We currently get following compilation warning:
arch/arm64/kvm/guest.c: In function 'set_sve_vls':
arch/arm64/kvm/guest.c:262:18: warning: passing argument 1 of 'vq_present' from
incompatible pointer type
arch/arm64/kvm/guest.c:212:13: note: expected 'const u64 (* const)[8]' but
argument is of t
On Sun, 26 May 2019 18:09:40 +0200
Eric Auger wrote:
> From: Jacob Pan
>
> When an IO page request is processed outside IOMMU subsystem, response
> can be delayed or lost. Add a tunable setup parameter such that user can
> choose the timeout for IOMMU to track pending page requests.
>
> This t
On Sun, 26 May 2019 18:09:57 +0200
Eric Auger wrote:
> From: "Liu, Yi L"
>
> This patch adds VFIO_IOMMU_ATTACH/DETACH_PASID_TABLE ioctl
> which aims to pass/withdraw the virtual iommu guest configuration
> to/from the VFIO driver downto to the iommu subsystem.
>
> Signed-off-by: Jacob Pan
> S
On Sun, 26 May 2019 18:10:00 +0200
Eric Auger wrote:
> This patch adds two new regions aiming to handle nested mode
> translation faults.
>
> The first region (two host kernel pages) is read-only from the
> user-space perspective. The first page contains an header
> that provides information abo
On Sun, 26 May 2019 18:09:59 +0200
Eric Auger wrote:
> This patch adds the VFIO_IOMMU_BIND/UNBIND_MSI ioctl which aim
> to pass/withdraw the guest MSI binding to/from the host.
>
> Signed-off-by: Eric Auger
>
> ---
> v6 -> v7:
> - removed the dev arg
>
> v3 -> v4:
> - add UNBIND
> - unwind on
On Sun, 26 May 2019 18:10:01 +0200
Eric Auger wrote:
> This patch registers a fault handler which records faults in
> a circular buffer and then signals an eventfd. This buffer is
> exposed within the fault region.
>
> Signed-off-by: Eric Auger
>
> ---
>
> v3 -> v4:
> - move iommu_unregister_
On Sun, 26 May 2019 18:09:39 +0200
Eric Auger wrote:
> From: Jean-Philippe Brucker
>
> Some IOMMU hardware features, for example PCI's PRI and Arm SMMU's Stall,
> enable recoverable I/O page faults. Allow IOMMU drivers to report PRI Page
> Requests and Stall events through the new fault reporti
On Sun, 26 May 2019 18:10:03 +0200
Eric Auger wrote:
> Add a new VFIO_PCI_DMA_FAULT_IRQ_INDEX index. This allows to
> set/unset an eventfd that will be triggered when DMA translation
> faults are detected at physical level when the nested mode is used.
>
> Signed-off-by: Eric Auger
> ---
> dri
On Mon, Jun 03, 2019 at 05:25:34PM +0100, Catalin Marinas wrote:
> On Tue, May 21, 2019 at 06:21:39PM +0100, Julien Grall wrote:
> > Since a softirq is supposed to check may_use_simd() anyway before
> > attempting to use FPSIMD/SVE, there is limited reason to keep softirq
> > disabled when touching
Since commit d26c25a9d19b ("arm64: KVM: Tighten guest core register
access from userspace"), KVM_{GET,SET}_ONE_REG rejects register IDs
that do not correspond to a single underlying architectural register.
