Author: andrew
Date: Wed Oct 26 12:30:53 2016
New Revision: 307961
URL: https://svnweb.freebsd.org/changeset/base/307961
Log:
Only release CPUs when they exist.
MFC after: 1 week
Sponsored by: DARPA, AFRL
Modified:
head/sys/arm64/arm64/mp_machdep.c
Modified: head/sys/arm64/arm64/mp_machdep.c
==============================================================================
--- head/sys/arm64/arm64/mp_machdep.c Wed Oct 26 12:29:56 2016
(r307960)
+++ head/sys/arm64/arm64/mp_machdep.c Wed Oct 26 12:30:53 2016
(r307961)
@@ -203,6 +203,10 @@ release_aps(void *dummy __unused)
{
int i;
+ /* Only release CPUs if they exist */
+ if (mp_ncpus == 1)
+ return;
+
intr_pic_ipi_setup(IPI_AST, "ast", ipi_ast, NULL);
intr_pic_ipi_setup(IPI_PREEMPT, "preempt", ipi_preempt, NULL);
intr_pic_ipi_setup(IPI_RENDEZVOUS, "rendezvous", ipi_rendezvous, NULL);
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