Re: [RFC PATCH v2 07/10] KVM: PPC: Ultravisor: Restrict LDBAR access

2019-05-30 Thread Claudio Carvalho
On 5/21/19 2:24 AM, Madhavan Srinivasan wrote: > > On 18/05/19 7:55 PM, Claudio Carvalho wrote: >> From: Ram Pai When the ultravisor firmware is >> available, it takes control over the LDBAR register. In this case, >> thread-imc updates and save/restore operations on the LDBAR register are >> ha

Re: [RFC PATCH v2 07/10] KVM: PPC: Ultravisor: Restrict LDBAR access

2019-05-20 Thread Madhavan Srinivasan
On 18/05/19 7:55 PM, Claudio Carvalho wrote: From: Ram Pai When the ultravisor firmware is available, it takes control over the LDBAR register. In this case, thread-imc updates and save/restore operations on the LDBAR register are handled by ultravisor. we should remove the core and thread

Re: [RFC PATCH v2 07/10] KVM: PPC: Ultravisor: Restrict LDBAR access

2019-05-19 Thread Paul Mackerras
On Sat, May 18, 2019 at 11:25:21AM -0300, Claudio Carvalho wrote: > From: Ram Pai > > When the ultravisor firmware is available, it takes control over the > LDBAR register. In this case, thread-imc updates and save/restore > operations on the LDBAR register are handled by ultravisor. > > Signed-

[RFC PATCH v2 07/10] KVM: PPC: Ultravisor: Restrict LDBAR access

2019-05-18 Thread Claudio Carvalho
From: Ram Pai When the ultravisor firmware is available, it takes control over the LDBAR register. In this case, thread-imc updates and save/restore operations on the LDBAR register are handled by ultravisor. Signed-off-by: Ram Pai [Restrict LDBAR access in assembly code and some in C, update t