Re: [PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL

From: Mark Rutland
Date: Fri Nov 18 2016 - 13:26:17 EST


On Thu, Nov 17, 2016 at 05:16:56PM -0800, Laura Abbott wrote:
> diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile
> index 54bb209..0d37c19 100644
> --- a/arch/arm64/mm/Makefile
> +++ b/arch/arm64/mm/Makefile
> @@ -5,6 +5,7 @@ obj-y := dma-mapping.o extable.o fault.o init.o \
> obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
> obj-$(CONFIG_ARM64_PTDUMP) += dump.o
> obj-$(CONFIG_NUMA) += numa.o
> +obj-$(CONFIG_DEBUG_VIRTUAL) += physaddr.o

We'll also need:

KASAN_SANITIZE_physaddr.o := n

... or code prior to KASAN init will cause the kernel to die if
__virt_to_phys() or __phys_addr_symbol() are called.

> obj-$(CONFIG_KASAN) += kasan_init.o
> KASAN_SANITIZE_kasan_init.o := n

Thanks,
Mark,