Re: [PATCH] KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute

2014-06-24 Thread Alexander Graf
On 18.06.14 17:45, Mihai Caraman wrote: The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f 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()

Re: [PATCH] KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute

2014-06-24 Thread Alexander Graf
On 18.06.14 17:45, Mihai Caraman wrote: The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f 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()

RE: [PATCH] KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute

2014-06-18 Thread bharat.bhus...@freescale.com
: Book3E: Unlock mmu_lock when setting caching atttribute The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f 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

[PATCH] KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute

2014-06-18 Thread Mihai Caraman
The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f 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.

RE: [PATCH] KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute

2014-06-18 Thread bharat.bhus...@freescale.com
: Book3E: Unlock mmu_lock when setting caching atttribute The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f 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

[PATCH] KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute

2014-06-18 Thread Mihai Caraman
The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f 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.