The quilt patch titled
Subject: kmsan: use stack_depot_save instead of __stack_depot_save
has been removed from the -mm tree. Its filename was
kmsan-use-stack_depot_save-instead-of-__stack_depot_save.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kmsan: use stack_depot_save instead of __stack_depot_save
Date: Mon, 20 Nov 2023 18:47:12 +0100
Make KMSAN use stack_depot_save instead of __stack_depot_save, as it
always passes true to __stack_depot_save as the last argument.
Link: https://lkml.kernel.org/r/18092240699efdc6acd78b51e41ea782953e6c8d.1700502145.git.andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kmsan/core.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- a/mm/kmsan/core.c~kmsan-use-stack_depot_save-instead-of-__stack_depot_save
+++ a/mm/kmsan/core.c
@@ -76,7 +76,7 @@ depot_stack_handle_t kmsan_save_stack_wi
/* Don't sleep. */
flags &= ~(__GFP_DIRECT_RECLAIM | __GFP_KSWAPD_RECLAIM);
- handle = __stack_depot_save(entries, nr_entries, flags, true);
+ handle = stack_depot_save(entries, nr_entries, flags);
return stack_depot_set_extra_bits(handle, extra);
}
@@ -185,11 +185,10 @@ depot_stack_handle_t kmsan_internal_chai
/*
* @entries is a local var in non-instrumented code, so KMSAN does not
* know it is initialized. Explicitly unpoison it to avoid false
- * positives when __stack_depot_save() passes it to instrumented code.
+ * positives when stack_depot_save() passes it to instrumented code.
*/
kmsan_internal_unpoison_memory(entries, sizeof(entries), false);
- handle = __stack_depot_save(entries, ARRAY_SIZE(entries), __GFP_HIGH,
- true);
+ handle = stack_depot_save(entries, ARRAY_SIZE(entries), __GFP_HIGH);
return stack_depot_set_extra_bits(handle, extra_bits);
}
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
