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

From	Mark Rutland <mark.rutland@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL
Date	2016-11-18 19:30 +0100
Message-ID	<sEW5c-2jW-23@gated-at.bofh.it> (permalink)
References	<sEG0p-7y-3@gated-at.bofh.it> <sEG0p-7y-7@gated-at.bofh.it>
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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,

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[PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL Laura Abbott <labbott@redhat.com> - 2016-11-18 02:20 +0100
  Re: [PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL Mark Rutland <mark.rutland@arm.com> - 2016-11-18 19:00 +0100
    Re: [PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL Laura Abbott <labbott@redhat.com> - 2016-11-18 19:50 +0100
      Re: [PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL Mark Rutland <mark.rutland@arm.com> - 2016-11-18 20:10 +0100
        Re: [PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL Laura Abbott <labbott@redhat.com> - 2016-11-18 20:20 +0100
  Re: [PATCHv3 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL Mark Rutland <mark.rutland@arm.com> - 2016-11-18 19:30 +0100

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