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authorLaura Abbott <labbott@redhat.com>2016-10-27 19:27:31 +0300
committerCatalin Marinas <catalin.marinas@arm.com>2016-11-07 21:15:04 +0300
commit4ddb9bf83349b4f4f8178e58c3654ac7ec7edbc6 (patch)
tree6d5ee3eb03f7afda1a006bda20bfa094c57df037 /arch/arm64/include/asm/ptdump.h
parent0bfc445dec9dd8130d22c9f4476eed7598524129 (diff)
downloadlinux-4ddb9bf83349b4f4f8178e58c3654ac7ec7edbc6.tar.xz
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/include/asm/ptdump.h')
-rw-r--r--arch/arm64/include/asm/ptdump.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm64/include/asm/ptdump.h b/arch/arm64/include/asm/ptdump.h
index 07b8ed037dee..16335dac3c1f 100644
--- a/arch/arm64/include/asm/ptdump.h
+++ b/arch/arm64/include/asm/ptdump.h
@@ -16,9 +16,10 @@
#ifndef __ASM_PTDUMP_H
#define __ASM_PTDUMP_H
-#ifdef CONFIG_ARM64_PTDUMP
+#ifdef CONFIG_ARM64_PTDUMP_CORE
#include <linux/mm_types.h>
+#include <linux/seq_file.h>
struct addr_marker {
unsigned long start_address;
@@ -32,13 +33,15 @@ struct ptdump_info {
unsigned long max_addr;
};
-int ptdump_register(struct ptdump_info *info, const char *name);
-
+void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
+#ifdef CONFIG_ARM64_PTDUMP_DEBUGFS
+int ptdump_debugfs_register(struct ptdump_info *info, const char *name);
#else
-static inline int ptdump_register(struct ptdump_info *info, const char *name)
+static inline int ptdump_debugfs_register(struct ptdump_info *info,
+ const char *name)
{
return 0;
}
-#endif /* CONFIG_ARM64_PTDUMP */
-
+#endif
+#endif /* CONFIG_ARM64_PTDUMP_CORE */
#endif /* __ASM_PTDUMP_H */