Re: [PATCH 4/4] powerpc: Enable KFENCE on BOOK3S/64

Daniel Axtens [off-list ref] writes:

quoted

+#ifdef CONFIG_PPC64
+static inline bool kfence_protect_page(unsigned long addr, bool protect)
+{
+	struct page *page;
+
+	page = virt_to_page(addr);
+	if (protect)
+		__kernel_map_pages(page, 1, 0);
+	else
+		__kernel_map_pages(page, 1, 1);

I lose track of the type conversions and code conventions involved, but
can we do something like __kernel_map_pages(page, 1, !!protect)?

Ah, I missed that the if changed the truth/falsity. !protect, not
!!protect :P

Apart from that, this seems good.

Kind regards,
Daniel