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kmsan: Use __builtin_memset to initialize per-thread state

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Accesses to KMSAN's TLS block are not instrumented, so there's no need
to use kmsan_memset().  No functional change intended.

MFC after:	1 week
Sponsored by:	Klara, Inc.
Sponsored by:	Juniper Networks, Inc.
This commit is contained in:
Mark Johnston 2023-10-16 15:37:19 -04:00
parent 7123222220
commit e5caed1406
1 changed files with 1 additions and 1 deletions
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2
sys/kern/subr_msan.c
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@ -452,7 +452,7 @@ kmsan_thread_alloc(struct thread *td)
sizeof(int));
mtd = malloc(sizeof(*mtd), M_KMSAN, M_WAITOK);
}
kmsan_memset(mtd, 0, sizeof(*mtd));
__builtin_memset(mtd, 0, sizeof(*mtd));
mtd->ctx = 0;
if (td->td_kstack != 0)