On Thu, Feb 06, 2020 at 09:41:10PM +, Beata Michalska wrote:
> On Tue, 4 Feb 2020 at 10:34, Andrew Jones wrote:
> >
> > On Wed, Jan 29, 2020 at 08:24:40PM +, Beata Michalska wrote:
> > > KVM_SET_VCPU_EVENTS might actually lead to vcpu registers being modified.
> > > As such this should be
Hi Eric,
On 2020/1/28 18:34, Eric Auger wrote:
Introduce an helper functions to register
- a new device, characterized by its device id and the
max number of event IDs that dimension its ITT (Interrupt
Translation Table). The function allocates the ITT.
- a new collection, characterized
Hi Eric,
On 2020/1/28 18:34, Eric Auger wrote:
its_enable_defaults() is the top init function that allocates the
command queue and all the requested tables (device, collection,
lpi config and pending tables), enable LPIs at distributor level
and ITS level.
gicv3_enable_defaults must be called b
Hi Eric,
On 2020/1/28 18:34, Eric Auger wrote:
Allocate the LPI configuration and per re-distributor pending table.
Set redistributor's PROPBASER and PENDBASER. The LPIs are enabled
by default in the config table.
Also introduce a helper routine that allows to set the pending table
bit for a gi
On Thu, Feb 06, 2020 at 05:30:01PM -0500, Peter Xu wrote:
> On Tue, Jan 21, 2020 at 02:31:57PM -0800, Sean Christopherson wrote:
> > Add a KVM selftest to test moving the base gfn of a userspace memory
> > region. Although the basic concept of moving memory regions is not x86
> > specific, the ass
On Tue, Jan 21, 2020 at 02:31:57PM -0800, Sean Christopherson wrote:
> Add a KVM selftest to test moving the base gfn of a userspace memory
> region. Although the basic concept of moving memory regions is not x86
> specific, the assumptions regarding large pages and MMIO shenanigans
> used to veri
On Tue, Jan 21, 2020 at 02:31:56PM -0800, Sean Christopherson wrote:
> Now that the memslot logic doesn't assume memslots are always non-NULL,
> dynamically size the array of memslots instead of unconditionally
> allocating memory for the maximum number of memslots.
>
> Note, because a to-be-delet
On Tue, Jan 14, 2020 at 10:25:07AM -0800, Sean Christopherson wrote:
> On Tue, Dec 24, 2019 at 01:19:30PM -0500, Peter Xu wrote:
> > On Tue, Dec 17, 2019 at 12:40:38PM -0800, Sean Christopherson wrote:
> > > +int kvm_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log,
> > > + in
On Wed, 5 Feb 2020 at 16:57, Andrew Jones wrote:
>
> On Wed, Jan 29, 2020 at 08:24:41PM +, Beata Michalska wrote:
> > On ARMv7 & ARMv8 some load/store instructions might trigger a data abort
> > exception with no valid ISS info to be decoded. The lack of decode info
> > makes it at least trick
On Tue, 4 Feb 2020 at 10:34, Andrew Jones wrote:
>
> On Wed, Jan 29, 2020 at 08:24:40PM +, Beata Michalska wrote:
> > KVM_SET_VCPU_EVENTS might actually lead to vcpu registers being modified.
> > As such this should be the last step of sync to avoid potential overwriting
> > of whatever change
On Thu, Feb 06, 2020 at 01:21:20PM -0800, Sean Christopherson wrote:
> On Thu, Feb 06, 2020 at 03:02:00PM -0500, Peter Xu wrote:
> > On Tue, Jan 21, 2020 at 02:31:53PM -0800, Sean Christopherson wrote:
> >
> > [...]
> >
> > > -int kvm_vm_ioctl_clear_dirty_log(struct kvm *kvm, struct
> > > kvm_cl
On Tue, Jan 21, 2020 at 02:31:53PM -0800, Sean Christopherson wrote:
[...]
> @@ -1333,6 +1369,7 @@ int kvm_clear_dirty_log_protect(struct kvm *kvm,
> unsigned long i, n;
> unsigned long *dirty_bitmap;
> unsigned long *dirty_bitmap_buffer;
> + bool flush;
>
> as_id =
On Thu, Feb 06, 2020 at 03:02:00PM -0500, Peter Xu wrote:
> On Tue, Jan 21, 2020 at 02:31:53PM -0800, Sean Christopherson wrote:
>
> [...]
>
> > -int kvm_vm_ioctl_clear_dirty_log(struct kvm *kvm, struct
> > kvm_clear_dirty_log *log)
> > +void kvm_arch_dirty_log_tlb_flush(struct kvm *kvm,
> > +
On Tue, Jan 21, 2020 at 02:31:55PM -0800, Sean Christopherson wrote:
> Refactor memslot handling to treat the number of used slots as the de
> facto size of the memslot array, e.g. return NULL from id_to_memslot()
> when an invalid index is provided instead of relying on npages==0 to
> detect an in
On Tue, Jan 21, 2020 at 02:31:53PM -0800, Sean Christopherson wrote:
[...]
