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authorLaura Abbott <labbott@redhat.com>2016-10-27 09:27:31 -0700
committerCatalin Marinas <catalin.marinas@arm.com>2016-11-07 18:15:04 +0000
commit4ddb9bf83349b4f4f8178e58c3654ac7ec7edbc6 (patch)
tree6d5ee3eb03f7afda1a006bda20bfa094c57df037 /arch/arm64/Kconfig.debug
parentarm64: mm: set the contiguous bit for kernel mappings where appropriate (diff)
downloadlinux-dev-4ddb9bf83349b4f4f8178e58c3654ac7ec7edbc6.tar.xz
linux-dev-4ddb9bf83349b4f4f8178e58c3654ac7ec7edbc6.zip
arm64: dump: Make ptdump debugfs a separate option
ptdump_register currently initializes a set of page table information and registers debugfs. There are uses for the ptdump option without wanting the debugfs options. Split this out to make it a separate option. Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Tested-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/Kconfig.debug')
-rw-r--r--arch/arm64/Kconfig.debug6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug
index b661fe742615..21a5b7409641 100644
--- a/arch/arm64/Kconfig.debug
+++ b/arch/arm64/Kconfig.debug
@@ -2,9 +2,13 @@ menu "Kernel hacking"
source "lib/Kconfig.debug"
-config ARM64_PTDUMP
+config ARM64_PTDUMP_CORE
+ def_bool n
+
+config ARM64_PTDUMP_DEBUGFS
bool "Export kernel pagetable layout to userspace via debugfs"
depends on DEBUG_KERNEL
+ select ARM64_PTDUMP_CORE
select DEBUG_FS
help
Say Y here if you want to show the kernel pagetable layout in a