/mm: Fix verification of MMU_FTR_TYPE_44x

Greg Kroah-Hartman
2020-12-28T14:30:19Z

From: Christophe Leroy <christophe.leroy@csgroup.eu>

commit 17179aeb9d34cc81e1a4ae3f85e5b12b13a1f8d0 upstream.

MMU_FTR_TYPE_44x cannot be checked by cpu_has_feature()

Use mmu_has_feature() instead

Fixes: 23eb7f560a2a ("powerpc: Convert flush_icache_range & friends to C")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ceede82fadf37f3b8275e61fcf8cf29a3e2ec7fe.1602351011.git.christophe.leroy@csgroup.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/powerpc/mm/mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -532,7 +532,7 @@ void __flush_dcache_icache(void *p)
* space occurs, before returning to user space.
*/

- if (cpu_has_feature(MMU_FTR_TYPE_44x))
+ if (mmu_has_feature(MMU_FTR_TYPE_44x))
return;

invalidate_icache_range(addr, addr + PAGE_SIZE);