KVM: s390: Add new SIGP order to kernel counters
authorEric Farman <farman@linux.vnet.ibm.com>
Thu, 12 Feb 2015 14:06:34 +0000 (09:06 -0500)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Fri, 6 Mar 2015 12:49:34 +0000 (13:49 +0100)
The new SIGP order Store Additional Status at Address is totally
handled by user space, but we should still record the occurrence
of this order in the kernel code.

Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
arch/s390/include/asm/kvm_host.h
arch/s390/kvm/kvm-s390.c
arch/s390/kvm/sigp.c

index fb1fd39..3fe2597 100644 (file)
@@ -244,6 +244,7 @@ struct kvm_vcpu_stat {
        u32 instruction_sigp_stop;
        u32 instruction_sigp_stop_store_status;
        u32 instruction_sigp_store_status;
+       u32 instruction_sigp_store_adtl_status;
        u32 instruction_sigp_arch;
        u32 instruction_sigp_prefix;
        u32 instruction_sigp_restart;
index a8fe3ab..c0ae03a 100644 (file)
@@ -87,6 +87,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
        { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) },
        { "instruction_sigp_stop_store_status", VCPU_STAT(instruction_sigp_stop_store_status) },
        { "instruction_sigp_store_status", VCPU_STAT(instruction_sigp_store_status) },
+       { "instruction_sigp_store_adtl_status", VCPU_STAT(instruction_sigp_store_adtl_status) },
        { "instruction_sigp_set_arch", VCPU_STAT(instruction_sigp_arch) },
        { "instruction_sigp_set_prefix", VCPU_STAT(instruction_sigp_prefix) },
        { "instruction_sigp_restart", VCPU_STAT(instruction_sigp_restart) },
index 23b1e86..755a733 100644 (file)
@@ -393,6 +393,9 @@ static int handle_sigp_order_in_user_space(struct kvm_vcpu *vcpu, u8 order_code)
        case SIGP_STORE_STATUS_AT_ADDRESS:
                vcpu->stat.instruction_sigp_store_status++;
                break;
+       case SIGP_STORE_ADDITIONAL_STATUS:
+               vcpu->stat.instruction_sigp_store_adtl_status++;
+               break;
        case SIGP_SET_PREFIX:
                vcpu->stat.instruction_sigp_prefix++;
                break;