Hi Marc,
Get it! Thanks for your explanation.
Thanks
Jianyong
> -Original Message-
> From: Marc Zyngier
> Sent: Thursday, July 22, 2021 4:11 PM
> To: Jianyong Wu
> Cc: James Morse ; Andre Przywara
> ; lushenm...@huawei.com;
> k...@vger.kernel.org; kvmarm@lists.cs.columbia.edu; linux-
On Wed, Jul 21, 2021 at 8:28 AM Andrew Jones wrote:
>
> On Fri, Jul 16, 2021 at 09:26:17PM +, Oliver Upton wrote:
> > KVM's current means of saving/restoring system counters is plagued with
> > temporal issues. At least on ARM64 and x86, we migrate the guest's
> > system counter by-value
On Tue, 20 Jul 2021 16:49:45 +0100,
Quentin Perret wrote:
>
> On Tuesday 20 Jul 2021 at 14:15:56 (+0100), Marc Zyngier wrote:
> > On Tue, 20 Jul 2021 12:13:20 +0100,
> > Quentin Perret wrote:
> > >
> > > On Thursday 15 Jul 2021 at 17:31:47 (+0100), Marc Zyngier wrote:
> > > > +struct
Hi Shameer,
On Wed, Jul 21, 2021 at 08:54:00AM +, Shameerali Kolothum Thodi wrote:
> > More generally I think this pinned VMID set conflicts with that of
> > stage-2-only domains (which is the default state until a guest attaches a
> > PASID table). Say you have one guest using DOMAIN_NESTED
Hi Vladimir,
On Thu, Jul 22, 2021 at 04:22:26PM +0100, Vladimir Murzin wrote:
> On 7/22/21 10:50 AM, Will Deacon wrote:
> > As an aside: I'm more and more inclined to rip out the CnP stuff given
> > that it doesn't appear to being any benefits, but does have some clear
> > downsides. Perhaps
On Thu, 22 Jul 2021 14:25:15 +0100,
Andrew Jones wrote:
>
> On Thu, Jul 22, 2021 at 11:00:26AM +0100, Marc Zyngier wrote:
> > On Wed, 21 Jul 2021 22:42:43 +0100,
> > Andrew Jones wrote:
> > >
> > > On Thu, Jul 15, 2021 at 05:31:43PM +0100, Marc Zyngier wrote:
> > > > KVM/arm64 currently
On 7/22/21 10:50 AM, Will Deacon wrote:
> As an aside: I'm more and more inclined to rip out the CnP stuff given
> that it doesn't appear to being any benefits, but does have some clear
> downsides. Perhaps something for next week.
Can you please clarify what do you mean by "it doesn't appear to
On Thu, Jul 22, 2021 at 11:00:26AM +0100, Marc Zyngier wrote:
> On Wed, 21 Jul 2021 22:42:43 +0100,
> Andrew Jones wrote:
> >
> > On Thu, Jul 15, 2021 at 05:31:43PM +0100, Marc Zyngier wrote:
> > > KVM/arm64 currently considers that any memory access outside of a
> > > memslot is a MMIO access.
On Thursday 22 Jul 2021 at 06:45:14 (+), Shameerali Kolothum Thodi wrote:
> > From: Will Deacon [mailto:w...@kernel.org]
> > > diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
> > b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
> > > index 4b60c0056c04..a02c4877a055 100644
> > > ---
On Wed, 21 Jul 2021 22:42:43 +0100,
Andrew Jones wrote:
>
> On Thu, Jul 15, 2021 at 05:31:43PM +0100, Marc Zyngier wrote:
> > KVM/arm64 currently considers that any memory access outside of a
> > memslot is a MMIO access. This so far has served us very well, but
> > obviously relies on the guest
On Thu, Jul 22, 2021 at 06:45:14AM +, Shameerali Kolothum Thodi wrote:
> > > diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c
> > b/arch/arm64/kvm/hyp/nvhe/tlb.c
> > > index 83dc3b271bc5..42df9931ed9a 100644
> > > --- a/arch/arm64/kvm/hyp/nvhe/tlb.c
> > > +++ b/arch/arm64/kvm/hyp/nvhe/tlb.c
> > > @@
From: Like Xu
For "struct perf_guest_info_callbacks", the two fields "is_in_guest"
and "is_user_mode" are replaced with a new multiplexed member named
"state", and the "get_guest_ip" field will be renamed to "get_ip".
For arm64, xen and kvm/x86, the application of DEFINE_STATIC_CALL_RET0
could
On 7/21/2021 7:57 PM, Like Xu wrote:
On 16/7/2021 4:53 pm, Zhu Lingshan wrote:
+ } else if (xenpmu_data->pmu.r.regs.cpl & 3)
oh, my typo, will fix in V9
Thanks
Lingshan, serious for this version ?
arch/x86/xen/pmu.c:438:9: error: expected identifier or ‘(’ before
‘return’
438 |
On 7/21/2021 7:57 PM, Like Xu wrote:
On 16/7/2021 4:53 pm, Zhu Lingshan wrote:
+ } else if (xenpmu_data->pmu.r.regs.cpl & 3)
Lingshan, serious for this version ?
arch/x86/xen/pmu.c:438:9: error: expected identifier or ‘(’ before
‘return’
438 | return state;
|
On Thu, 22 Jul 2021 03:49:52 +0100,
Jianyong Wu wrote:
>
> Hello Marc,
>
> > -Original Message-
> > From: Marc Zyngier
> > Sent: Wednesday, July 21, 2021 5:54 PM
> > To: Jianyong Wu
> > Cc: James Morse ; Andre Przywara
> > ; lushenm...@huawei.com;
> > k...@vger.kernel.org;
> -Original Message-
> From: Will Deacon [mailto:w...@kernel.org]
> Sent: 21 July 2021 17:32
> To: Shameerali Kolothum Thodi
> Cc: linux-arm-ker...@lists.infradead.org; kvmarm@lists.cs.columbia.edu;
> linux-ker...@vger.kernel.org; m...@kernel.org; catalin.mari...@arm.com;
>
> -Original Message-
> From: Will Deacon [mailto:w...@kernel.org]
> Sent: 21 July 2021 17:06
> To: Shameerali Kolothum Thodi
> Cc: linux-arm-ker...@lists.infradead.org; kvmarm@lists.cs.columbia.edu;
> linux-ker...@vger.kernel.org; m...@kernel.org; catalin.mari...@arm.com;
>
> -Original Message-
> From: Will Deacon [mailto:w...@kernel.org]
> Sent: 21 July 2021 16:23
> To: Shameerali Kolothum Thodi
> Cc: linux-arm-ker...@lists.infradead.org; kvmarm@lists.cs.columbia.edu;
> linux-ker...@vger.kernel.org; m...@kernel.org; catalin.mari...@arm.com;
>
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