diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/processor_core.c | 1 | ||||
| -rw-r--r-- | drivers/xen/mcelog.c | 2 | ||||
| -rw-r--r-- | drivers/xen/xen-acpi-processor.c | 6 |
3 files changed, 7 insertions, 2 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index b933061b6b60..8c0a54d50d0e 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -205,6 +205,7 @@ phys_cpuid_t acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id) return phys_id; } +EXPORT_SYMBOL_GPL(acpi_get_phys_id); int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id) { diff --git a/drivers/xen/mcelog.c b/drivers/xen/mcelog.c index 262835ace35d..b8bf61abb65b 100644 --- a/drivers/xen/mcelog.c +++ b/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) { diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c index b29f4e40851f..fbb9137c7d02 100644 --- a/drivers/xen/xen-acpi-processor.c +++ b/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) { |