x86: convert CPA users to the new set_page_ API
This patch converts various users of change_page_attr() to the new,
more intent driven set_page_*/set_memory_* API set.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 016c8cc..7c9bb30 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -770,34 +770,30 @@
if (num_possible_cpus() <= 1)
#endif
{
- change_page_attr(virt_to_page(start),
- size >> PAGE_SHIFT, PAGE_KERNEL_RX);
+ set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
printk("Write protecting the kernel text: %luk\n", size >> 10);
#ifdef CONFIG_CPA_DEBUG
global_flush_tlb();
printk("Testing CPA: Reverting %lx-%lx\n", start, start+size);
- change_page_attr(virt_to_page(start), size>>PAGE_SHIFT,
- PAGE_KERNEL_EXEC);
+ set_pages_rw(virt_to_page(start), size>>PAGE_SHIFT);
global_flush_tlb();
printk("Testing CPA: write protecting again\n");
- change_page_attr(virt_to_page(start), size>>PAGE_SHIFT,
- PAGE_KERNEL_RX);
+ set_pages_ro(virt_to_page(start), size>>PAGE_SHIFT);
global_flush_tlb();
#endif
}
#endif
start += size;
size = (unsigned long)__end_rodata - start;
- change_page_attr(virt_to_page(start),
- size >> PAGE_SHIFT, PAGE_KERNEL_RO);
+ set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
printk("Write protecting the kernel read-only data: %luk\n",
size >> 10);
/*
- * change_page_attr() requires a global_flush_tlb() call after it.
+ * set_pages_*() requires a global_flush_tlb() call after it.
* We do this after the printk so that if something went wrong in the
* change, the printk gets out at least to give a better debug hint
* of who is the culprit.
@@ -806,13 +802,11 @@
#ifdef CONFIG_CPA_DEBUG
printk("Testing CPA: undo %lx-%lx\n", start, start + size);
- change_page_attr(virt_to_page(start), size >> PAGE_SHIFT,
- PAGE_KERNEL);
+ set_pages_rw(virt_to_page(start), size >> PAGE_SHIFT);
global_flush_tlb();
printk("Testing CPA: write protecting again\n");
- change_page_attr(virt_to_page(start), size >> PAGE_SHIFT,
- PAGE_KERNEL_RO);
+ set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
global_flush_tlb();
#endif
}