Re: [PATCH v4] ppc/spapr: Implement H_RANDOM hypercall in QEMU

2015-09-21 Thread Thomas Huth
On 21/09/15 04:10, David Gibson wrote: > On Fri, Sep 18, 2015 at 11:05:52AM +0200, Greg Kurz wrote: >> On Thu, 17 Sep 2015 10:49:41 +0200 >> Thomas Huth wrote: >> >>> The PAPR interface defines a hypercall to pass high-quality >>> hardware generated random numbers to guests.

Re: [PATCH v4] ppc/spapr: Implement H_RANDOM hypercall in QEMU

2015-09-21 Thread Greg Kurz
On Mon, 21 Sep 2015 12:10:00 +1000 David Gibson wrote: > On Fri, Sep 18, 2015 at 11:05:52AM +0200, Greg Kurz wrote: > > On Thu, 17 Sep 2015 10:49:41 +0200 > > Thomas Huth wrote: > > > > > The PAPR interface defines a hypercall to pass high-quality

Re: [PATCH] KVM: PPC: Take the kvm->srcu lock in kvmppc_h_logical_ci_load/store()

2015-09-21 Thread Thomas Huth
On 21/09/15 03:37, David Gibson wrote: > On Fri, Sep 18, 2015 at 08:57:28AM +0200, Thomas Huth wrote: >> Access to the kvm->buses (like with the kvm_io_bus_read() and -write() >> functions) has to be protected via the kvm->srcu lock. >> The kvmppc_h_logical_ci_load() and -store() functions are

Re: [PATCH] KVM: PPC: Take the kvm->srcu lock in kvmppc_h_logical_ci_load/store()

2015-09-21 Thread Paul Mackerras
On Mon, Sep 21, 2015 at 07:50:22AM +0200, Paolo Bonzini wrote: > > > On 21/09/2015 03:37, David Gibson wrote: > > On Fri, Sep 18, 2015 at 08:57:28AM +0200, Thomas Huth wrote: > >> Access to the kvm->buses (like with the kvm_io_bus_read() and > >> -write() functions) has to be protected via the

Re: [Qemu-devel] [PATCH v4] ppc/spapr: Implement H_RANDOM hypercall in QEMU

2015-09-21 Thread David Gibson
On Mon, Sep 21, 2015 at 10:37:28AM +0200, Greg Kurz wrote: > On Mon, 21 Sep 2015 10:26:52 +0200 > Thomas Huth wrote: > > > On 21/09/15 10:01, Greg Kurz wrote: > > > On Mon, 21 Sep 2015 12:10:00 +1000 > > > David Gibson wrote: > > > > > >> On Fri,

Re: [PATCH 0/2] VFIO: Accept IOMMU group (PE) ID

2015-09-21 Thread Gavin Shan
On Mon, Sep 21, 2015 at 11:42:28AM +1000, David Gibson wrote: >On Sat, Sep 19, 2015 at 04:22:47PM +1000, David Gibson wrote: >> On Fri, Sep 18, 2015 at 09:47:32AM -0600, Alex Williamson wrote: >> > On Fri, 2015-09-18 at 16:24 +1000, Gavin Shan wrote: >> > > This allows to accept IOMMU group (PE)

Re: [Qemu-devel] [PATCH v4] ppc/spapr: Implement H_RANDOM hypercall in QEMU

2015-09-21 Thread Eric Blake
On 09/21/2015 12:00 AM, Thomas Huth wrote: >>> This being said, I am not sure about the use case where a user has a hwrng >>> capable platform and wants to run guests without any hwrng support at all is >>> an appropriate default behavior... I guess we will find more users that want >>> in-kernel

Re: [PATCH 0/2] VFIO: Accept IOMMU group (PE) ID

2015-09-21 Thread Alex Williamson
On Mon, 2015-09-21 at 22:11 +1000, Gavin Shan wrote: > On Mon, Sep 21, 2015 at 11:42:28AM +1000, David Gibson wrote: > >On Sat, Sep 19, 2015 at 04:22:47PM +1000, David Gibson wrote: > >> On Fri, Sep 18, 2015 at 09:47:32AM -0600, Alex Williamson wrote: > >> > On Fri, 2015-09-18 at 16:24 +1000,

Re: [Qemu-devel] [PATCH v4] ppc/spapr: Implement H_RANDOM hypercall in QEMU

2015-09-21 Thread Thomas Huth
On 21/09/15 10:01, Greg Kurz wrote: > On Mon, 21 Sep 2015 12:10:00 +1000 > David Gibson wrote: > >> On Fri, Sep 18, 2015 at 11:05:52AM +0200, Greg Kurz wrote: >>> On Thu, 17 Sep 2015 10:49:41 +0200 >>> Thomas Huth wrote: >>> The PAPR interface

Re: [PATCH] KVM: PPC: Take the kvm->srcu lock in kvmppc_h_logical_ci_load/store()

2015-09-21 Thread Paolo Bonzini
On 21/09/2015 09:59, Paul Mackerras wrote: > I was going to send you a > pull request tomorrow, but if you are about to send stuff off to Linus > you could pull now from: > > git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc.git kvm-ppc-fixes Ok, I'll pull from here tomorrow. The