Re: [PATCH v10 10/16] KVM: x86: Introduce KVM_GET_SHARED_PAGES_LIST ioctl

2021-03-09 Thread Kalra, Ashish
> On Mar 9, 2021, at 3:22 AM, Steve Rutherford wrote: > > On Mon, Mar 8, 2021 at 1:11 PM Brijesh Singh wrote: >> >> >>> On 3/8/21 1:51 PM, Sean Christopherson wrote: >>> On Mon, Mar 08, 2021, Ashish Kalra wrote: On Fri, Feb 26, 2021 at 09:44:41AM -0800, Sean Christopherson wrote:

RE: [PATCH v10 10/16] KVM: x86: Introduce KVM_GET_SHARED_PAGES_LIST ioctl

2021-02-18 Thread Kalra, Ashish
[AMD Public Use] -Original Message- From: Sean Christopherson Sent: Tuesday, February 16, 2021 7:03 PM To: Kalra, Ashish Cc: pbonz...@redhat.com; t...@linutronix.de; mi...@redhat.com; h...@zytor.com; rkrc...@redhat.com; j...@8bytes.org; b...@suse.de; Lendacky, Thomas ; x

RE: [PATCH v10 10/16] KVM: x86: Introduce KVM_GET_SHARED_PAGES_LIST ioctl

2021-02-18 Thread Kalra, Ashish
[AMD Public Use] -Original Message- From: Sean Christopherson Sent: Thursday, February 18, 2021 10:39 AM To: Kalra, Ashish Cc: pbonz...@redhat.com; t...@linutronix.de; mi...@redhat.com; h...@zytor.com; rkrc...@redhat.com; j...@8bytes.org; b...@suse.de; Lendacky, Thomas ; x

RE: [PATCH v10 10/16] KVM: x86: Introduce KVM_GET_SHARED_PAGES_LIST ioctl

2021-02-17 Thread Kalra, Ashish
[AMD Public Use] -Original Message- From: Sean Christopherson Sent: Wednesday, February 17, 2021 10:13 AM To: Kalra, Ashish Cc: pbonz...@redhat.com; t...@linutronix.de; mi...@redhat.com; h...@zytor.com; rkrc...@redhat.com; j...@8bytes.org; b...@suse.de; Lendacky, Thomas ; x

RE: [PATCH v10 10/16] KVM: x86: Introduce KVM_GET_SHARED_PAGES_LIST ioctl

2021-02-17 Thread Kalra, Ashish
[AMD Public Use] -Original Message- From: Sean Christopherson Sent: Tuesday, February 16, 2021 7:03 PM To: Kalra, Ashish Cc: pbonz...@redhat.com; t...@linutronix.de; mi...@redhat.com; h...@zytor.com; rkrc...@redhat.com; j...@8bytes.org; b...@suse.de; Lendacky, Thomas ; x

RE: [PATCH v9 00/18] Add AMD SEV guest live migration support

2021-01-14 Thread Kalra, Ashish
[AMD Public Use] Hello Steve, I don't think we have ever discussed supporting this command, maybe we can support it in a future follow up patch. Thanks, Ashish -Original Message- From: Steve Rutherford Sent: Thursday, January 14, 2021 6:32 PM To: Kalra, Ashish Cc: Paolo Bonzini

Re: [PATCH v2 1/9] KVM: x86: Add AMD SEV specific Hypercall3

2020-12-07 Thread Kalra, Ashish
> >> I suspect a list >> would consume far less memory, hopefully without impacting performance. And how much host memory are we talking about for here, say for a 4gb guest, the bitmap will be using just using something like 128k+. Thanks, Ashish > On Dec 7, 2020, at 10:16

Re: [PATCH v2 1/9] KVM: x86: Add AMD SEV specific Hypercall3

2020-12-07 Thread Kalra, Ashish
I don’t think that the bitmap by itself is really a performance bottleneck here. Thanks, Ashish > On Dec 7, 2020, at 9:10 PM, Steve Rutherford wrote: > > On Mon, Dec 7, 2020 at 12:42 PM Sean Christopherson > wrote: >> >>> On Sun, Dec 06, 2020, Paolo Bonzini wrote: >>> On 03/12/20 01:34,

Re: [PATCH v7] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.

2020-12-07 Thread Kalra, Ashish
> On Dec 7, 2020, at 4:14 PM, Borislav Petkov wrote: > > On Mon, Dec 07, 2020 at 10:06:24PM +, Ashish Kalra wrote: >> This is related to the earlier static adjustment of the SWIOTLB buffers >> as per guest memory size and Konrad's feedback on the same, as copied >> below : >> That

Re: [PATCH v8 13/18] KVM: x86: Introduce new KVM_FEATURE_SEV_LIVE_MIGRATION feature & Custom MSR.

2020-12-06 Thread Kalra, Ashish
> On Dec 6, 2020, at 4:58 AM, Paolo Bonzini wrote: > > On 04/12/20 18:23, Sean Christopherson wrote: >>> On Fri, Dec 04, 2020, Ashish Kalra wrote: >>> An immediate response, actually the SEV live migration patches are preferred >>> over the Page encryption bitmap patches, in other words, if

Re: [PATCH v8 13/18] KVM: x86: Introduce new KVM_FEATURE_SEV_LIVE_MIGRATION feature & Custom MSR.

2020-12-04 Thread Kalra, Ashish
This time I received your email directly. Thanks, Ashish > On Dec 4, 2020, at 12:41 PM, Sean Christopherson wrote: > > On Fri, Dec 4, 2020 at 10:07 AM Ashish Kalra wrote: >> >> Yes i will post a fresh version of the live migration patches. >> >> Also, can you please check your email

Re: [PATCH v6] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.

2020-11-24 Thread Kalra, Ashish
> On Nov 24, 2020, at 3:38 AM, Borislav Petkov wrote: > > On Tue, Nov 24, 2020 at 09:25:06AM +0000, Kalra, Ashish wrote: >> But what will be the criteria to figure out this percentage? >> >> As I mentioned earlier, this can be made as complicated as pos

Re: [PATCH v6] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.

2020-11-24 Thread Kalra, Ashish
> On Nov 24, 2020, at 3:04 AM, Borislav Petkov wrote: > > On Mon, Nov 23, 2020 at 10:56:31PM +, Ashish Kalra wrote: >> As i mentioned earlier, the patch was initially based on using a % of >> guest memory, > > Can you figure out how much the guest memory is and then allocate a >

RE: [PATCH 0/3] UCC TDM driver for MPC83xx platforms

2008-01-16 Thread Kalra Ashish
Message- From: Kumar Gala [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 15, 2008 9:01 AM To: Andrew Morton Cc: Phillips Kim; Aggrwal Poonam; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-kernel@vger.kernel.org; Barkowski Michael; Kalra Ashish; Cutler Richard

RE: [PATCH 0/3] UCC TDM driver for MPC83xx platforms

2008-01-16 Thread Kalra Ashish
Message- From: Kumar Gala [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 15, 2008 9:01 AM To: Andrew Morton Cc: Phillips Kim; Aggrwal Poonam; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-kernel@vger.kernel.org; Barkowski Michael; Kalra Ashish; Cutler Richard