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sync with OpenBSD -current

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This commit is contained in:
purplerain 2024-08-23 05:18:42 +00:00
parent f7a17acf06
commit 5855eb553f
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
75 changed files with 286 additions and 284 deletions
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7
sys/dev/dt/dt_dev.c
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@ -1,4 +1,4 @@
/* $OpenBSD: dt_dev.c,v 1.35 2024/08/21 09:27:37 mpi Exp $ */
/* $OpenBSD: dt_dev.c,v 1.36 2024/08/22 10:08:25 mvs Exp $ */
/*
* Copyright (c) 2019 Martin Pieuchot <mpi@openbsd.org>
@ -88,6 +88,7 @@
* to keep track of enabled PCBs.
*
* Locks used to protect struct members in this file:
* a atomic
* m per-softc mutex
* K kernel lock
*/
@ -119,7 +120,7 @@ SIMPLEQ_HEAD(, dt_probe) dt_probe_list; /* [I] list of probes */
struct rwlock dt_lock = RWLOCK_INITIALIZER("dtlk");
volatile uint32_t dt_tracing = 0; /* [K] # of processes tracing */
int allowdt;
int allowdt; /* [a] */
void dtattach(struct device *, struct device *, void *);
int dtopen(dev_t, int, int, struct proc *);
@ -162,7 +163,7 @@ dtopen(dev_t dev, int flags, int mode, struct proc *p)
struct dt_softc *sc;
int unit = minor(dev);
if (!allowdt)
if (atomic_load_int(&allowdt) == 0)
return EPERM;
sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK|M_CANFAIL|M_ZERO);