The quilt patch titled Subject: x86/purgatory: disable KMSAN instrumentation has been removed from the -mm tree. Its filename was x86-purgatory-disable-kmsan-instrumentation.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Alexander Potapenko <glider@xxxxxxxxxx> Subject: x86/purgatory: disable KMSAN instrumentation Date: Mon, 24 Oct 2022 23:21:41 +0200 The stand-alone purgatory.ro does not contain the KMSAN runtime, therefore it can't be built with KMSAN compiler instrumentation. Link: https://lkml.kernel.org/r/20221024212144.2852069-2-glider@xxxxxxxxxx Link: https://github.com/google/kmsan/issues/89 Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/arch/x86/purgatory/Makefile~x86-purgatory-disable-kmsan-instrumentation +++ a/arch/x86/purgatory/Makefile @@ -26,6 +26,7 @@ GCOV_PROFILE := n KASAN_SANITIZE := n UBSAN_SANITIZE := n KCSAN_SANITIZE := n +KMSAN_SANITIZE := n KCOV_INSTRUMENT := n # These are adjustments to the compiler flags used for objects that _ Patches currently in -mm which might be from glider@xxxxxxxxxx are