Author: marius
Date: Tue Jul 5 20:05:06 2011
New Revision: 223806
URL: http://svn.freebsd.org/changeset/base/223806
Log:
Remove the IDR_CHEETAH_MAX_BN_PAIRS limit from cheetah_ipi_selected().
This is just a simple approach. For reasons unknown OpenSolaris uses a
more sophisticated one involving IPIing the remaining CPUs in reverse
order after the first batch of 32.
Modified:
head/sys/sparc64/sparc64/mp_machdep.c
Modified: head/sys/sparc64/sparc64/mp_machdep.c
==============================================================================
--- head/sys/sparc64/sparc64/mp_machdep.c Tue Jul 5 19:48:57 2011
(r223805)
+++ head/sys/sparc64/sparc64/mp_machdep.c Tue Jul 5 20:05:06 2011
(r223806)
@@ -139,8 +139,6 @@ static cpu_ipi_single_t spitfire_ipi_sin
SYSINIT(cpu_mp_unleash, SI_SUB_SMP, SI_ORDER_FIRST, cpu_mp_unleash, NULL);
-CTASSERT(MAXCPU <= IDR_CHEETAH_MAX_BN_PAIRS);
-
void
mp_init(u_int cpu_impl)
{
@@ -696,6 +694,8 @@ cheetah_ipi_selected(cpuset_t cpus, u_lo
ASI_SDB_INTR_W, 0);
membar(Sync);
bnp++;
+ if (bnp == IDR_CHEETAH_MAX_BN_PAIRS)
+ break;
}
}
while (((ids = ldxa(0, ASI_INTR_DISPATCH_STATUS)) &
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