kasan: prefix global functions with kasan_

Patch series "kasan: HW_TAGS tests support and fixes", v4.

This patchset adds support for running KASAN-KUnit tests with the
hardware tag-based mode and also contains a few fixes.

This patch (of 15):

There's a number of internal KASAN functions that are used across multiple
source code files and therefore aren't marked as static inline.  To avoid
littering the kernel function names list with generic function names,
prefix all such KASAN functions with kasan_.

As a part of this change:

 - Rename internal (un)poison_range() to kasan_(un)poison() (no _range)
   to avoid name collision with a public kasan_unpoison_range().

 - Rename check_memory_region() to kasan_check_range(), as it's a more
   fitting name.

Link: https://lkml.kernel.org/r/cover.1610733117.git.andreyknvl@google.com
Link: https://linux-review.googlesource.com/id/I719cc93483d4ba288a634dba80ee6b7f2809cd26
Link: https://lkml.kernel.org/r/13777aedf8d3ebbf35891136e1f2287e2f34aaba.1610733117.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Suggested-by: Marco Elver <elver@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/mm/kasan/report_generic.c b/mm/kasan/report_generic.c
index 8a9c889872da..41f374585144 100644
--- a/mm/kasan/report_generic.c
+++ b/mm/kasan/report_generic.c
@@ -30,7 +30,7 @@
 #include "kasan.h"
 #include "../slab.h"
 
-void *find_first_bad_addr(void *addr, size_t size)
+void *kasan_find_first_bad_addr(void *addr, size_t size)
 {
 	void *p = addr;
 
@@ -105,7 +105,7 @@ static const char *get_wild_bug_type(struct kasan_access_info *info)
 	return bug_type;
 }
 
-const char *get_bug_type(struct kasan_access_info *info)
+const char *kasan_get_bug_type(struct kasan_access_info *info)
 {
 	/*
 	 * If access_size is a negative number, then it has reason to be
@@ -123,7 +123,7 @@ const char *get_bug_type(struct kasan_access_info *info)
 	return get_wild_bug_type(info);
 }
 
-void metadata_fetch_row(char *buffer, void *row)
+void kasan_metadata_fetch_row(char *buffer, void *row)
 {
 	memcpy(buffer, kasan_mem_to_shadow(row), META_BYTES_PER_ROW);
 }
@@ -263,7 +263,7 @@ static bool __must_check get_address_stack_frame_info(const void *addr,
 	return true;
 }
 
-void print_address_stack_frame(const void *addr)
+void kasan_print_address_stack_frame(const void *addr)
 {
 	unsigned long offset;
 	const char *frame_descr;