x86: cpa move the flush into set and clear functions
To avoid the modification of the flush code for the clflush
implementation, move the flush into the set and clear functions and
provide helper functions for the debugging code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index fe73905..4e8b8c6 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -162,8 +162,8 @@
continue;
}
- err = change_page_attr_clear(addr[i], len[i],
- __pgprot(_PAGE_GLOBAL));
+ err = __change_page_attr_clear(addr[i], len[i],
+ __pgprot(_PAGE_GLOBAL));
if (err < 0) {
printk(KERN_ERR "CPA %d failed %d\n", i, err);
failed++;
@@ -197,8 +197,8 @@
failed++;
continue;
}
- err = change_page_attr_set(addr[i], len[i],
- __pgprot(_PAGE_GLOBAL));
+ err = __change_page_attr_set(addr[i], len[i],
+ __pgprot(_PAGE_GLOBAL));
if (err < 0) {
printk(KERN_ERR "CPA reverting failed: %d\n", err);
failed++;