linux/mm/kasan
Andrey Konovalov aa5c219c60 kasan: init memory in kasan_(un)poison for HW_TAGS
This change adds an argument to kasan_poison() and kasan_unpoison() that
allows initializing memory along with setting the tags for HW_TAGS.

Combining setting allocation tags with memory initialization will improve
HW_TAGS KASAN performance when init_on_alloc/free is enabled.

This change doesn't integrate memory initialization with KASAN, this is
done is subsequent patches in this series.

Link: https://lkml.kernel.org/r/3054314039fa64510947e674180d675cab1b4c41.1615296150.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
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>
2021-04-30 11:20:41 -07:00
..
common.c kasan: init memory in kasan_(un)poison for HW_TAGS 2021-04-30 11:20:41 -07:00
generic.c kasan: init memory in kasan_(un)poison for HW_TAGS 2021-04-30 11:20:41 -07:00
hw_tags.c kasan, arm64: tests supports for HW_TAGS async mode 2021-04-11 10:57:45 +01:00
init.c kasan: fix incorrect arguments passing in kasan_add_zero_shadow 2021-01-24 10:34:52 -08:00
kasan.h kasan: init memory in kasan_(un)poison for HW_TAGS 2021-04-30 11:20:41 -07:00
Makefile kasan, arm64: implement HW_TAGS runtime 2020-12-22 12:55:08 -08:00
quarantine.c kasan: prefix global functions with kasan_ 2021-02-24 13:38:30 -08:00
report_generic.c mm/kasan: switch from strlcpy to strscpy 2021-04-30 11:20:41 -07:00
report_hw_tags.c kasan: prefix global functions with kasan_ 2021-02-24 13:38:30 -08:00
report_sw_tags.c kasan: prefix global functions with kasan_ 2021-02-24 13:38:30 -08:00
report.c kasan, arm64: tests supports for HW_TAGS async mode 2021-04-11 10:57:45 +01:00
shadow.c kasan: init memory in kasan_(un)poison for HW_TAGS 2021-04-30 11:20:41 -07:00
sw_tags.c kasan: init memory in kasan_(un)poison for HW_TAGS 2021-04-30 11:20:41 -07:00