[PATCH 2/4] xen: Drop CONFIG_XEN_PVHVM

[Juergen Gross <jgross@suse.com>]

On x86 CONFIG_XEN_PVHVM is now a synonym of CONFIG_XEN.

In Xen specific x86 code it can be just dropped, in non-Xen specific
x86 code it can be replaced with CONFIG_XEN.

In architecture independent code it is used only where CONFIG_XEN is
defined, so it can be replaced with CONFIG_X86 there.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 arch/x86/include/asm/idtentry.h   |  2 +-
 arch/x86/kernel/cpu/hypervisor.c  |  2 +-
 arch/x86/xen/Kconfig              | 10 +++-------
 arch/x86/xen/Makefile             |  9 ++++-----
 arch/x86/xen/time.c               |  2 --
 arch/x86/xen/xen-ops.h            |  4 ----
 drivers/xen/Kconfig               |  2 +-
 drivers/xen/events/events_base.c  |  7 -------
 drivers/xen/xenbus/xenbus_probe.c |  2 +-
 include/xen/platform_pci.h        |  6 +++---
 10 files changed, 14 insertions(+), 32 deletions(-)

diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h
index 20f548702404..f400cfac69a6 100644
--- a/arch/x86/include/asm/idtentry.h
+++ b/arch/x86/include/asm/idtentry.h
@@ -745,7 +745,7 @@ DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR,		sysvec_hyperv_stimer0);
 DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR,	sysvec_acrn_hv_callback);
 #endif
 
-#ifdef CONFIG_XEN_PVHVM
+#ifdef CONFIG_XEN
 DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR,	sysvec_xen_hvm_callback);
 #endif
 
diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c
index f3e9219845e8..73428afca796 100644
--- a/arch/x86/kernel/cpu/hypervisor.c
+++ b/arch/x86/kernel/cpu/hypervisor.c
@@ -31,7 +31,7 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] =
 #ifdef CONFIG_XEN_PV
 	&x86_hyper_xen_pv,
 #endif
-#ifdef CONFIG_XEN_PVHVM
+#ifdef CONFIG_XEN
 	&x86_hyper_xen_hvm,
 #endif
 	&x86_hyper_vmware,
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index bb420a4cb75f..9e5bb51eecf4 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -50,24 +50,20 @@ config XEN_PV_DOM0
 	def_bool y
 	depends on XEN_PV && XEN_DOM0
 
-config XEN_PVHVM
-	def_bool y
-	depends on XEN
-
 config XEN_PVHVM_SMP
 	def_bool y
-	depends on XEN_PVHVM && SMP
+	depends on XEN && SMP
 
 config XEN_PVHVM_GUEST
 	bool "Xen PVHVM guest support"
 	default y
-	depends on XEN_PVHVM && PCI
+	depends on XEN && PCI
 	help
 	  Support running as a Xen PVHVM guest.
 
 config XEN_PVH
 	bool "Xen PVH guest support"
-	depends on XEN && XEN_PVHVM && ACPI
+	depends on XEN && ACPI
 	select PVH
 	help
 	  Support for running as a Xen PVH guest.
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index 717264ae269b..32d651aa9bc2 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -16,11 +16,10 @@ obj-y				+= mmu.o
 obj-y				+= time.o
 obj-y				+= grant-table.o
 obj-y				+= suspend.o
-
-obj-$(CONFIG_XEN_PVHVM)		+= enlighten_hvm.o
-obj-$(CONFIG_XEN_PVHVM)		+= mmu_hvm.o
-obj-$(CONFIG_XEN_PVHVM)		+= suspend_hvm.o
-obj-$(CONFIG_XEN_PVHVM)		+= platform-pci-unplug.o
+obj-y				+= enlighten_hvm.o
+obj-y				+= mmu_hvm.o
+obj-y				+= suspend_hvm.o
+obj-y				+= platform-pci-unplug.o
 
 obj-$(CONFIG_XEN_PV)		+= setup.o
 obj-$(CONFIG_XEN_PV)		+= apic.o
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index d62c14334b35..5c7822254a01 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -586,7 +586,6 @@ void __init xen_init_time_ops(void)
 		x86_platform.set_wallclock = xen_set_wallclock;
 }
 
