If this is not done, the spl code is called by kmsg_putchar
on APs during printing of bringup debug, causing the only
unnecessary early access of GS.
---
i386/i386/mp_desc.c | 3 ++-
i386/i386at/model_dep.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/i386/i386/mp_desc.c b/i386/i386/mp_desc.c
index 16b1c865..7595eb1e 100644
--- a/i386/i386/mp_desc.c
+++ b/i386/i386/mp_desc.c
@@ -325,7 +325,7 @@ start_other_cpus(void)
unsigned cpu;
- splhigh();
+ asm volatile ("cli");
/* Disable IOAPIC interrupts (IPIs not affected).
* Clearing this flag is similar to masking all
@@ -357,5 +357,6 @@ start_other_cpus(void)
/* Re-enable IOAPIC interrupts as per setup */
lapic_enable();
+ spl_init = 1;
}
#endif /* NCPUS > 1 */
diff --git a/i386/i386at/model_dep.c b/i386/i386at/model_dep.c
index 30449c37..7cbbf70b 100644
--- a/i386/i386at/model_dep.c
+++ b/i386/i386at/model_dep.c
@@ -380,8 +380,9 @@ i386at_init(void)
#else /* MACH_HYP */
hyp_intrinit();
#endif /* MACH_HYP */
+#if NCPUS == 1
spl_init = 1;
-
+#endif
/*
* Read memory map and load it into the physical page allocator.
*/
--
2.45.2
