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--- src/VBox/Runtime/r0drv/freebsd/mp-r0drv-freebsd.c.orig 2018-10-15 14:31:31 UTC
+++ src/VBox/Runtime/r0drv/freebsd/mp-r0drv-freebsd.c
@@ -36,6 +36,15 @@
#include <iprt/cpuset.h>
#include "r0drv/mp-r0drv.h"
+#if __FreeBSD_version >= 700000 && __FreeBSD_version < 900000
+#define cpuset_t cpumask_t
+#define all_cpus (~(cpumask_t)0)
+#define CPU_CLR(n, p) do { *(p) &= ~((cpumask_t)1 << (n)); } while (0)
+#define CPU_SETOF(n, p) do { *(p) = (cpumask_t)1 << (n); } while (0)
+#endif
+#if __FreeBSD_version < 1200028
+#define smp_no_rendezvous_barrier smp_no_rendevous_barrier
+#endif
RTDECL(RTCPUID) RTMpCpuId(void)
{
@@ -143,7 +152,9 @@ RTDECL(RTCPUID) RTMpGetOnlineCount(void)
static void rtmpOnAllFreeBSDWrapper(void *pvArg)
{
PRTMPARGS pArgs = (PRTMPARGS)pvArg;
+ IPRT_FREEBSD_SAVE_EFL_AC();
pArgs->pfnWorker(curcpu, pArgs->pvUser1, pArgs->pvUser2);
+ IPRT_FREEBSD_RESTORE_EFL_AC();
}
@@ -155,7 +166,9 @@ RTDECL(int) RTMpOnAll(PFNRTMPWORKER pfnWorker, void *p
Args.pvUser2 = pvUser2;
Args.idCpu = NIL_RTCPUID;
Args.cHits = 0;
- smp_rendezvous(NULL, rtmpOnAllFreeBSDWrapper, smp_no_rendevous_barrier, &Args);
+ IPRT_FREEBSD_SAVE_EFL_AC();
+ smp_rendezvous(NULL, rtmpOnAllFreeBSDWrapper, smp_no_rendezvous_barrier, &Args);
+ IPRT_FREEBSD_RESTORE_EFL_AC();
return VINF_SUCCESS;
}
@@ -171,7 +184,11 @@ static void rtmpOnOthersFreeBSDWrapper(void *pvArg)
PRTMPARGS pArgs = (PRTMPARGS)pvArg;
RTCPUID idCpu = curcpu;
if (pArgs->idCpu != idCpu)
+ {
+ IPRT_FREEBSD_SAVE_EFL_AC();
pArgs->pfnWorker(idCpu, pArgs->pvUser1, pArgs->pvUser2);
+ IPRT_FREEBSD_RESTORE_EFL_AC();
+ }
}
@@ -180,10 +197,8 @@ RTDECL(int) RTMpOnOthers(PFNRTMPWORKER pfnWorker, void
/* Will panic if no rendezvousing cpus, so check up front. */
if (RTMpGetOnlineCount() > 1)
{
-#if __FreeBSD_version >= 900000
- cpuset_t Mask;
-#elif __FreeBSD_version >= 700000
- cpumask_t Mask;
+#if __FreeBSD_version >= 700000
+ cpuset_t Cpus;
#endif
RTMPARGS Args;
@@ -192,17 +207,15 @@ RTDECL(int) RTMpOnOthers(PFNRTMPWORKER pfnWorker, void
Args.pvUser2 = pvUser2;
Args.idCpu = RTMpCpuId();
Args.cHits = 0;
+ IPRT_FREEBSD_SAVE_EFL_AC();
#if __FreeBSD_version >= 700000
-# if __FreeBSD_version >= 900000
- Mask = all_cpus;
- CPU_CLR(curcpu, &Mask);
-# else
- Mask = ~(cpumask_t)curcpu;
-# endif
- smp_rendezvous_cpus(Mask, NULL, rtmpOnOthersFreeBSDWrapper, smp_no_rendevous_barrier, &Args);
