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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v2 09/18] x86/traps: move {un, }register_guest_nmi_callback
No functional change.
Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
xen/arch/x86/pv/traps.c | 37 +++++++++++++++++++++++++++++++++++++
xen/arch/x86/traps.c | 36 ------------------------------------
2 files changed, 37 insertions(+), 36 deletions(-)
diff --git a/xen/arch/x86/pv/traps.c b/xen/arch/x86/pv/traps.c
index e96123c71f..54d77922c5 100644
--- a/xen/arch/x86/pv/traps.c
+++ b/xen/arch/x86/pv/traps.c
@@ -28,6 +28,7 @@
#include <asm/apic.h>
#include <asm/debugreg.h>
+#include <asm/nmi.h>
#include <asm/shared.h>
#include <asm/traps.h>
@@ -218,6 +219,42 @@ int set_guest_nmi_trapbounce(void)
return !null_trap_bounce(v, tb);
}
+long register_guest_nmi_callback(unsigned long address)
+{
+ struct vcpu *v = current;
+ struct domain *d = v->domain;
+ struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
+
+ if ( !is_canonical_address(address) )
+ return -EINVAL;
+
+ t->vector = TRAP_nmi;
+ t->flags = 0;
+ t->cs = (is_pv_32bit_domain(d) ?
+ FLAT_COMPAT_KERNEL_CS : FLAT_KERNEL_CS);
+ t->address = address;
+ TI_SET_IF(t, 1);
+
+ /*
+ * If no handler was registered we can 'lose the NMI edge'. Re-assert it
+ * now.
+ */
+ if ( (v->vcpu_id == 0) && (arch_get_nmi_reason(d) != 0) )
+ v->nmi_pending = 1;
+
+ return 0;
+}
+
+long unregister_guest_nmi_callback(void)
+{
+ struct vcpu *v = current;
+ struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
+
+ memset(t, 0, sizeof(*t));
+
+ return 0;
+}
+
/*
* Local variables:
* mode: C
diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index e711810388..24343f46dc 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -1905,42 +1905,6 @@ void __init trap_init(void)
open_softirq(PCI_SERR_SOFTIRQ, pci_serr_softirq);
}
-long register_guest_nmi_callback(unsigned long address)
-{
- struct vcpu *v = current;
- struct domain *d = v->domain;
- struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
-
- if ( !is_canonical_address(address) )
- return -EINVAL;
-
- t->vector = TRAP_nmi;
- t->flags = 0;
- t->cs = (is_pv_32bit_domain(d) ?
- FLAT_COMPAT_KERNEL_CS : FLAT_KERNEL_CS);
- t->address = address;
- TI_SET_IF(t, 1);
-
- /*
- * If no handler was registered we can 'lose the NMI edge'. Re-assert it
- * now.
- */
- if ( (v->vcpu_id == 0) && (arch_get_nmi_reason(d) != 0) )
- v->nmi_pending = 1;
-
- return 0;
-}
-
-long unregister_guest_nmi_callback(void)
-{
- struct vcpu *v = current;
- struct trap_info *t = &v->arch.pv_vcpu.trap_ctxt[TRAP_nmi];
-
- memset(t, 0, sizeof(*t));
-
- return 0;
-}
-
int guest_has_trap_callback(struct domain *d, uint16_t vcpuid, unsigned int
trap_nr)
{
struct vcpu *v;
--
2.11.0
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