> -int kvm_vm_ioctl_clear_dirty_log(struct kvm *kvm, struct kvm_clear_dirty_log
> *log)
> +void kvm_arch_dirty_log_tlb_flush(struct kvm *kvm,
> + struct kvm_memory_slot *memslot)
If it's to
On Thu, Feb 06, 2020 at 11:22:30AM -0800, Sean Christopherson wrote:
> On Thu, Feb 06, 2020 at 02:06:41PM -0500, Peter Xu wrote:
> > On Tue, Jan 21, 2020 at 02:31:52PM -0800, Sean Christopherson wrote:
> >
> > [...]
> >
> > > @@ -1101,52 +1099,55 @@ int __kvm_set_memory_region(struct kvm *kvm,
>
On Thu, Feb 06, 2020 at 02:06:41PM -0500, Peter Xu wrote:
> On Tue, Jan 21, 2020 at 02:31:52PM -0800, Sean Christopherson wrote:
>
> [...]
>
> > @@ -1101,52 +1099,55 @@ int __kvm_set_memory_region(struct kvm *kvm,
> > if (mem->guest_phys_addr + mem->memory_size < mem->guest_phys_addr)
> >
On Tue, Jan 21, 2020 at 02:31:52PM -0800, Sean Christopherson wrote:
[...]
> @@ -1101,52 +1099,55 @@ int __kvm_set_memory_region(struct kvm *kvm,
> if (mem->guest_phys_addr + mem->memory_size < mem->guest_phys_addr)
> return -EINVAL;
>
> - slot = id_to_memslot(__kvm_mems
On Thu, 6 Feb 2020 14:42:11 +
Andre Przywara wrote:
Hi,
> On Wed, 5 Feb 2020 17:11:57 +
> Will Deacon wrote:
>
> Hi Will,
>
> many thanks for having a look!
>
> > On Wed, Jan 08, 2020 at 06:32:12PM +, Andre Przywara wrote:
> > > From: Raphael Gault
[ ... ]
> > > +/* We only
On Thu, Feb 06, 2020 at 08:28:18AM -0800, Sean Christopherson wrote:
> On Thu, Feb 06, 2020 at 11:14:15AM -0500, Peter Xu wrote:
> > On Tue, Jan 21, 2020 at 02:31:50PM -0800, Sean Christopherson wrote:
> > > Move memslot deletion into its own routine so that the success path for
> > > other memslot
On Tue, Jan 21, 2020 at 02:31:51PM -0800, Sean Christopherson wrote:
> Now that all callers of kvm_free_memslot() pass NULL for @dont, remove
> the param from the top-level routine and all arch's implementations.
>
> No functional change intended.
>
> Tested-by: Christoffer Dall
> Signed-off-by:
On Thu, Feb 06, 2020 at 11:14:15AM -0500, Peter Xu wrote:
> On Tue, Jan 21, 2020 at 02:31:50PM -0800, Sean Christopherson wrote:
> > Move memslot deletion into its own routine so that the success path for
> > other memslot updates does not need to use kvm_free_memslot(), i.e. can
> > explicitly des
On Tue, Jan 21, 2020 at 02:31:48PM -0800, Sean Christopherson wrote:
> Drop the "const" attribute from @old in kvm_arch_commit_memory_region()
> to allow arch specific code to free arch specific resources in the old
> memslot without having to cast away the attribute. Freeing resources in
> kvm_ar
On Tue, Jan 21, 2020 at 02:31:47PM -0800, Sean Christopherson wrote:
> Split out the core functionality of setting a memslot into a separate
> helper in preparation for moving memslot deletion into its own routine.
>
> Tested-by: Christoffer Dall
> Reviewed-by: Philippe Mathieu-Daudé
> Signed-of
On Tue, Jan 21, 2020 at 02:31:50PM -0800, Sean Christopherson wrote:
> Move memslot deletion into its own routine so that the success path for
> other memslot updates does not need to use kvm_free_memslot(), i.e. can
> explicitly destroy the dirty bitmap when necessary. This paves the way
> for dr
Hi Eric,
On 2020/1/28 18:34, Eric Auger wrote:
Detect the presence of an ITS as part of the GICv3 init
routine, initialize its base address and read few registers
the IIDR, the TYPER to store its dimensioning parameters.
Also parse the BASER registers.
This is our first ITS test, belonging to a
On Wed, 5 Feb 2020 17:11:57 +
Will Deacon wrote:
Hi Will,
many thanks for having a look!
> On Wed, Jan 08, 2020 at 06:32:12PM +, Andre Przywara wrote:
> > From: Raphael Gault
> >
> > The EDK II UEFI firmware implementation requires some storage for the EFI
> > variables, which is typi
Hi Eric,
On 2020/1/28 18:34, Eric Auger wrote:
PROPBASER, PENDBASE and GICR_CTRL will be used for LPI management.
Signed-off-by: Eric Auger
---
lib/arm/asm/gic-v3.h | 6 ++
1 file changed, 6 insertions(+)
diff --git a/lib/arm/asm/gic-v3.h b/lib/arm/asm/gic-v3.h
index 6beeab6..ffb2e26 1
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