* [PATCH] Documentation: Add missing KVM s390 crypto attributes
@ 2026-09-18 14:51 Eric Farman
2026-09-18 14:55 ` sashiko-bot
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Eric Farman @ 2026-09-18 14:51 UTC (permalink / raw)
To: Tony Krowiak, Paolo Bonzini, Sean Christopherson
Cc: Jonathan Corbet, Shuah Khan, Randy Dunlap, kvm, linux-doc,
linux-s390, Eric Farman
Device attributes to enable/disable the AP interpretive execution
support for crypto were added to KVM several years ago, but they
weren't added to the documentation itself.
Fixes: 37940fb0b6a2 ("KVM: s390: device attrs to enable/disable AP interpretation")
Signed-off-by: Eric Farman <farman@linux.ibm.com>
---
Documentation/virt/kvm/devices/vm.rst | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/virt/kvm/devices/vm.rst b/Documentation/virt/kvm/devices/vm.rst
index a4d39fa1b083..78e63eb9994e 100644
--- a/Documentation/virt/kvm/devices/vm.rst
+++ b/Documentation/virt/kvm/devices/vm.rst
@@ -280,6 +280,24 @@ Allows user space to disable dea key wrapping, clearing the wrapping key.
:Parameters: none
:Returns: 0
+4.5. ATTRIBUTE: KVM_S390_VM_CRYPTO_ENABLE_APIE (w/o)
+-------------------------------------------------------
+
+Allows user space to enable AP interpretive execution.
+
+:Parameters: none
+:Returns: 0 for success
+ -EOPNOTSUPP if AP instructions not available for guest
+
+4.6. ATTRIBUTE: KVM_S390_VM_CRYPTO_DISABLE_APIE (w/o)
+-------------------------------------------------------
+
+Allows user space to disable AP interpretive execution.
+
+:Parameters: none
+:Returns: 0 for success
+ -EOPNOTSUPP if AP instructions not available for guest
+
5. GROUP: KVM_S390_VM_MIGRATION
===============================
--
2.53.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] Documentation: Add missing KVM s390 crypto attributes
2026-09-18 14:51 [PATCH] Documentation: Add missing KVM s390 crypto attributes Eric Farman
@ 2026-09-18 14:55 ` sashiko-bot
2026-09-22 11:49 ` Anthony Krowiak
2026-09-22 13:04 ` Christian Borntraeger
2 siblings, 0 replies; 4+ messages in thread
From: sashiko-bot @ 2026-09-18 14:55 UTC (permalink / raw)
To: Eric Farman
Cc: kvm, Vasily Gorbik, linux-s390, Heiko Carstens, Alexander Gordeev,
Christian Borntraeger
> Device attributes to enable/disable the AP interpretive execution
> support for crypto were added to KVM several years ago, but they
> weren't added to the documentation itself.
>
> Fixes: 37940fb0b6a2 ("KVM: s390: device attrs to enable/disable AP interpretation")
> Signed-off-by: Eric Farman <farman@linux.ibm.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260918145151.2116991-1-farman@linux.ibm.com?part=1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] Documentation: Add missing KVM s390 crypto attributes
2026-09-18 14:51 [PATCH] Documentation: Add missing KVM s390 crypto attributes Eric Farman
2026-09-18 14:55 ` sashiko-bot
@ 2026-09-22 11:49 ` Anthony Krowiak
2026-09-22 13:04 ` Christian Borntraeger
2 siblings, 0 replies; 4+ messages in thread
From: Anthony Krowiak @ 2026-09-22 11:49 UTC (permalink / raw)
To: Eric Farman, Paolo Bonzini, Sean Christopherson
Cc: Jonathan Corbet, Shuah Khan, Randy Dunlap, kvm, linux-doc,
linux-s390
On 9/18/26 10:51 AM, Eric Farman wrote:
> Device attributes to enable/disable the AP interpretive execution
> support for crypto were added to KVM several years ago, but they
> weren't added to the documentation itself.
