on 12/12/2011 19:05 Attilio Rao said the following:
> More precisely, what do you think about the patch below?
> I just didn't revert the moving of systm.h under param.h because Bruce
> seems to prefer that.
>
> I'm starting test-compile right now, let me know your preference.
The patch looks good to me.
> Index: sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
> ===================================================================
> --- sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
> (revision 228438)
> +++ sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c (working copy)
> @@ -5877,6 +5877,9 @@ dtrace_probe(dtrace_id_t id, uintptr_t arg0, uintp
> volatile uint16_t *flags;
> hrtime_t now;
>
> + if (SCHEDULER_STOPPED())
> + return;
> +
I think that this could even be "panicstr != NULL", there is probably no use for
DTrace at panic time.
> #if defined(sun)
> /*
> * Kick out immediately if this CPU is still being born (in which case
> Index: sys/security/mac/mac_priv.c
> ===================================================================
> --- sys/security/mac/mac_priv.c (revision 228438)
> +++ sys/security/mac/mac_priv.c (working copy)
> @@ -42,7 +42,6 @@ __FBSDID("$FreeBSD$");
> #include "opt_mac.h"
>
> #include <sys/param.h>
> -#include <sys/systm.h>
> #include <sys/kernel.h>
> #include <sys/priv.h>
> #include <sys/sdt.h>
I would even keep this inclusion, just for the "why not" reason.
> Index: sys/sys/lockstat.h
> ===================================================================
> --- sys/sys/lockstat.h (revision 228438)
> +++ sys/sys/lockstat.h (working copy)
> @@ -185,24 +185,17 @@ extern uint64_t lockstat_nsecs(void);
> #define LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(probe, lp, c, wt,
> f, l) do { \
> uint32_t id; \
> \
> - if (!SCHEDULER_STOPPED()) { \
> - lock_profile_obtain_lock_success(&(lp)->lock_object, c, wt, \
> - f, l); \
> - if ((id = lockstat_probemap[(probe)])) \
> - (*lockstat_probe_func)(id, (uintptr_t)(lp), 0, 0, \
> - 0, 0); \
> - } \
> + lock_profile_obtain_lock_success(&(lp)->lock_object, c, wt, f, l); \
> + if ((id = lockstat_probemap[(probe)])) \
> + (*lockstat_probe_func)(id, (uintptr_t)(lp), 0, 0, 0, 0); \
> } while (0)
>
> #define LOCKSTAT_PROFILE_RELEASE_LOCK(probe, lp) do {
> \
> uint32_t id; \
> \
> - if (!SCHEDULER_STOPPED()) { \
> - lock_profile_release_lock(&(lp)->lock_object); \
> - if ((id = lockstat_probemap[(probe)])) \
> - (*lockstat_probe_func)(id, (uintptr_t)(lp), 0, 0, \
> - 0, 0); \
> - } \
> + lock_profile_release_lock(&(lp)->lock_object); \
> + if ((id = lockstat_probemap[(probe)])) \
> + (*lockstat_probe_func)(id, (uintptr_t)(lp), 0, 0, 0, 0); \
> } while (0)
>
> #else /* !KDTRACE_HOOKS */
--
Andriy Gapon
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