From: Janosch Frank <frankja@linux.ibm.com>
To: David Hildenbrand <david@redhat.com>, kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, thuth@redhat.com,
borntraeger@de.ibm.com, imbrenda@linux.ibm.com,
mihajlov@linux.ibm.com, mimu@linux.ibm.com, cohuck@redhat.com,
gor@linux.ibm.com
Subject: Re: [RFC 06/37] s390: UV: Add import and export to UV library
Date: Fri, 25 Oct 2019 10:42:56 +0200 [thread overview]
Message-ID: <5de9ace7-a635-d758-276e-942c5f95e18f@linux.ibm.com> (raw)
In-Reply-To: <257d9326-9af9-5986-aeb0-4323fb66c81d@redhat.com>
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On 10/25/19 10:40 AM, David Hildenbrand wrote:
> On 25.10.19 10:39, Janosch Frank wrote:
>> On 10/25/19 10:31 AM, David Hildenbrand wrote:
>>> On 24.10.19 13:40, Janosch Frank wrote:
>>>> The convert to/from secure (or also "import/export") ultravisor calls
>>>> are need for page management, i.e. paging, of secure execution VM.
>>>>
>>>> Export encrypts a secure guest's page and makes it accessible to the
>>>> guest for paging.
>>>
>>> How does paging play along with pinning the pages (from
>>> uv_convert_to_secure() -> kvm_s390_pv_pin_page()) in a follow up patch?
>>> Can you paint me the bigger picture?
>>
>> That's a stale comment I should have removed before sending...
>> The current patches do not support paging.
>
> Note that once you pin you really have to disable the balloon in the
> QEMU (inhibit it).
>
Yes, and you need the iommu for virtio.
We didn't yet fully discuss how to handle that.
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next prev parent reply other threads:[~2019-10-25 8:43 UTC|newest]
Thread overview: 213+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 11:40 [RFC 00/37] KVM: s390: Add support for protected VMs Janosch Frank
2019-10-24 11:40 ` [RFC 01/37] DOCUMENTATION: protvirt: Protected virtual machine introduction Janosch Frank
2019-11-01 8:18 ` Christian Borntraeger
2019-11-04 14:18 ` Cornelia Huck
2019-11-12 14:38 ` Janosch Frank
2019-10-24 11:40 ` [RFC 02/37] s390/protvirt: introduce host side setup Janosch Frank
2019-10-24 13:25 ` David Hildenbrand
2019-10-24 13:27 ` David Hildenbrand
2019-10-24 13:40 ` Christian Borntraeger
2019-10-24 15:52 ` David Hildenbrand
2019-10-24 16:30 ` Claudio Imbrenda
2019-10-24 16:54 ` David Hildenbrand
2019-10-28 14:54 ` Cornelia Huck
2019-10-28 20:20 ` Christian Borntraeger
2019-11-01 8:53 ` Christian Borntraeger
2019-11-04 14:26 ` Cornelia Huck
2019-11-12 14:47 ` Janosch Frank
2019-11-04 15:54 ` Cornelia Huck
2019-11-04 17:50 ` Christian Borntraeger
2019-11-05 9:26 ` Cornelia Huck
2019-11-08 12:14 ` Thomas Huth
2019-10-24 11:40 ` [RFC 03/37] s390/protvirt: add ultravisor initialization Janosch Frank
2019-10-25 9:21 ` David Hildenbrand
2019-10-28 15:48 ` Vasily Gorbik
2019-10-28 15:54 ` David Hildenbrand
2019-11-01 10:07 ` Christian Borntraeger
