From: Bharata B Rao <bharata@linux.ibm.com>
To: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@ozlabs.org>,
linuxram@us.ibm.com, kvm-ppc@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V3 2/2] KVM: PPC: Implement H_SVM_INIT_ABORT hcall
Date: Mon, 16 Dec 2019 03:41:11 +0000 [thread overview]
Message-ID: <20191216032911.GA25495@in.ibm.com> (raw)
In-Reply-To: <20191215021208.GB27378@us.ibm.com>
On Sat, Dec 14, 2019 at 06:12:08PM -0800, Sukadev Bhattiprolu wrote:
> +unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm)
> +{
> + int i;
> +
> + if (!(kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START))
> + return H_UNSUPPORTED;
> +
> + for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) {
> + struct kvm_memory_slot *memslot;
> + struct kvm_memslots *slots = __kvm_memslots(kvm, i);
> +
> + if (!slots)
> + continue;
> +
> + kvm_for_each_memslot(memslot, slots)
> + kvmppc_uvmem_drop_pages(memslot, kvm, false);
> + }
You need to hold srcu_read_lock(&kvm->srcu) here.
Regards,
Bharata.
WARNING: multiple messages have this Message-ID (diff)
From: Bharata B Rao <bharata@linux.ibm.com>
To: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: linuxram@us.ibm.com, kvm-ppc@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V3 2/2] KVM: PPC: Implement H_SVM_INIT_ABORT hcall
Date: Mon, 16 Dec 2019 08:59:11 +0530 [thread overview]
Message-ID: <20191216032911.GA25495@in.ibm.com> (raw)
In-Reply-To: <20191215021208.GB27378@us.ibm.com>
On Sat, Dec 14, 2019 at 06:12:08PM -0800, Sukadev Bhattiprolu wrote:
> +unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm)
> +{
> + int i;
> +
> + if (!(kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START))
> + return H_UNSUPPORTED;
> +
> + for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) {
> + struct kvm_memory_slot *memslot;
> + struct kvm_memslots *slots = __kvm_memslots(kvm, i);
> +
> + if (!slots)
> + continue;
> +
> + kvm_for_each_memslot(memslot, slots)
> + kvmppc_uvmem_drop_pages(memslot, kvm, false);
> + }
You need to hold srcu_read_lock(&kvm->srcu) here.
Regards,
Bharata.
WARNING: multiple messages have this Message-ID (diff)
From: Bharata B Rao <bharata@linux.ibm.com>
To: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@ozlabs.org>,
linuxram@us.ibm.com, kvm-ppc@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V3 2/2] KVM: PPC: Implement H_SVM_INIT_ABORT hcall
Date: Mon, 16 Dec 2019 08:59:11 +0530 [thread overview]
Message-ID: <20191216032911.GA25495@in.ibm.com> (raw)
In-Reply-To: <20191215021208.GB27378@us.ibm.com>
On Sat, Dec 14, 2019 at 06:12:08PM -0800, Sukadev Bhattiprolu wrote:
> +unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm)
> +{
> + int i;
> +
> + if (!(kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START))
> + return H_UNSUPPORTED;
> +
> + for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) {
> + struct kvm_memory_slot *memslot;
> + struct kvm_memslots *slots = __kvm_memslots(kvm, i);
> +
> + if (!slots)
> + continue;
> +
> + kvm_for_each_memslot(memslot, slots)
> + kvmppc_uvmem_drop_pages(memslot, kvm, false);
> + }
You need to hold srcu_read_lock(&kvm->srcu) here.
Regards,
Bharata.
next prev parent reply other threads:[~2019-12-16 3:41 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-15 2:11 [PATCH V3 1/2] KVM: PPC: Add skip_page_out parameter Sukadev Bhattiprolu
2019-12-15 2:11 ` Sukadev Bhattiprolu
2019-12-15 2:11 ` Sukadev Bhattiprolu
2019-12-15 2:12 ` [PATCH V3 2/2] KVM: PPC: Implement H_SVM_INIT_ABORT hcall Sukadev Bhattiprolu
2019-12-15 2:12 ` Sukadev Bhattiprolu
2019-12-15 2:12 ` Sukadev Bhattiprolu
2019-12-16 3:29 ` Bharata B Rao [this message]
2019-12-16 3:41 ` Bharata B Rao
2019-12-16 3:29 ` Bharata B Rao
2019-12-19 21:50 ` Sukadev Bhattiprolu
2019-12-19 21:50 ` Sukadev Bhattiprolu
2019-12-19 21:50 ` Sukadev Bhattiprolu
2019-12-18 5:36 ` Paul Mackerras
2019-12-18 5:36 ` Paul Mackerras
2019-12-18 5:36 ` Paul Mackerras
2019-12-19 21:51 ` Sukadev Bhattiprolu
2019-12-19 21:51 ` Sukadev Bhattiprolu
2019-12-19 21:51 ` Sukadev Bhattiprolu
2020-01-03 0:18 ` Ram Pai
2020-01-03 0:18 ` Ram Pai
2020-01-03 0:18 ` Ram Pai
2020-01-03 0:32 ` Sukadev Bhattiprolu
2020-01-03 0:32 ` Sukadev Bhattiprolu
2020-01-03 0:32 ` Sukadev Bhattiprolu
2020-01-03 2:20 ` Ram Pai
2020-01-03 2:20 ` Ram Pai
2020-01-03 2:20 ` Ram Pai
2019-12-18 5:32 ` [PATCH V3 1/2] KVM: PPC: Add skip_page_out parameter Paul Mackerras
2019-12-18 5:32 ` Paul Mackerras
2019-12-18 5:32 ` Paul Mackerras
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