aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/page.h
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2012-10-28 19:28:52 +0100
committerJiri Kosina <jkosina@suse.cz>2012-10-28 19:29:19 +0100
commit3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch)
tree0058693cc9e70b7461dae551f8a19aff2efd13ca /arch/s390/include/asm/page.h
parentf16f84937d769c893492160b1a8c3672e3992beb (diff)
parente657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff)
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch against newer version of the code. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/s390/include/asm/page.h')
-rw-r--r--arch/s390/include/asm/page.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index 27ab3c7c1e8..6d5367060a5 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -30,12 +30,20 @@
#include <asm/setup.h>
#ifndef __ASSEMBLY__
+static unsigned long pfmf(unsigned long function, unsigned long address)
+{
+ asm volatile(
+ " .insn rre,0xb9af0000,%[function],%[address]"
+ : [address] "+a" (address)
+ : [function] "d" (function)
+ : "memory");
+ return address;
+}
+
static inline void clear_page(void *page)
{
if (MACHINE_HAS_PFMF) {
- asm volatile(
- " .insn rre,0xb9af0000,%0,%1"
- : : "d" (0x10000), "a" (page) : "memory", "cc");
+ pfmf(0x10000, (unsigned long)page);
} else {
register unsigned long reg1 asm ("1") = 0;
register void *reg2 asm ("2") = page;