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From: Nico Boehr <nrb@linux.ibm.com>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>, kvm@vger.kernel.org
Cc: borntraeger@de.ibm.com, frankja@linux.ibm.com, thuth@redhat.com,
	pasic@linux.ibm.com, david@redhat.com,
	linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
	scgl@linux.ibm.com, mimu@linux.ibm.com
Subject: Re: [PATCH v10 15/19] KVM: s390: pv: asynchronous destroy for reboot
Date: Mon, 30 May 2022 11:46:26 +0200	[thread overview]
Message-ID: <49c2667ecfc2c628c13cae79796ffac4ddc2c0c3.camel@linux.ibm.com> (raw)
In-Reply-To: <20220414080311.1084834-16-imbrenda@linux.ibm.com>

On Thu, 2022-04-14 at 10:03 +0200, Claudio Imbrenda wrote:
[...]
> diff --git a/arch/s390/kvm/pv.c b/arch/s390/kvm/pv.c
> index b20f2cbd43d9..36bc107bbd7d 100644
> --- a/arch/s390/kvm/pv.c
> +++ b/arch/s390/kvm/pv.c
[...]
> +/**
> + * kvm_s390_pv_deinit_vm_async - Perform an asynchronous teardown of
> a
> + * protected VM.
> + * @kvm the VM previously associated with the protected VM
> + * @rc return value for the RC field of the UVCB
> + * @rrc return value for the RRC field of the UVCB
> + *
> + * Tear down the protected VM that had previously been set aside
> using
> + * kvm_s390_pv_deinit_vm_async_prepare.
> + *
> + * Context: kvm->lock needs to be held

...and will be released...

> + *
> + * Return: 0 in case of success, -EINVAL if no protected VM had been
> + * prepared for asynchronous teardowm, -EIO in case of other errors.
> + */
> +int kvm_s390_pv_deinit_vm_async(struct kvm *kvm, u16 *rc, u16 *rrc)

Do you also want to set rc and rrc as in kvm_s390_pv_deinit_vm_async_prepare()?


  reply	other threads:[~2022-05-30  9:46 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-14  8:02 [PATCH v10 00/19] KVM: s390: pv: implement lazy destroy for reboot Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 01/19] KVM: s390: pv: leak the topmost page table when destroy fails Claudio Imbrenda
2022-04-14 11:30   ` Janosch Frank
2022-04-14 12:19     ` Claudio Imbrenda
2022-05-05 14:45   ` Thomas Huth
2022-05-06 11:30     ` Claudio Imbrenda
2022-05-16  7:22   ` Nico Boehr
2022-05-16 15:55     ` Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 02/19] KVM: s390: pv: handle secure storage violations for protected guests Claudio Imbrenda
2022-05-05 17:10   ` Thomas Huth
2022-05-06 11:33     ` Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 03/19] KVM: s390: pv: handle secure storage exceptions for normal guests Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 04/19] KVM: s390: pv: refactor s390_reset_acc Claudio Imbrenda
2022-05-16  8:04   ` Nico Boehr
2022-05-16 16:11     ` Claudio Imbrenda
2022-05-30  7:40       ` Nico Boehr
2022-05-30 10:50         ` Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 05/19] KVM: s390: pv: usage counter instead of flag Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 06/19] KVM: s390: pv: add export before import Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 07/19] KVM: s390: pv: module parameter to fence lazy destroy Claudio Imbrenda
2022-04-14  8:02 ` [PATCH v10 08/19] KVM: s390: pv: clear the state without memset Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 09/19] KVM: s390: pv: Add kvm_s390_cpus_from_pv to kvm-s390.h and add documentation Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 10/19] KVM: s390: pv: add mmu_notifier Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 11/19] s390/mm: KVM: pv: when tearing down, try to destroy protected pages Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 12/19] KVM: s390: pv: refactoring of kvm_s390_pv_deinit_vm Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 13/19] KVM: s390: pv: destroy the configuration before its memory Claudio Imbrenda
2022-05-30  7:37   ` Nico Boehr
2022-05-30 12:05     ` Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 14/19] KVM: s390: pv: cleanup leftover protected VMs if needed Claudio Imbrenda
2022-05-30  8:11   ` Nico Boehr
2022-05-30 10:43     ` Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 15/19] KVM: s390: pv: asynchronous destroy for reboot Claudio Imbrenda
2022-05-30  9:46   ` Nico Boehr [this message]
2022-05-30 11:06     ` Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 16/19] KVM: s390: pv: api documentation for asynchronous destroy Claudio Imbrenda
2022-05-30  9:47   ` Nico Boehr
2022-04-14  8:03 ` [PATCH v10 17/19] KVM: s390: pv: add KVM_CAP_S390_PROTECTED_ASYNC_DISABLE Claudio Imbrenda
2022-05-30 10:24   ` Nico Boehr
2022-04-14  8:03 ` [PATCH v10 18/19] KVM: s390: pv: avoid export before import if possible Claudio Imbrenda
2022-05-30 10:07   ` Nico Boehr
2022-05-30 11:16     ` Claudio Imbrenda
2022-04-14  8:03 ` [PATCH v10 19/19] KVM: s390: pv: support for Destroy fast UVC Claudio Imbrenda

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