Merge tag 'for-linus-6.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - fix the migration of a Xen virq to another cpu plus some related
   cleanup work

 - clean up Xen-PV mode specific code, resulting in removing some of
   that code in the resulting binary in case CONFIG_XEN_PV is not set

 - fixes and cleanup for suspend handling under Xen

* tag 'for-linus-6.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: take system_transition_mutex on suspend
  xen/manage: Fix suspend error path
  xen/events: Update virq_to_irq on migration
  xen/events: Return -EEXIST for bound VIRQs
  xen/events: Cleanup find_virq() return codes
  x86/xen: select HIBERNATE_CALLBACKS more directly
  drivers/xen/gntdev: use xen_pv_domain() instead of cached value
  xen: replace XENFEAT_auto_translated_physmap with xen_pv_domain()
  xen: rework xen_pv_domain()

4 files changed, 16 insertions, 8 deletions

diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index e279be353e3f..69ac6d80a006 100644
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -164,7 +164,7 @@ gnttab_set_map_op(struct gnttab_map_grant_ref *map, phys_addr_t addr,
 {
 	if (flags & GNTMAP_contains_pte)
 		map->host_addr = addr;
-	else if (xen_feature(XENFEAT_auto_translated_physmap))
+	else if (!xen_pv_domain())
 		map->host_addr = __pa(addr);
 	else
 		map->host_addr = addr;
@@ -181,7 +181,7 @@ gnttab_set_unmap_op(struct gnttab_unmap_grant_ref *unmap, phys_addr_t addr,
 {
 	if (flags & GNTMAP_contains_pte)
 		unmap->host_addr = addr;
-	else if (xen_feature(XENFEAT_auto_translated_physmap))
+	else if (!xen_pv_domain())
 		unmap->host_addr = __pa(addr);
 	else
 		unmap->host_addr = addr;
diff --git a/include/xen/mem-reservation.h b/include/xen/mem-reservation.h
index a2ab516fcd2c..3cbe3df0dfd4 100644
--- a/include/xen/mem-reservation.h
+++ b/include/xen/mem-reservation.h
@@ -39,7 +39,7 @@ static inline void xenmem_reservation_va_mapping_update(unsigned long count,
 							xen_pfn_t *frames)
 {
 #ifdef CONFIG_XEN_HAVE_PVMMU
-	if (!xen_feature(XENFEAT_auto_translated_physmap))
+	if (xen_pv_domain())
 		__xenmem_reservation_va_mapping_update(count, pages, frames);
 #endif
 }
@@ -48,7 +48,7 @@ static inline void xenmem_reservation_va_mapping_reset(unsigned long count,
 						       struct page **pages)
 {
 #ifdef CONFIG_XEN_HAVE_PVMMU
-	if (!xen_feature(XENFEAT_auto_translated_physmap))
+	if (xen_pv_domain())
 		__xenmem_reservation_va_mapping_reset(count, pages);
 #endif
 }
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 9e2a769b0d96..496e6013c689 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -6,6 +6,7 @@
 #include <linux/notifier.h>
 #include <linux/efi.h>
 #include <linux/virtio_anchor.h>
+#include <xen/xen.h>
 #include <xen/features.h>
 #include <asm/xen/interface.h>
 #include <xen/interface/vcpu.h>
@@ -116,7 +117,7 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma,
 					     unsigned int domid,
 					     struct page **pages)
 {
-	if (xen_feature(XENFEAT_auto_translated_physmap))
+	if (!xen_pv_domain())
 		return xen_xlate_remap_gfn_array(vma, addr, gfn, nr, err_ptr,
 						 prot, domid, pages);
 
@@ -150,7 +151,7 @@ static inline int xen_remap_domain_mfn_array(struct vm_area_struct *vma,
 					     int nr, int *err_ptr,
 					     pgprot_t prot, unsigned int domid)
 {
-	if (xen_feature(XENFEAT_auto_translated_physmap))
+	if (!xen_pv_domain())
 		return -EOPNOTSUPP;
 
 	return xen_remap_pfn(vma, addr, mfn, nr, err_ptr, prot, domid,
@@ -175,7 +176,7 @@ static inline int xen_remap_domain_gfn_range(struct vm_area_struct *vma,
 					     pgprot_t prot, unsigned int domid,
 					     struct page **pages)
 {
-	if (xen_feature(XENFEAT_auto_translated_physmap))
+	if (!xen_pv_domain())
 		return -EOPNOTSUPP;
 
 	return xen_remap_pfn(vma, addr, &gfn, nr, NULL, prot, domid, false);
diff --git a/include/xen/xen.h b/include/xen/xen.h
index a1e5b3f18d69..61854e3f2837 100644
--- a/include/xen/xen.h
+++ b/include/xen/xen.h
@@ -22,8 +22,15 @@ extern bool xen_pvh;
 #define xen_pvh			0
 #endif
 
+#ifdef CONFIG_X86
+#include <asm/cpufeature.h>
+
+#define xen_pv_domain()		(cpu_feature_enabled(X86_FEATURE_XENPV))
+#else
+#define xen_pv_domain()		0
+#endif
+
 #define xen_domain()		(xen_domain_type != XEN_NATIVE)
-#define xen_pv_domain()		(xen_domain_type == XEN_PV_DOMAIN)
 #define xen_hvm_domain()	(xen_domain_type == XEN_HVM_DOMAIN)
 #define xen_pvh_domain()	(xen_pvh)