+ Cpus = all_cpus;
+ CPU_CLR(curcpu, &Cpus);
+ smp_rendezvous_cpus(Cpus, NULL, rtmpOnOthersFreeBSDWrapper, smp_no_rendezvous_barrier, &Args);
#else
smp_rendezvous(NULL, rtmpOnOthersFreeBSDWrapper, NULL, &Args);
#endif
+ IPRT_FREEBSD_RESTORE_EFL_AC();
}
return VINF_SUCCESS;
}
@@ -220,18 +233,18 @@ static void rtmpOnSpecificFreeBSDWrapper(void *pvArg)
RTCPUID idCpu = curcpu;
if (pArgs->idCpu == idCpu)
{
+ IPRT_FREEBSD_SAVE_EFL_AC();
pArgs->pfnWorker(idCpu, pArgs->pvUser1, pArgs->pvUser2);
ASMAtomicIncU32(&pArgs->cHits);
+ IPRT_FREEBSD_RESTORE_EFL_AC();
}
}
RTDECL(int) RTMpOnSpecific(RTCPUID idCpu, PFNRTMPWORKER pfnWorker, void *pvUser1, void *pvUser2)
{
-#if __FreeBSD_version >= 900000
- cpuset_t Mask;
-#elif __FreeBSD_version >= 700000
- cpumask_t Mask;
+#if __FreeBSD_version >= 700000
+ cpuset_t Cpus;
#endif
RTMPARGS Args;
@@ -244,16 +257,14 @@ RTDECL(int) RTMpOnSpecific(RTCPUID idCpu, PFNRTMPWORKE
Args.pvUser2 = pvUser2;
Args.idCpu = idCpu;
Args.cHits = 0;
+ IPRT_FREEBSD_SAVE_EFL_AC();
#if __FreeBSD_version >= 700000
-# if __FreeBSD_version >= 900000
- CPU_SETOF(idCpu, &Mask);
-# else
- Mask = (cpumask_t)1 << idCpu;
-# endif
- smp_rendezvous_cpus(Mask, NULL, rtmpOnSpecificFreeBSDWrapper, smp_no_rendevous_barrier, &Args);
+ CPU_SETOF(idCpu, &Cpus);
+ smp_rendezvous_cpus(Cpus, NULL, rtmpOnSpecificFreeBSDWrapper, smp_no_rendezvous_barrier, &Args);
#else
smp_rendezvous(NULL, rtmpOnSpecificFreeBSDWrapper, NULL, &Args);
#endif
+ IPRT_FREEBSD_RESTORE_EFL_AC();
return Args.cHits == 1
? VINF_SUCCESS
: VERR_CPU_NOT_FOUND;
@@ -273,22 +284,16 @@ static void rtmpFreeBSDPokeCallback(void *pvArg)
RTDECL(int) RTMpPokeCpu(RTCPUID idCpu)
{
-#if __FreeBSD_version >= 900000
- cpuset_t Mask;
-#elif __FreeBSD_version >= 700000
- cpumask_t Mask;
-#endif
+ cpuset_t Cpus;
/* Will panic if no rendezvousing cpus, so make sure the cpu is online. */
if (!RTMpIsCpuOnline(idCpu))
return VERR_CPU_NOT_FOUND;
-# if __FreeBSD_version >= 900000
- CPU_SETOF(idCpu, &Mask);
-# else
- Mask = (cpumask_t)1 << idCpu;
-# endif
- smp_rendezvous_cpus(Mask, NULL, rtmpFreeBSDPokeCallback, smp_no_rendevous_barrier, NULL);
+ IPRT_FREEBSD_SAVE_EFL_AC();
+ CPU_SETOF(idCpu, &Cpus);
+ smp_rendezvous_cpus(Cpus, NULL, rtmpFreeBSDPokeCallback, smp_no_rendezvous_barrier, NULL);
+ IPRT_FREEBSD_RESTORE_EFL_AC();
return VINF_SUCCESS;
}
|