[PATCH] s390/cpacf: Unpoison query results
Ilya Leoshkevich <[email protected]>
| Newsgroups | org.kernel.vger.linux-s390,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Stop KMSAN from complaining about query results being uninitialized. Signed-off-by: Ilya Leoshkevich <[email protected]> --- arch/s390/include/asm/cpacf.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h index a83683169d98d..d4128d3fd5138 100644 --- a/arch/s390/include/asm/cpacf.h +++ b/arch/s390/include/asm/cpacf.h @@ -301,6 +301,7 @@ static __always_inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask) { __cpacf_query_insn(opcode, mask, CPACF_FC_QUERY); + kmsan_unpoison_memory(mask, sizeof(*mask)); } static __always_inline int __cpacf_check_opcode(unsigned int opcode) @@ -370,6 +371,7 @@ static __always_inline int cpacf_query_func(unsigned int opcode, static __always_inline void __cpacf_qai(unsigned int opcode, cpacf_qai_t *qai) { __cpacf_query_insn(opcode, qai, CPACF_FC_QUERY_AUTH_INFO); + kmsan_unpoison_memory(qai, sizeof(*qai)); } /** -- 2.55.0