Merge tag 'for-linus-4.19b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes and cleanups from Juergen Gross:
 "Some cleanups, some minor fixes and a fix for a bug introduced in this
  merge window hitting 32-bit PV guests"

* tag 'for-linus-4.19b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/xen: enable early use of set_fixmap in 32-bit Xen PV guest
  xen: remove unused hypercall functions
  x86/xen: remove unused function xen_auto_xlated_memory_setup()
  xen/ACPI: don't upload Px/Cx data for disabled processors
  x86/Xen: further refine add_preferred_console() invocations
  xen/mcelog: eliminate redundant setting of interface version
  x86/Xen: mark xen_setup_gdt() __init

drivers/xen/mcelog.c

@@ -288,7 +288,6 @@ static int mc_queue_handle(uint32_t flags)
 	int ret = 0;
 
 	mc_op.cmd = XEN_MC_fetch;
-	mc_op.interface_version = XEN_MCA_INTERFACE_VERSION;
 	set_xen_guest_handle(mc_op.u.mc_fetch.data, &g_mi);
 	do {
 		mc_op.u.mc_fetch.flags = flags;
@@ -358,7 +357,6 @@ static int bind_virq_for_mce(void)
 
 	/* Fetch physical CPU Numbers */
 	mc_op.cmd = XEN_MC_physcpuinfo;
-	mc_op.interface_version = XEN_MCA_INTERFACE_VERSION;
 	set_xen_guest_handle(mc_op.u.mc_physcpuinfo.info, g_physinfo);
 	ret = HYPERVISOR_mca(&mc_op);
 	if (ret) {

drivers/xen/xen-acpi-processor.c

@@ -362,6 +362,12 @@ read_acpi_id(acpi_handle handle, u32 lvl, void *context, void **rv)
 	default:
 		return AE_OK;
 	}
+	if (invalid_phys_cpuid(acpi_get_phys_id(handle,
+						acpi_type == ACPI_TYPE_DEVICE,
+						acpi_id))) {
+		pr_debug("CPU with ACPI ID %u is unavailable\n", acpi_id);
+		return AE_OK;
+	}
 	/* There are more ACPI Processor objects than in x2APIC or MADT.
 	 * This can happen with incorrect ACPI SSDT declerations. */
 	if (acpi_id >= nr_acpi_bits) {