summaryrefslogtreecommitdiff
path: root/arch/parisc/include
diff options
context:
space:
mode:
authorHelge Deller <deller@gmx.de>2015-12-12 18:22:03 +0100
committerHelge Deller <deller@gmx.de>2016-01-12 22:03:36 +0100
commitfc6325750348272d10a8e39adb9fc0e89a667774 (patch)
tree6325d652427aa9928459319badd834d45836b095 /arch/parisc/include
parent602c9c9a01a4f0ef091295ac75c74c7fe94d69a4 (diff)
downloadlinux-fc6325750348272d10a8e39adb9fc0e89a667774.tar.gz
parisc: Reduce overhead of parisc_requires_coherency()
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/include')
-rw-r--r--arch/parisc/include/asm/processor.h17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 7e759ecb1343..2e674e13e005 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -311,18 +311,17 @@ extern unsigned long get_wchan(struct task_struct *p);
#define cpu_relax() barrier()
#define cpu_relax_lowlatency() cpu_relax()
-/* Used as a macro to identify the combined VIPT/PIPT cached
- * CPUs which require a guarantee of coherency (no inequivalent
- * aliases with different data, whether clean or not) to operate */
-static inline int parisc_requires_coherency(void)
-{
+/*
+ * parisc_requires_coherency() is used to identify the combined VIPT/PIPT
+ * cached CPUs which require a guarantee of coherency (no inequivalent aliases
+ * with different data, whether clean or not) to operate
+ */
#ifdef CONFIG_PA8X00
- return (boot_cpu_data.cpu_type == mako) ||
- (boot_cpu_data.cpu_type == mako2);
+extern int _parisc_requires_coherency;
+#define parisc_requires_coherency() _parisc_requires_coherency
#else
- return 0;
+#define parisc_requires_coherency() (0)
#endif
-}
#endif /* __ASSEMBLY__ */