>
> Fixes: 37940fb0b6a2 ("KVM: s390: device attrs to enable/disable AP interpretation")
> Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
> ---
> Documentation/virt/kvm/devices/vm.rst | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/Documentation/virt/kvm/devices/vm.rst b/Documentation/virt/kvm/devices/vm.rst
> index a4d39fa1b083..78e63eb9994e 100644
> --- a/Documentation/virt/kvm/devices/vm.rst
> +++ b/Documentation/virt/kvm/devices/vm.rst
> @@ -280,6 +280,24 @@ Allows user space to disable dea key wrapping, clearing the wrapping key.
> :Parameters: none
> :Returns: 0
>
> +4.5. ATTRIBUTE: KVM_S390_VM_CRYPTO_ENABLE_APIE (w/o)
> +-------------------------------------------------------
> +
> +Allows user space to enable AP interpretive execution.
> +
> +:Parameters: none
> +:Returns: 0 for success
> + -EOPNOTSUPP if AP instructions not available for guest
> +
> +4.6. ATTRIBUTE: KVM_S390_VM_CRYPTO_DISABLE_APIE (w/o)
> +-------------------------------------------------------
> +
> +Allows user space to disable AP interpretive execution.
> +
> +:Parameters: none
> +:Returns: 0 for success
> + -EOPNOTSUPP if AP instructions not available for guest
> +
> 5. GROUP: KVM_S390_VM_MIGRATION
> ===============================
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] Documentation: Add missing KVM s390 crypto attributes
2026-09-18 14:51 [PATCH] Documentation: Add missing KVM s390 crypto attributes Eric Farman
2026-09-18 14:55 ` sashiko-bot
2026-09-22 11:49 ` Anthony Krowiak
@ 2026-09-22 13:04 ` Christian Borntraeger
2 siblings, 0 replies; 4+ messages in thread
From: Christian Borntraeger @ 2026-09-22 13:04 UTC (permalink / raw)
To: Eric Farman, Tony Krowiak, Paolo Bonzini, Sean Christopherson
Cc: Jonathan Corbet, Shuah Khan, Randy Dunlap, kvm, linux-doc,
linux-s390
Am 18.09.26 um 16:51 schrieb Eric Farman:
> Device attributes to enable/disable the AP interpretive execution
> support for crypto were added to KVM several years ago, but they
> weren't added to the documentation itself.
>
> Fixes: 37940fb0b6a2 ("KVM: s390: device attrs to enable/disable AP interpretation")
> Signed-off-by: Eric Farman <farman@linux.ibm.com>
thanks. Unless Jonathan objects, I will take that via the kvms390 tree.
> ---
> Documentation/virt/kvm/devices/vm.rst | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/Documentation/virt/kvm/devices/vm.rst b/Documentation/virt/kvm/devices/vm.rst
> index a4d39fa1b083..78e63eb9994e 100644
> --- a/Documentation/virt/kvm/devices/vm.rst
> +++ b/Documentation/virt/kvm/devices/vm.rst
> @@ -280,6 +280,24 @@ Allows user space to disable dea key wrapping, clearing the wrapping key.
> :Parameters: none
> :Returns: 0
>
> +4.5. ATTRIBUTE: KVM_S390_VM_CRYPTO_ENABLE_APIE (w/o)
> +-------------------------------------------------------
> +
> +Allows user space to enable AP interpretive execution.
> +
> +:Parameters: none
> +:Returns: 0 for success
> + -EOPNOTSUPP if AP instructions not available for guest
> +
> +4.6. ATTRIBUTE: KVM_S390_VM_CRYPTO_DISABLE_APIE (w/o)
> +-------------------------------------------------------
> +
> +Allows user space to disable AP interpretive execution.
> +
> +:Parameters: none
> +:Returns: 0 for success
> + -EOPNOTSUPP if AP instructions not available for guest
> +
> 5. GROUP: KVM_S390_VM_MIGRATION
> ===============================
>
^ permalink raw reply [flat|nested] 4+ messages in thread
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2026-09-18 14:51 [PATCH] Documentation: Add missing KVM s390 crypto attributes Eric Farman
2026-09-18 14:55 ` sashiko-bot
2026-09-22 11:49 ` Anthony Krowiak
2026-09-22 13:04 ` Christian Borntraeger
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