From d4cb11340be6a1613d40d2b546cb111ea2547066 Mon Sep 17 00:00:00 2001 From: Dominik Dingel Date: Wed, 29 Jan 2014 16:02:32 +0100 Subject: KVM: s390: Clear storage keys page_table_reset_pgste() already does a complete page table walk to reset the pgste. Enhance it to initialize the storage keys to PAGE_DEFAULT_KEY if requested by the caller. This will be used for lazy storage key handling. Also provide an empty stub for !CONFIG_PGSTE Lets adopt the current code (diag 308) to not clear the keys. Signed-off-by: Dominik Dingel Acked-by: Martin Schwidefsky Signed-off-by: Christian Borntraeger --- arch/s390/kvm/diag.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/s390/kvm/diag.c') diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 08dfc839a6cf..44dcfa8860b5 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -169,15 +169,15 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu) switch (subcode) { case 0: case 1: - page_table_reset_pgste(current->mm, 0, TASK_SIZE); + page_table_reset_pgste(current->mm, 0, TASK_SIZE, false); return -EOPNOTSUPP; case 3: vcpu->run->s390_reset_flags = KVM_S390_RESET_CLEAR; - page_table_reset_pgste(current->mm, 0, TASK_SIZE); + page_table_reset_pgste(current->mm, 0, TASK_SIZE, false); break; case 4: vcpu->run->s390_reset_flags = 0; - page_table_reset_pgste(current->mm, 0, TASK_SIZE); + page_table_reset_pgste(current->mm, 0, TASK_SIZE, false); break; default: return -EOPNOTSUPP; -- cgit v1.2.3