2019-11-07 15:28 ` Cornelia Huck
2019-11-07 15:32 ` Janosch Frank
2019-10-24 11:40 ` [RFC 04/37] KVM: s390: protvirt: Add initial lifecycle handling Janosch Frank
2019-10-25 8:58 ` David Hildenbrand
2019-10-25 9:02 ` David Hildenbrand
2019-11-04 8:18 ` Christian Borntraeger
2019-11-04 8:41 ` Janosch Frank
2019-11-07 16:29 ` Cornelia Huck
2019-11-08 7:36 ` Janosch Frank
2019-11-11 16:25 ` Cornelia Huck
2019-11-11 16:39 ` Janosch Frank
2019-11-11 16:54 ` Cornelia Huck
2019-11-13 10:05 ` Thomas Huth
2019-11-08 13:44 ` Thomas Huth
2019-11-13 10:28 ` Thomas Huth
2019-11-13 11:34 ` Janosch Frank
2019-11-13 14:03 ` [PATCH] Fix unpack Janosch Frank
2019-11-13 14:19 ` Thomas Huth
2019-11-13 14:36 ` Cornelia Huck
2019-11-13 11:48 ` [RFC 04/37] KVM: s390: protvirt: Add initial lifecycle handling Cornelia Huck
2019-10-24 11:40 ` [RFC 05/37] s390: KVM: Export PV handle to gmap Janosch Frank
2019-10-25 9:04 ` David Hildenbrand
2019-10-24 11:40 ` [RFC 06/37] s390: UV: Add import and export to UV library Janosch Frank
2019-10-25 8:31 ` David Hildenbrand
2019-10-25 8:39 ` Janosch Frank
2019-10-25 8:40 ` David Hildenbrand
2019-10-25 8:42 ` Janosch Frank [this message]
2019-11-01 11:26 ` Christian Borntraeger
2019-11-01 12:25 ` Janosch Frank
2019-11-01 12:39 ` Christian Borntraeger
2019-11-01 12:42 ` Christian Borntraeger
2019-11-11 16:40 ` Cornelia Huck
2019-11-11 16:56 ` Janosch Frank
2019-10-24 11:40 ` [RFC 07/37] KVM: s390: protvirt: Secure memory is not mergeable Janosch Frank
2019-10-24 16:07 ` David Hildenbrand
2019-10-24 16:33 ` Claudio Imbrenda
2019-10-24 16:49 ` David Hildenbrand
2019-10-25 7:18 ` Janosch Frank
2019-10-25 8:04 ` David Hildenbrand
2019-10-25 8:20 ` Janosch Frank
2019-10-25 7:46 ` David Hildenbrand
2019-10-25 8:24 ` [RFC v2] " Janosch Frank
2019-11-01 13:02 ` Christian Borntraeger
2019-11-04 14:32 ` David Hildenbrand
2019-11-04 14:36 ` Janosch Frank
2019-11-04 14:38 ` David Hildenbrand
2019-11-13 12:23 ` Thomas Huth
2019-11-13 15:54 ` Janosch Frank
2019-10-24 11:40 ` [RFC 08/37] KVM: s390: add missing include in gmap.h Janosch Frank
2019-10-25 8:24 ` David Hildenbrand
2019-11-13 12:27 ` Thomas Huth
2019-10-24 11:40 ` [RFC 09/37] KVM: s390: protvirt: Implement on-demand pinning Janosch Frank
2019-10-25 8:49 ` David Hildenbrand
2019-10-31 15:41 ` Christian Borntraeger
2019-10-31 17:30 ` David Hildenbrand
2019-10-31 20:57 ` Janosch Frank
2019-11-04 10:19 ` David Hildenbrand
2019-11-04 10:25 ` Janosch Frank
2019-11-04 10:27 ` David Hildenbrand
2019-11-04 13:58 ` Christian Borntraeger
2019-11-04 14:08 ` David Hildenbrand
2019-11-04 14:42 ` David Hildenbrand
2019-11-04 17:17 ` Cornelia Huck
2019-11-04 17:44 ` David Hildenbrand
2019-11-04 18:38 ` David Hildenbrand
2019-11-05 9:15 ` Cornelia Huck
2019-11-01 8:50 ` Claudio Imbrenda
2019-11-04 10:22 ` David Hildenbrand
2019-11-02 8:53 ` Christian Borntraeger
