Author: kib
Date: Sun Aug 25 21:01:40 2019
New Revision: 351495
URL: https://svnweb.freebsd.org/changeset/base/351495
Log:
amd64: loose constraints on the APs dpcpu and nmi/dbg stack allocations.
Use DOMAINSET_PREF() instead of DOMAINSET_FIXED(), to gracefully
fallback in case of memory-less domain.
Reported and tested by: bcran
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/amd64/amd64/mp_machdep.c
Modified: head/sys/amd64/amd64/mp_machdep.c
==============================================================================
--- head/sys/amd64/amd64/mp_machdep.c Sun Aug 25 20:57:39 2019
(r351494)
+++ head/sys/amd64/amd64/mp_machdep.c Sun Aug 25 21:01:40 2019
(r351495)
@@ -483,10 +483,10 @@ native_start_all_aps(void)
M_ZERO);
mce_stack = (char *)kmem_malloc(PAGE_SIZE, M_WAITOK | M_ZERO);
nmi_stack = (char *)kmem_malloc_domainset(
- DOMAINSET_FIXED(domain), PAGE_SIZE, M_WAITOK | M_ZERO);
+ DOMAINSET_PREF(domain), PAGE_SIZE, M_WAITOK | M_ZERO);
dbg_stack = (char *)kmem_malloc_domainset(
- DOMAINSET_FIXED(domain), PAGE_SIZE, M_WAITOK | M_ZERO);
- dpcpu = (void *)kmem_malloc_domainset(DOMAINSET_FIXED(domain),
+ DOMAINSET_PREF(domain), PAGE_SIZE, M_WAITOK | M_ZERO);
+ dpcpu = (void *)kmem_malloc_domainset(DOMAINSET_PREF(domain),
DPCPU_SIZE, M_WAITOK | M_ZERO);
bootSTK = (char *)bootstacks[cpu] +
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