diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/ipl.c | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/smp.c | 5 |
4 files changed, 8 insertions, 3 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 55956c96558c..34768e6ef4fb 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -242,7 +242,7 @@ static inline unsigned long current_stack_pointer(void) return sp; } -static inline unsigned short stap(void) +static __no_sanitize_address_or_inline unsigned short stap(void) { unsigned short cpu_address; diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 1f9c98f7d9e2..386b1abb217b 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -24,6 +24,8 @@ UBSAN_SANITIZE_early.o := n UBSAN_SANITIZE_early_nobss.o := n KASAN_SANITIZE_early_nobss.o := n +KASAN_SANITIZE_ipl.o := n +KASAN_SANITIZE_machine_kexec.o := n # # Passing null pointers is ok for smp code, since we access the lowcore here. diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index f1d69f78bb1d..18a5d6317acc 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -156,6 +156,8 @@ static inline int __diag308(unsigned long subcode, void *addr) int diag308(unsigned long subcode, void *addr) { + if (IS_ENABLED(CONFIG_KASAN)) + __arch_local_irq_stosm(0x04); /* enable DAT */ diag_stat_inc(DIAG_STAT_X308); return __diag308(subcode, addr); } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index c98059faee46..1b3188f57b58 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -313,8 +313,9 @@ static void __pcpu_delegate(void (*func)(void*), void *data) func(data); /* should not return */ } -static void pcpu_delegate(struct pcpu *pcpu, void (*func)(void *), - void *data, unsigned long stack) +static void __no_sanitize_address pcpu_delegate(struct pcpu *pcpu, + void (*func)(void *), + void *data, unsigned long stack) { struct lowcore *lc = lowcore_ptr[pcpu - pcpu_devices]; unsigned long source_cpu = stap(); |