On Fri, Oct 5, 2018 at 1:47 AM, Kristina Martsenko
wrote:
> This series adds support for the ARMv8.3 pointer authentication
> extension. The series contains Mark's original patches to enable pointer
> authentication for userspace [1], followed by early RFC patches using
> pointer authentication
On Fri, Oct 5, 2018 at 1:47 AM, Kristina Martsenko
wrote:
> From: Mark Rutland
>
> Now that we've added code to support pointer authentication, add some
> documentation so that people can figure out if/how to use it.
>
> Signed-off-by: Mark Rutland
> [kristina: update cpu-feature-registers.txt]
On Thu, Oct 11, 2018 at 7:23 AM, Vladimir Murzin
wrote:
> Hi Kristina,
>
> On 05/10/18 09:47, Kristina Martsenko wrote:
>> diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
>> index 106039d25e2f..dbcd43ea99d8 100644
>> --- a/arch/arm64/Makefile
>> +++ b/arch/arm64/Makefile
>> @@ -56,6 +56,10
+ Peter.
On Fri, Sep 21, 2018 at 11:17:04PM +0100, James Morse wrote:
> arm64 can take an NMI-like error notification when user-space steps in
> some corrupt memory. APEI's GHES code will call memory_failure_queue()
> to schedule the recovery work. We then return to user-space, possibly
> taking
On 13/10/2018 16:53, lantianyu1...@gmail.com wrote:
> From: Lan Tianyu
>
> For nested memory virtualization, Hyper-v doesn't set write-protect
> L1 hypervisor EPT page directory and page table node to track changes
> while it relies on guest to tell it changes via HvFlushGuestAddressLlist
>
On 14/10/2018 10:16, Thomas Gleixner wrote:
>>> +static inline bool kvm_available_flush_tlb_with_range(void)
>>> +{
>>> + return kvm_x86_ops->tlb_remote_flush_with_range;
>>> +}
>> Seems that kvm_available_flush_tlb_with_range() is not used in this patch…
> What's wrong with that?
>
> It
On 12/10/18 20:41, Bjorn Helgaas wrote:
s/iommu/IOMMU/ in subject
On Fri, Oct 12, 2018 at 03:59:13PM +0100, Jean-Philippe Brucker wrote:
Using the iommu-map binding, endpoints in a given PCI domain can be
managed by different IOMMUs. Some virtual machines may allow a subset of
endpoints to
On Fri, Oct 12, 2018 at 02:41:59PM -0500, Bjorn Helgaas wrote:
> s/iommu/IOMMU/ in subject
>
> On Fri, Oct 12, 2018 at 03:59:13PM +0100, Jean-Philippe Brucker wrote:
> > Using the iommu-map binding, endpoints in a given PCI domain can be
> > managed by different IOMMUs. Some virtual machines may
From: Lan Tianyu
For nested memory virtualization, Hyper-v doesn't set write-protect
L1 hypervisor EPT page directory and page table node to track changes
while it relies on guest to tell it changes via HvFlushGuestAddressLlist
hypercall. HvFlushGuestAddressLlist hypercall provides a way to
> On 13 Oct 2018, at 17:53, lantianyu1...@gmail.com wrote:
>
> From: Lan Tianyu
>
> This patch is to add wrapper functions for tlb_remote_flush_with_range
> callback.
>
> Signed-off-by: Lan Tianyu
> ---
> Change sicne V3:
> Remove code of updating "tlbs_dirty"
> Change since V2:
>
Hi Liran & Thomas:
Thanks for your review.
On Sun, Oct 14, 2018 at 5:20 PM Liran Alon wrote:
>
>
>
> > On 14 Oct 2018, at 11:16, Thomas Gleixner wrote:
> >
> > On Sun, 14 Oct 2018, Liran Alon wrote:
> >>> On 13 Oct 2018, at 17:53, lantianyu1...@gmail.com wrote:
> >>>
> >>> +
>
On Mon, 15 Oct 2018 09:10:53 +0200
Christian Borntraeger wrote:
> On 10/12/2018 03:37 AM, Joel Fernandes (Google) wrote:
> > Android needs to mremap large regions of memory during memory management
> > related operations. The mremap system call can be really slow if THP is
> > not enabled. The
From: Lan Tianyu
Add flush range call back in the kvm_x86_ops and platform can use it
to register its associated function. The parameter "kvm_tlb_range"
accepts a single range and flush list which contains a list of ranges.
Signed-off-by: Lan Tianyu
---
Change since v1:
Change "end_gfn"
On 10/12/2018 03:37 AM, Joel Fernandes (Google) wrote:
> Android needs to mremap large regions of memory during memory management
> related operations. The mremap system call can be really slow if THP is
> not enabled. The bottleneck is move_page_tables, which is copying each
> pte at a time,
Hi Russell:
Thanks for your review.
On Sun, Oct 14, 2018 at 5:36 PM Russell King - ARM Linux
wrote:
>
> On Sun, Oct 14, 2018 at 10:27:34AM +0100, Russell King - ARM Linux wrote:
> > On Sun, Oct 14, 2018 at 10:16:56AM +0200, Thomas Gleixner wrote:
> > > On Sun, 14 Oct 2018, Liran
From: Lan Tianyu
This patch is to add wrapper functions for tlb_remote_flush_with_range
callback.
Signed-off-by: Lan Tianyu
---
Change sicne V3:
Remove code of updating "tlbs_dirty"
Change since V2:
Fix comment in the kvm_flush_remote_tlbs_with_range()
---
arch/x86/kvm/mmu.c |
From: Lan Tianyu
The patch is to make kvm_set_spte_hva() return int and caller can
check return value to determine flush tlb or not.
Signed-off-by: Lan Tianyu
---
arch/arm/include/asm/kvm_host.h | 2 +-
arch/arm64/include/asm/kvm_host.h | 2 +-
arch/mips/include/asm/kvm_host.h| 2 +-
> On 14 Oct 2018, at 11:16, Thomas Gleixner wrote:
>
> On Sun, 14 Oct 2018, Liran Alon wrote:
>>> On 13 Oct 2018, at 17:53, lantianyu1...@gmail.com wrote:
>>>
>>> +
>>> +static inline bool kvm_available_flush_tlb_with_range(void)
>>> +{
>>> + return kvm_x86_ops->tlb_remote_flush_with_range;
From: Lan Tianyu
This patch is to replace kvm_flush_remote_tlbs() with kvm_flush_
remote_tlbs_with_address() in some functions without logic change.
Signed-off-by: Lan Tianyu
---
arch/x86/kvm/mmu.c | 31 +--
arch/x86/kvm/paging_tmpl.h | 3 ++-
2 files
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