diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/namespace/nsinit.c | 9 | ||||
| -rw-r--r-- | drivers/kvm/vmx.c | 12 |
2 files changed, 15 insertions, 6 deletions
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c index 326af8fc0ce7..33db2241044e 100644 --- a/drivers/acpi/namespace/nsinit.c +++ b/drivers/acpi/namespace/nsinit.c @@ -45,6 +45,7 @@ #include <acpi/acnamesp.h> #include <acpi/acdispat.h> #include <acpi/acinterp.h> +#include <linux/nmi.h> #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nsinit") @@ -534,7 +535,15 @@ acpi_ns_init_one_device(acpi_handle obj_handle, info->parameter_type = ACPI_PARAM_ARGS; info->flags = ACPI_IGNORE_RETURN_VALUE; + /* + * Some hardware relies on this being executed as atomically + * as possible (without an NMI being received in the middle of + * this) - so disable NMIs and initialize the device: + */ + acpi_nmi_disable(); status = acpi_ns_evaluate(info); + acpi_nmi_enable(); + if (ACPI_SUCCESS(status)) { walk_info->num_INI++; diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 1e640b899175..fd4e91734388 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -1879,12 +1879,6 @@ again: asm ("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS)); - /* - * Profile KVM exit RIPs: - */ - if (unlikely(prof_on == KVM_PROFILING)) - profile_hit(KVM_PROFILING, (void *)vmcs_readl(GUEST_RIP)); - kvm_run->exit_type = 0; if (fail) { kvm_run->exit_type = KVM_EXIT_TYPE_FAIL_ENTRY; @@ -1907,6 +1901,12 @@ again: reload_tss(); } + /* + * Profile KVM exit RIPs: + */ + if (unlikely(prof_on == KVM_PROFILING)) + profile_hit(KVM_PROFILING, (void *)vmcs_readl(GUEST_RIP)); + vcpu->launched = 1; kvm_run->exit_type = KVM_EXIT_TYPE_VM_EXIT; r = kvm_handle_exit(kvm_run, vcpu); |