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Commit 511c6681 authored by Mihai Caraman's avatar Mihai Caraman Committed by Alexander Graf
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KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute 



The patch 08c9a188
  	kvm: powerpc: use caching attributes as per linux pte
do not handle properly the error case, letting mmu_lock locked. The lock
will further generate a RCU stall from kvmppc_e500_emul_tlbwe() caller.

In case of an error go to out label.

Signed-off-by: default avatarMihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 5c02c392

arch/powerpc/kvm/e500_mmu_host.c

+2 −1
Original line number Diff line number Diff line
@@ -473,7 +473,8 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, 
		if (printk_ratelimit())

			pr_err("%s: pte not present: gfn %lx, pfn %lx\n",

				__func__, (long)gfn, pfn);

		return -EINVAL;

		ret = -EINVAL;

		goto out;

	}

	kvmppc_e500_ref_setup(ref, gtlbe, pfn, wimg);