From ec6d06efb0bac6cd92846e42d1afe5b98b57e7c2 Mon Sep 17 00:00:00 2001 From: Laura Abbott Date: Tue, 10 Jan 2017 13:35:50 -0800 Subject: arm64: Add support for CONFIG_DEBUG_VIRTUAL x86 has an option CONFIG_DEBUG_VIRTUAL to do additional checks on virt_to_phys calls. The goal is to catch users who are calling virt_to_phys on non-linear addresses immediately. This inclues callers using virt_to_phys on image addresses instead of __pa_symbol. As features such as CONFIG_VMAP_STACK get enabled for arm64, this becomes increasingly important. Add checks to catch bad virt_to_phys usage. Reviewed-by: Mark Rutland Tested-by: Mark Rutland Signed-off-by: Laura Abbott Signed-off-by: Will Deacon --- arch/arm64/mm/Makefile | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm64/mm/Makefile') diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile index e703fb9defad..9b0ba191e48e 100644 --- a/arch/arm64/mm/Makefile +++ b/arch/arm64/mm/Makefile @@ -6,6 +6,8 @@ obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o obj-$(CONFIG_ARM64_PTDUMP_CORE) += dump.o obj-$(CONFIG_ARM64_PTDUMP_DEBUGFS) += ptdump_debugfs.o obj-$(CONFIG_NUMA) += numa.o +obj-$(CONFIG_DEBUG_VIRTUAL) += physaddr.o +KASAN_SANITIZE_physaddr.o += n obj-$(CONFIG_KASAN) += kasan_init.o KASAN_SANITIZE_kasan_init.o := n -- cgit v1.2.3