diff options
| author | Changbin Du <changbin.du@huawei.com> | 2024-03-08 12:44:01 +0800 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-03-08 08:59:22 +0100 |
| commit | c0935fca6ba4799e5efc6daeee37887e84707d01 (patch) | |
| tree | 96a4564fb48908764868a5dba61c00b8010931d8 /arch/x86/kernel | |
| parent | d7b69b590bc9a5d299c82d3b27772cece0238d38 (diff) | |
x86/sev: Disable KMSAN for memory encryption TUs
Instrumenting sev.c and mem_encrypt_identity.c with KMSAN will result in
a triple-faulting kernel. Some of the code is invoked too early during
boot, before KMSAN is ready.
Disable KMSAN instrumentation for the two translation units.
[ bp: Massage commit message. ]
Signed-off-by: Changbin Du <changbin.du@huawei.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240308044401.1120395-1-changbin.du@huawei.com
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 0000325ab98f..04591d0145e0 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -33,6 +33,7 @@ KASAN_SANITIZE_sev.o := n KCSAN_SANITIZE := n KMSAN_SANITIZE_head$(BITS).o := n KMSAN_SANITIZE_nmi.o := n +KMSAN_SANITIZE_sev.o := n # If instrumentation of the following files is enabled, boot hangs during # first second. |