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authorAndrey Konovalov <andreyknvl@google.com>2020-12-22 23:00:32 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-22 23:55:06 +0300
commitbb359dbcb70085a63e8bdbf14837a900750f0cf7 (patch)
tree30bd88430c1de3f9c522e197442d8ba669f65b53 /mm/kasan/Makefile
parentb266e8fee9630d1e5a9144f33222a49c06ad6976 (diff)
downloadlinux-bb359dbcb70085a63e8bdbf14837a900750f0cf7.tar.xz
kasan: split out shadow.c from common.c
This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. The new mode won't be using shadow memory. Move all shadow-related code to shadow.c, which is only enabled for software KASAN modes that use shadow memory. No functional changes for software modes. Link: https://lkml.kernel.org/r/17d95cfa7d5cf9c4fcd9bf415f2a8dea911668df.1606161801.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Alexander Potapenko <glider@google.com> Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/kasan/Makefile')
-rw-r--r--mm/kasan/Makefile6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile
index 7cf685bb51bd..7cc1031e1ef8 100644
--- a/mm/kasan/Makefile
+++ b/mm/kasan/Makefile
@@ -10,6 +10,7 @@ CFLAGS_REMOVE_generic_report.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_quarantine.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_shadow.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_tags.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_tags_report.o = $(CC_FLAGS_FTRACE)
@@ -26,9 +27,10 @@ CFLAGS_generic_report.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_init.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_quarantine.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_report.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_shadow.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_tags_report.o := $(CC_FLAGS_KASAN_RUNTIME)
obj-$(CONFIG_KASAN) := common.o report.o
-obj-$(CONFIG_KASAN_GENERIC) += init.o generic.o generic_report.o quarantine.o
-obj-$(CONFIG_KASAN_SW_TAGS) += init.o tags.o tags_report.o
+obj-$(CONFIG_KASAN_GENERIC) += init.o generic.o generic_report.o shadow.o quarantine.o
+obj-$(CONFIG_KASAN_SW_TAGS) += init.o shadow.o tags.o tags_report.o