Author: mjg
Date: Thu Feb 15 07:23:41 2018
New Revision: 329297
URL: https://svnweb.freebsd.org/changeset/base/329297
Log:
xen: fix smp boot after r328157
mce_stack was left unset leading to early crashes
Modified:
head/sys/x86/xen/pv.c
Modified: head/sys/x86/xen/pv.c
==============================================================================
--- head/sys/x86/xen/pv.c Thu Feb 15 03:22:53 2018 (r329296)
+++ head/sys/x86/xen/pv.c Thu Feb 15 07:23:41 2018 (r329297)
@@ -99,6 +99,7 @@ static int xen_pv_start_all_aps(void);
#ifdef SMP
/* Variables used by amd64 mp_machdep to start APs */
extern char *doublefault_stack;
+extern char *mce_stack;
extern char *nmi_stack;
#endif
@@ -218,6 +219,8 @@ start_xen_ap(int cpu)
bootstacks[cpu] =
(void *)kmem_malloc(kernel_arena, stacksize, M_WAITOK | M_ZERO);
doublefault_stack =
+ (char *)kmem_malloc(kernel_arena, PAGE_SIZE, M_WAITOK | M_ZERO);
+ mce_stack =
(char *)kmem_malloc(kernel_arena, PAGE_SIZE, M_WAITOK | M_ZERO);
nmi_stack =
(char *)kmem_malloc(kernel_arena, PAGE_SIZE, M_WAITOK | M_ZERO);
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