On Tue, Oct 15, 2024, Arnd Bergmann wrote:
> From: Arnd Bergmann
>
> Depending on x86 and KVM is not enough, as the kvm helper functions
> that get called here are controlled by CONFIG_KVM_X86, which is
> disabled if both KVM_INTEL and KVM_AMD are turned off.
>
> ERROR: modpost: "kvm_write_track
On Thu, May 16, 2024, Dave Airlie wrote:
> On Thu, 16 May 2024 at 08:56, Linus Torvalds
> wrote:
> > If the *main* CONFIG_WERROR is on, then it does NOT MATTER if somebody
> > sets CONFIG_DRM_WERROR or not. It's a no-op. It's pointless.
+1
> It's also possible it's just that hey there's a few o
On Wed, Dec 20, 2023, Yan Zhao wrote:
> On Tue, Dec 19, 2023 at 12:26:45PM +0800, Yan Zhao wrote:
> > On Mon, Dec 18, 2023 at 07:08:51AM -0800, Sean Christopherson wrote:
> > > > > Implementation Consideration
> > > > > ===
> > > > > There
+Yiwei
On Fri, Dec 15, 2023, Kevin Tian wrote:
> > From: Zhao, Yan Y
> > Sent: Thursday, December 14, 2023 6:35 PM
> >
> > - For host non-MMIO pages,
> > * virtio guest frontend and host backend driver should be synced to use
> > the same memory type to map a buffer. Otherwise, there will
On Thu, Jul 13, 2023, Christian Brauner wrote:
> diff --git a/fs/eventfd.c b/fs/eventfd.c
> index dc9e01053235..077be5da72bd 100644
> --- a/fs/eventfd.c
> +++ b/fs/eventfd.c
> @@ -43,9 +43,10 @@ struct eventfd_ctx {
> int id;
> };
>
> -__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u
On Tue, May 16, 2023, David Hildenbrand wrote:
> On 15.05.23 21:07, Sean Christopherson wrote:
> > On Sun, May 14, 2023, Lorenzo Stoakes wrote:
> > > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> > > index cb5c13eee193..eaa5bb8dbadc 100644
> > > -
| 3 +--
> mm/gup.c| 9 +++--
> mm/gup_test.c | 5 ++---
> virt/kvm/kvm_main.c | 2 +-
> 7 files changed, 10 insertions(+), 15 deletions(-)
Acked-by: Sean Christopherson (KVM)
> diff --git a/virt
On Wed, Mar 29, 2023, Christian K�nig wrote:
> Am 29.03.23 um 19:39 schrieb Sean Christopherson:
> > On Wed, Mar 29, 2023, Christian K�nig wrote:
> > > Am 29.03.23 um 19:22 schrieb Sean Christopherson:
> > > > +David
> > > >
> > > > On Wed
On Wed, Mar 29, 2023, Christian K�nig wrote:
> Am 29.03.23 um 19:22 schrieb Sean Christopherson:
> > +David
> >
> > On Wed, Mar 29, 2023, Paolo Bonzini wrote:
> > > On 3/29/23 18:43, Christian K�nig wrote:
> > > > >
> > > > > 3)
+David
On Wed, Mar 29, 2023, Paolo Bonzini wrote:
> On 3/29/23 18:43, Christian K�nig wrote:
> > >
> > >
> > > 3) other uses of kmap() must switch to MMU-notifier protection.
> >
> > I would rather suggest to return the page additionally to the pfn from
> > hva_to_pfn() when the function was
On Fri, Jan 20, 2023, Bagas Sanjaya wrote:
> Stephen Rothwell reported htmldocs warning when merging kvm-x86 tree:
>
> Documentation/virt/kvm/api.rst:5070: ERROR: Unexpected indentation.
>
> Fix the warning by adding a blank line separator before
> KVM_CAP_PMU_EVENT_MASKED_EVENTS code path list t
On Tue, Sep 06, 2022, Daniel Vetter wrote:
> On Tue, Sep 06, 2022 at 10:01:47PM +0200, Daniel Vetter wrote:
> > On Mon, Aug 15, 2022 at 12:05:19PM +0200, Christian König wrote:
> > > Am 15.08.22 um 11:54 schrieb Dmitry Osipenko:
> > > > Higher order pages allocated using alloc_pages() aren't refcou
On Thu, Aug 18, 2022, Christian König wrote:
> Am 18.08.22 um 01:13 schrieb Dmitry Osipenko:
> > On 8/18/22 01:57, Dmitry Osipenko wrote:
> > > On 8/15/22 18:54, Dmitry Osipenko wrote:
> > > > On 8/15/22 17:57, Dmitry Osipenko wrote:
> > > > > On 8/15/22 16:53, Christian König wrote:
> > > > > > Am
Sorry for the super slow reply, I don't have a good excuse other than I needed
to
take break from AVIC code...
On Mon, Oct 03, 2022, Maxim Levitsky wrote:
> On Thu, 2022-09-29 at 22:38 +0000, Sean Christopherson wrote:
> > On Mon, Aug 08, 2022, Maxim Levitsky wrote:
> > &
On Mon, Aug 08, 2022, Maxim Levitsky wrote:
> Hi Sean, Paolo, and everyone else who wants to review my nested AVIC work.
Before we dive deep into design details, I think we should first decide whether
or not nested AVIC is worth pursing/supporting.
- Rome has a ucode/silicon bug with no known w
structions would be noticeable. And hilariously, the
"optimization" is completely unnecessary because both gcc and clang are clever
enough to batch the first five into a movq even when zeroing the fields
individually.
So, I would much prefer to go with the following:
>From dbdca
On Thu, Feb 20, 2020 at 09:39:05PM -0800, Tian, Kevin wrote:
> > From: Chia-I Wu
> > Sent: Friday, February 21, 2020 12:51 PM
> > If you think it is the best for KVM to inspect hva to determine the memory
> > type with page granularity, that is reasonable and should work for us too.
> > The usersp
On Tue, Feb 18, 2020 at 05:28:51PM +0100, Paolo Bonzini wrote:
> On 14/02/20 23:03, Sean Christopherson wrote:
> >> On Fri, Feb 14, 2020 at 1:47 PM Chia-I Wu wrote:
> >>> AFAICT, it is currently allowed on ARM (verified) and AMD (not
> >>> verified, but svm_ge
On Fri, Feb 14, 2020 at 01:56:48PM -0800, Jim Mattson wrote:
> On Fri, Feb 14, 2020 at 1:47 PM Chia-I Wu wrote:
> > AFAICT, it is currently allowed on ARM (verified) and AMD (not
> > verified, but svm_get_mt_mask returns 0 which supposedly means the NPT
> > does not restrict what the guest PAT can
On Fri, Feb 14, 2020 at 11:26:06AM +0100, Paolo Bonzini wrote:
> On 13/02/20 23:18, Chia-I Wu wrote:
> >
> > The bug you mentioned was probably this one
> >
> > https://bugzilla.kernel.org/show_bug.cgi?id=104091
>
> Yes, indeed.
>
> > From what I can tell, the commit allowed the guests to cre
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