Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-07 20:51:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

KVM: s390: add more debug data for the pfault diagnoses

Browse Source 
We're not only interested in the address of the control block, but
also in the requested subcommand and for the token subcommand, in the
specified token address and masks.

Suggested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
This commit is contained in:
Christian Borntraeger 2015-07-16 10:24:07 +02:00
parent ed2afcfa13
commit ab7090a611
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/s390/kvm/diag.c
View File

@ -88,6 +88,9 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu)
switch (parm.subcode) {
case 0: /* TOKEN */
VCPU_EVENT(vcpu, 3, "pageref token addr 0x%llx "
"select mask 0x%llx compare mask 0x%llx",
parm.token_addr, parm.select_mask, parm.compare_mask);
if (vcpu->arch.pfault_token != KVM_S390_PFAULT_TOKEN_INVALID) {
/*
* If the pagefault handshake is already activated,
@ -117,6 +120,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu)
* the cancel, therefore to reduce code complexity, we assume
* all outstanding tokens are already pending.
*/
VCPU_EVENT(vcpu, 3, "pageref cancel addr 0x%llx", parm.token_addr);
if (parm.token_addr || parm.select_mask ||
parm.compare_mask || parm.zarch)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);