Module Name: src
Committed By: jdolecek
Date: Fri Jan 4 21:57:53 UTC 2019
Modified Files:
src/sys/arch/aarch64/include: pmap.h
Log Message:
re-apply rev. 1.18, now tested by Jonathan Kollasch and Ryo Shimizu - no
problems observed, and about 2x speedup for cached read
Implement PMAP_DIRECT / pmap_direct_process() in support of experimental
UBC optimization
PR kern/53124
To generate a diff of this commit:
cvs rdiff -u -r1.19 -r1.20 src/sys/arch/aarch64/include/pmap.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/aarch64/include/pmap.h
diff -u src/sys/arch/aarch64/include/pmap.h:1.19 src/sys/arch/aarch64/include/pmap.h:1.20
--- src/sys/arch/aarch64/include/pmap.h:1.19 Wed Nov 21 12:34:21 2018
+++ src/sys/arch/aarch64/include/pmap.h Fri Jan 4 21:57:53 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.h,v 1.19 2018/11/21 12:34:21 jdolecek Exp $ */
+/* $NetBSD: pmap.h,v 1.20 2019/01/04 21:57:53 jdolecek Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -54,6 +54,16 @@
#ifndef KASAN
#define PMAP_MAP_POOLPAGE(pa) AARCH64_PA_TO_KVA(pa)
#define PMAP_UNMAP_POOLPAGE(va) AARCH64_KVA_TO_PA(va)
+
+#define PMAP_DIRECT
+static __inline int
+pmap_direct_process(paddr_t pa, voff_t pgoff, size_t len,
+ int (*process)(void *, size_t, void *), void *arg)
+{
+ vaddr_t va = AARCH64_PA_TO_KVA(pa);
+
+ return process((void *)(va + pgoff), len, arg);
+}
#endif
struct pmap {