-#ifdef CONFIG_XEN_PVHVM
 static void xen_hvm_setup_cpu_clockevents(void)
 {
 	int cpu = smp_processor_id();
@@ -643,7 +642,6 @@ void __init xen_hvm_init_time_ops(void)
 
 	hvm_time_initialized = true;
 }
-#endif
 
 /* Kernel parameter to specify Xen timer slop */
 static int __init parse_xen_timer_slop(char *ptr)
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index dc265bdda24d..47eebbb3684a 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -236,11 +236,7 @@ void xen_pin_vcpu(int cpu);
 
 void xen_emergency_restart(void);
 
-#ifdef CONFIG_XEN_PVHVM
 void xen_hvm_post_suspend(int suspend_cancelled);
-#else
-static inline void xen_hvm_post_suspend(int suspend_cancelled) {}
-#endif
 
 /*
  * The maximum amount of extra memory compared to the base size.  The
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index f9a35ed266ec..cfb517cd77dc 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -311,7 +311,7 @@ config XEN_EFI
 
 config XEN_AUTO_XLATE
 	def_bool y
-	depends on ARM || ARM64 || XEN_PVHVM
+	depends on ARM || ARM64 || X86
 	help
 	  Support for auto-translated physmap guests.
 
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 6ea945508a89..fd16d652c81f 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -2180,7 +2180,6 @@ static struct irq_chip xen_percpu_chip __read_mostly = {
 };
 
 #ifdef CONFIG_X86
-#ifdef CONFIG_XEN_PVHVM
 /* Vector callbacks are better than PCI interrupts to receive event
  * channel notifications because we can receive vector callbacks on any
  * vcpu and we don't need PCI support or APIC interactions. */
@@ -2242,12 +2241,6 @@ static __init void xen_alloc_callback_vector(void)
 	pr_info("Xen HVM callback vector for event delivery is enabled\n");
 	sysvec_install(HYPERVISOR_CALLBACK_VECTOR, sysvec_xen_hvm_callback);
 }
-#else
-void xen_setup_callback_vector(void) {}
-static inline void xen_init_setup_upcall_vector(void) {}
-int xen_set_upcall_vector(unsigned int cpu) {}
-static inline void xen_alloc_callback_vector(void) {}
-#endif /* CONFIG_XEN_PVHVM */
 #endif /* CONFIG_X86 */
 
 bool xen_fifo_events = true;
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index fafb2b84fa5c..082b8c1fee8e 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -831,7 +831,7 @@ static void xenbus_probe(void)
  */
 static bool xs_hvm_defer_init_for_callback(void)
 {
-#ifdef CONFIG_XEN_PVHVM
+#ifdef CONFIG_X86
 	return xen_store_domain_type == XS_HVM &&
 		!xen_have_vector_callback;
 #else
diff --git a/include/xen/platform_pci.h b/include/xen/platform_pci.h
index e51e7cb71a85..267040c1f504 100644
--- a/include/xen/platform_pci.h
+++ b/include/xen/platform_pci.h
@@ -30,7 +30,7 @@
 static inline int xen_must_unplug_nics(void) {
 #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \
 		defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \
-		defined(CONFIG_XEN_PVHVM)
+		defined(CONFIG_X86)
         return 1;
 #else
         return 0;
@@ -40,14 +40,14 @@ static inline int xen_must_unplug_nics(void) {
 static inline int xen_must_unplug_disks(void) {
 #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \
 		defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \
-		defined(CONFIG_XEN_PVHVM)
+		defined(CONFIG_X86)
         return 1;
 #else
         return 0;
 #endif
 }
 
-#if defined(CONFIG_XEN_PVHVM)
+#if defined(CONFIG_X86)
 extern bool xen_has_pv_devices(void);
 extern bool xen_has_pv_disk_devices(void);
 extern bool xen_has_pv_nic_devices(void);
-- 
2.55.0