[src/trunk]: src/sys/arch/riscv/include Add the "memory" clobber in two place...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4ac790edbdf2
branches:  trunk
changeset: 371955:4ac790edbdf2
user:      skrll <skrll%NetBSD.org@localhost>
date:      Thu Oct 20 07:18:11 2022 +0000

description:
Add the "memory" clobber in two places that it's needed.

diffstat:

 sys/arch/riscv/include/pmap.h |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r b53e6cab8414 -r 4ac790edbdf2 sys/arch/riscv/include/pmap.h
--- a/sys/arch/riscv/include/pmap.h     Thu Oct 20 07:16:19 2022 +0000
+++ b/sys/arch/riscv/include/pmap.h     Thu Oct 20 07:18:11 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.h,v 1.12 2022/10/18 04:39:38 skrll Exp $ */
+/* $NetBSD: pmap.h,v 1.13 2022/10/20 07:18:11 skrll Exp $ */
 
 /*
  * Copyright (c) 2014, 2019, 2021 The NetBSD Foundation, Inc.
@@ -104,7 +104,7 @@
 static inline void
 pmap_procwr(struct proc *p, vaddr_t va, vsize_t len)
 {
-       __asm __volatile("fence\trw,rw; fence.i");
+       __asm __volatile("fence\trw,rw; fence.i" ::: "memory");
 }
 
 #include <uvm/pmap/tlb.h>
@@ -158,7 +158,7 @@
 static inline void
 pmap_md_page_syncicache(struct vm_page_md *mdpg, const kcpuset_t *kc)
 {
-       __asm __volatile("fence\trw,rw; fence.i");
+       __asm __volatile("fence\trw,rw; fence.i" ::: "memory");
 }
 
 /*