KVM_GET_REG_LIST was not changed to match however: instead, it
simply yields a list of 32-bi
On Tue, May 21, 2019 at 06:21:39PM +0100, Julien Grall wrote:
> Since a softirq is supposed to check may_use_simd() anyway before
> attempting to use FPSIMD/SVE, there is limited reason to keep softirq
> disabled when touching the FPSIMD/SVE context. Instead, we can simply
> disable preemption and
On Mon, Jun 03, 2019 at 03:03:48PM +0100, Andre Przywara wrote:
> On Mon, 3 Jun 2019 12:23:03 +0100
> Dave Martin wrote:
>
> Hi Dave,
>
> > On Fri, May 31, 2019 at 06:04:16PM +0100, Andre Przywara wrote:
> > > On Thu, 30 May 2019 16:13:10 +0100
> > > Dave Martin wrote:
> > >
> > > > From: Am
On Mon, Jun 03, 2019 at 03:07:06PM +0100, Will Deacon wrote:
> On Mon, Jun 03, 2019 at 12:23:03PM +0100, Dave Martin wrote:
> > On Fri, May 31, 2019 at 06:04:16PM +0100, Andre Przywara wrote:
> > > On Thu, 30 May 2019 16:13:10 +0100
> > > Dave Martin wrote:
> > >
> > > > From: Amit Daniel Kachhap
On Mon, Jun 03, 2019 at 12:23:03PM +0100, Dave Martin wrote:
> On Fri, May 31, 2019 at 06:04:16PM +0100, Andre Przywara wrote:
> > On Thu, 30 May 2019 16:13:10 +0100
> > Dave Martin wrote:
> >
> > > From: Amit Daniel Kachhap
> > >
> > > This patch adds a runtime capabality for KVM tool to enabl
On Mon, 3 Jun 2019 12:23:03 +0100
Dave Martin wrote:
Hi Dave,
> On Fri, May 31, 2019 at 06:04:16PM +0100, Andre Przywara wrote:
> > On Thu, 30 May 2019 16:13:10 +0100
> > Dave Martin wrote:
> >
> > > From: Amit Daniel Kachhap
> > >
> > > This patch adds a runtime capabality for KVM tool to
@Peter, do you have an opinion on this (below) ?
On Thu, May 30, 2019 at 04:13:10PM +0100, Dave Martin wrote:
> From: Amit Daniel Kachhap
>
> This patch adds a runtime capabality for KVM tool to enable Arm64 8.3
> Pointer Authentication in guest kernel. Two vcpu features
> KVM_ARM_VCPU_PTRAUTH_[
On Wed, May 29, 2019 at 12:03:11PM +0200, Christoffer Dall wrote:
> On Wed, May 29, 2019 at 10:13:21AM +0100, Marc Zyngier wrote:
> > On 29/05/2019 10:08, Christoffer Dall wrote:
> > > On Tue, May 28, 2019 at 05:08:53PM +0100, Marc Zyngier wrote:
> > >> On 28/05/2019 14:40, Andrew Jones wrote:
> >
On Fri, May 31, 2019 at 06:04:16PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:10 +0100
> Dave Martin wrote:
>
> > From: Amit Daniel Kachhap
> >
> > This patch adds a runtime capabality for KVM tool to enable Arm64 8.3
> > Pointer Authentication in guest kernel. Two vcpu features
>
On Fri, May 31, 2019 at 06:13:31PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:13 +0100
> Dave Martin wrote:
>
> > This patch adds --enable-sve/--disable-sve command line options to
> > allow the user to control whether the Scalable Vector Extension is
> > made available to the guest
On Fri, May 31, 2019 at 06:05:01PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:12 +0100
> Dave Martin wrote:
>
> > To help the user understand what is going on, amend ptrauth
> > configuration diagnostic messages to refer to command line options
> > by the exact name used on the comm
On Fri, May 31, 2019 at 06:03:19PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:09 +0100
> Dave Martin wrote:
>
> > Subject: [PATCH kvmtool v3 4/9] update_headers: Sync kvm UAPI headers with
> > linux v5.1-rc1
>
> This is actually v5.2-rc1, isn't it?
Doh. Yes. Amended.
> Apart f
On Fri, May 31, 2019 at 06:04:36PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:11 +0100
> Dave Martin wrote:
>
> > In the interest of readability, factor out the vcpu feature setup
> > for ptrauth into a separate function.
> >
> > Also, because aarch32 doesn't have this feature or t
On Fri, May 31, 2019 at 06:03:40PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:08 +0100
> Dave Martin wrote:
>
> > The SVE KVM support for arm64 includes the additional backend
> > header from .
> >
> > So update this header if it is available.
> >
> > To avoid creating a sudden d
On Fri, May 31, 2019 at 06:03:10PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:07 +0100
> Dave Martin wrote:
>
> > If in intermediate step fails, update_headers.sh blindly continues
> > and may return success status.
> >
> > To avoid errors going unnoticed when driving this script,
On Fri, May 31, 2019 at 06:02:53PM +0100, Andre Przywara wrote:
> On Thu, 30 May 2019 16:13:06 +0100
> Dave Martin wrote:
>
> > update_headers.sh can break if the current working directory has a
> > funny name or if something odd is passed for LINUX_ROOT.
>
> Do you actually have spaces in your
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