2019-11-04 14:17 ` David Hildenbrand
2019-10-24 11:40 ` [RFC 10/37] s390: add (non)secure page access exceptions handlers Janosch Frank
2019-10-24 11:40 ` [RFC 11/37] DOCUMENTATION: protvirt: Interrupt injection Janosch Frank
2019-11-14 13:09 ` Cornelia Huck
2019-11-14 13:25 ` Claudio Imbrenda
2019-11-14 13:47 ` Cornelia Huck
2019-11-14 16:33 ` Janosch Frank
2019-10-24 11:40 ` [RFC 12/37] KVM: s390: protvirt: Handle SE notification interceptions Janosch Frank
2019-10-30 15:50 ` David Hildenbrand
2019-10-30 17:58 ` Janosch Frank
2019-11-05 18:04 ` Cornelia Huck
2019-11-05 18:15 ` Christian Borntraeger
2019-11-05 18:37 ` Cornelia Huck
2019-10-24 11:40 ` [RFC 13/37] KVM: s390: protvirt: Add interruption injection controls Janosch Frank
2019-10-30 15:53 ` David Hildenbrand
2019-10-31 8:48 ` Michael Mueller
2019-10-31 9:15 ` David Hildenbrand
2019-10-31 12:10 ` Michael Mueller
2019-11-05 17:51 ` Cornelia Huck
2019-11-07 12:42 ` Michael Mueller
2019-11-14 11:48 ` Thomas Huth
2019-10-24 11:40 ` [RFC 14/37] KVM: s390: protvirt: Implement interruption injection Janosch Frank
2019-11-04 10:29 ` David Hildenbrand
2019-11-04 14:05 ` Christian Borntraeger
2019-11-04 14:23 ` David Hildenbrand
2019-11-14 12:07 ` Thomas Huth
2019-10-24 11:40 ` [RFC 15/37] KVM: s390: protvirt: Add machine-check interruption injection controls Janosch Frank
2019-11-13 14:49 ` Thomas Huth
2019-11-13 15:57 ` Michael Mueller
2019-10-24 11:40 ` [RFC 16/37] KVM: s390: protvirt: Implement machine-check interruption injection Janosch Frank
2019-11-05 18:11 ` Cornelia Huck
2019-10-24 11:40 ` [RFC 17/37] DOCUMENTATION: protvirt: Instruction emulation Janosch Frank
2019-11-14 15:15 ` Cornelia Huck
2019-11-14 15:20 ` Claudio Imbrenda
2019-11-14 15:41 ` Cornelia Huck
2019-11-14 15:55 ` Janosch Frank
2019-11-14 16:03 ` Cornelia Huck
2019-11-14 16:18 ` Janosch Frank
2019-10-24 11:40 ` [RFC 18/37] KVM: s390: protvirt: Handle spec exception loops Janosch Frank
2019-11-14 14:22 ` Thomas Huth
2019-10-24 11:40 ` [RFC 19/37] KVM: s390: protvirt: Add new gprs location handling Janosch Frank
2019-11-04 11:25 ` David Hildenbrand
2019-11-05 12:01 ` Christian Borntraeger
2019-11-05 12:39 ` Janosch Frank
2019-11-05 13:55 ` David Hildenbrand
2019-11-05 14:11 ` Janosch Frank
2019-11-05 14:18 ` David Hildenbrand
2019-11-14 14:46 ` Thomas Huth
2019-11-14 14:44 ` Thomas Huth
2019-11-14 15:56 ` Janosch Frank
2019-10-24 11:40 ` [RFC 20/37] KVM: S390: protvirt: Introduce instruction data area bounce buffer Janosch Frank
2019-11-14 15:36 ` Thomas Huth
2019-11-14 16:04 ` Janosch Frank
2019-11-14 16:21 ` [PATCH] Fixup sida bouncing Janosch Frank
2019-11-15 8:19 ` Thomas Huth
2019-11-15 8:50 ` Janosch Frank
2019-11-15 9:21 ` Thomas Huth
2019-10-24 11:40 ` [RFC 21/37] KVM: S390: protvirt: Instruction emulation Janosch Frank
2019-11-14 15:38 ` Cornelia Huck
2019-11-14 16:00 ` Janosch Frank
