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KVM: s390: improve debug feature usage 

We do not use the exception logger, so the 2nd area is unused.
Just have one area that is bigger (32 pages).
At the same time we can limit the debug feature size to 7
longs, as the largest user has 3 parameters + string + boiler
plate (vCPU, PSW mask, PSW addr)

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Christian Borntraeger 2015-07-20 15:04:48 +02:00
parent f2d2eb9d05
commit 1cb9cf726e
1 changed files with 1 additions and 1 deletions
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2
arch/s390/kvm/kvm-s390.c
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@ -1057,7 +1057,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
sprintf(debug_name, "kvm-%u", current->pid);
kvm->arch.dbf = debug_register(debug_name, 8, 2, 8 * sizeof(long));
kvm->arch.dbf = debug_register(debug_name, 32, 1, 7 * sizeof(long));
if (!kvm->arch.dbf)
goto out_err;