summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/xen/page.h5
-rw-r--r--arch/arm/xen/enlighten.c6
-rw-r--r--arch/arm64/include/asm/xen/page.h6
-rw-r--r--arch/x86/xen/enlighten_pv.c9
-rw-r--r--arch/x86/xen/mmu_pv.c2
5 files changed, 25 insertions, 3 deletions
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 31bbc803cecb..dc7f6e91aafa 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -1 +1,6 @@
#include <xen/arm/page.h>
+
+static inline bool xen_kernel_unmapped_at_usr(void)
+{
+ return false;
+}
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index a6ab3689b2f4..60e901cd0de6 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -158,7 +158,8 @@ static int xen_starting_cpu(unsigned int cpu)
BUG_ON(err);
per_cpu(xen_vcpu, cpu) = vcpup;
- xen_setup_runstate_info(cpu);
+ if (!xen_kernel_unmapped_at_usr())
+ xen_setup_runstate_info(cpu);
after_register_vcpu_info:
enable_percpu_irq(xen_events_irq, 0);
@@ -387,7 +388,8 @@ static int __init xen_guest_init(void)
return -EINVAL;
}
- xen_time_setup_guest();
+ if (!xen_kernel_unmapped_at_usr())
+ xen_time_setup_guest();
if (xen_initial_domain())
pvclock_gtod_register_notifier(&xen_pvclock_gtod_notifier);
diff --git a/arch/arm64/include/asm/xen/page.h b/arch/arm64/include/asm/xen/page.h
index 31bbc803cecb..dffdc773221b 100644
--- a/arch/arm64/include/asm/xen/page.h
+++ b/arch/arm64/include/asm/xen/page.h
@@ -1 +1,7 @@
#include <xen/arm/page.h>
+#include <asm/mmu.h>
+
+static inline bool xen_kernel_unmapped_at_usr(void)
+{
+ return arm64_kernel_unmapped_at_el0();
+}
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 41e54997d830..4409306364dc 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1370,6 +1370,15 @@ asmlinkage __visible void __init xen_start_kernel(void)
x86_init.mpparse.get_smp_config = x86_init_uint_noop;
xen_boot_params_init_edd();
+
+#ifdef CONFIG_ACPI
+ /*
+ * Disable selecting "Firmware First mode" for correctable
+ * memory errors, as this is the duty of the hypervisor to
+ * decide.
+ */
+ acpi_disable_cmcff = 1;
+#endif
}
if (!boot_params.screen_info.orig_video_isVGA)
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index eda78144c000..cf2ade864c30 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -1142,7 +1142,7 @@ static void __init xen_pagetable_p2m_free(void)
* We could be in __ka space.
* We roundup to the PMD, which means that if anybody at this stage is
* using the __ka address of xen_start_info or
- * xen_start_info->shared_info they are in going to crash. Fortunatly
+ * xen_start_info->shared_info they are in going to crash. Fortunately
* we have already revectored in xen_setup_kernel_pagetable.
*/
size = roundup(size, PMD_SIZE);