2019-11-14 16:05 ` Cornelia Huck
2019-10-24 11:40 ` [RFC 22/37] KVM: s390: protvirt: Add SCLP handling Janosch Frank
2019-10-24 11:40 ` [RFC 23/37] KVM: s390: protvirt: Make sure prefix is always protected Janosch Frank
2019-11-18 16:39 ` Cornelia Huck
2019-11-19 8:11 ` Janosch Frank
2019-11-19 9:45 ` Cornelia Huck
2019-11-19 10:08 ` Janosch Frank
2019-11-19 10:18 ` David Hildenbrand
2019-11-19 11:36 ` Janosch Frank
2019-10-24 11:40 ` [RFC 24/37] KVM: s390: protvirt: Write sthyi data to instruction data area Janosch Frank
2019-11-15 8:04 ` Thomas Huth
2019-11-15 10:16 ` Janosch Frank
2019-11-15 10:21 ` Thomas Huth
2019-11-15 12:17 ` [PATCH] SIDAD macro fixup Janosch Frank
2019-10-24 11:40 ` [RFC 25/37] KVM: s390: protvirt: STSI handling Janosch Frank
2019-11-15 8:27 ` Thomas Huth
2019-10-24 11:40 ` [RFC 26/37] KVM: s390: protvirt: Only sync fmt4 registers Janosch Frank
2019-11-15 9:02 ` Thomas Huth
2019-11-15 10:01 ` Janosch Frank
2019-10-24 11:40 ` [RFC 27/37] KVM: s390: protvirt: SIGP handling Janosch Frank
2019-10-30 18:29 ` David Hildenbrand
2019-11-15 11:15 ` Thomas Huth
2019-10-24 11:40 ` [RFC 28/37] KVM: s390: protvirt: Add program exception injection Janosch Frank
2019-10-24 11:40 ` [RFC 29/37] KVM: s390: protvirt: Sync pv state Janosch Frank
2019-11-15 9:36 ` Thomas Huth
2019-11-15 9:59 ` Janosch Frank
2019-10-24 11:40 ` [RFC 30/37] DOCUMENTATION: protvirt: Diag 308 IPL Janosch Frank
2019-11-06 16:48 ` Cornelia Huck
2019-11-06 17:05 ` Janosch Frank
2019-11-06 17:37 ` Cornelia Huck
2019-11-06 21:02 ` Janosch Frank
2019-11-07 8:53 ` Cornelia Huck
2019-11-07 8:59 ` Janosch Frank
2019-10-24 11:40 ` [RFC 31/37] KVM: s390: protvirt: Add diag 308 subcode 8 - 10 handling Janosch Frank
2019-11-15 10:04 ` Thomas Huth
2019-11-15 10:20 ` Janosch Frank
2019-11-15 10:27 ` Thomas Huth
2019-11-15 11:29 ` Janosch Frank
2019-10-24 11:40 ` [RFC 32/37] KVM: s390: protvirt: UV calls diag308 0, 1 Janosch Frank
2019-11-15 10:07 ` Thomas Huth
2019-11-15 11:39 ` Janosch Frank
2019-11-15 13:30 ` Thomas Huth
2019-11-15 14:08 ` Janosch Frank
2019-10-24 11:40 ` [RFC 33/37] KVM: s390: Introduce VCPU reset IOCTL Janosch Frank
2019-11-15 10:47 ` Thomas Huth
2019-11-15 13:06 ` Janosch Frank
2019-11-15 13:18 ` Thomas Huth
2019-10-24 11:40 ` [RFC 34/37] KVM: s390: protvirt: Report CPU state to Ultravisor Janosch Frank
2019-10-24 11:40 ` [RFC 35/37] KVM: s390: Fix cpu reset local IRQ clearing Janosch Frank
2019-11-15 11:23 ` Thomas Huth
2019-11-15 11:37 ` Janosch Frank
2019-10-24 11:40 ` [RFC 36/37] KVM: s390: protvirt: Support cmd 5 operation state Janosch Frank
2019-11-15 11:25 ` Thomas Huth
2019-11-18 17:38 ` Cornelia Huck
2019-11-19 8:13 ` Janosch Frank
2019-11-19 10:23 ` Cornelia Huck
2019-11-19 11:40 ` Janosch Frank
2019-10-24 11:40 ` [RFC 37/37] KVM: s390: protvirt: Add UV debug trace Janosch Frank
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