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{
    "id": 842663,
    "url": "http://patchwork.ozlabs.org/api/patches/842663/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/kvm-ppc/patch/20171129164116.16167-5-christoffer.dall@linaro.org/",
    "project": {
        "id": 23,
        "url": "http://patchwork.ozlabs.org/api/projects/23/?format=api",
        "name": "KVM PowerPC development",
        "link_name": "kvm-ppc",
        "list_id": "kvm-ppc.vger.kernel.org",
        "list_email": "kvm-ppc@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
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    },
    "msgid": "<20171129164116.16167-5-christoffer.dall@linaro.org>",
    "list_archive_url": null,
    "date": "2017-11-29T16:41:04",
    "name": "[v2,04/16] KVM: Move vcpu_load to arch-specific kvm_arch_vcpu_ioctl_get_regs",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "05a5f7b1e76196894c4c8dc14c14f33af8aace37",
    "submitter": {
        "id": 26352,
        "url": "http://patchwork.ozlabs.org/api/people/26352/?format=api",
        "name": "Christoffer Dall",
        "email": "christoffer.dall@linaro.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/kvm-ppc/patch/20171129164116.16167-5-christoffer.dall@linaro.org/mbox/",
    "series": [
        {
            "id": 15778,
            "url": "http://patchwork.ozlabs.org/api/series/15778/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/kvm-ppc/list/?series=15778",
            "date": "2017-11-29T16:41:00",
            "name": "Move vcpu_load and vcpu_put calls to arch code",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/15778/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/842663/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/842663/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<kvm-ppc-owner@vger.kernel.org>",
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        "X-Received": "by 10.28.111.146 with SMTP id c18mr3056589wmi.123.1511973685833; \n\tWed, 29 Nov 2017 08:41:25 -0800 (PST)",
        "From": "Christoffer Dall <christoffer.dall@linaro.org>",
        "To": "kvm@vger.kernel.org",
        "Cc": "Andrew Jones <drjones@redhat.com>, Christoffer Dall\n\t<christoffer.dall@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>,\n\t=?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= <rkrcmar@redhat.com>,\n\tMarc Zyngier <marc.zyngier@arm.com>, kvmarm@lists.cs.columbia.edu,\n\tlinux-arm-kernel@lists.infradead.org, James Hogan <jhogan@kernel.org>,\n\tlinux-mips@linux-mips.org, Alexander Graf <agraf@suse.com>,\n\tkvm-ppc@vger.kernel.org, \n\tChristian Borntraeger <borntraeger@de.ibm.com>, Cornelia Huck\n\t<cohuck@redhat.com>, linux-s390@vger.kernel.org",
        "Subject": "[PATCH v2 04/16] KVM: Move vcpu_load to arch-specific\n\tkvm_arch_vcpu_ioctl_get_regs",
        "Date": "Wed, 29 Nov 2017 17:41:04 +0100",
        "Message-Id": "<20171129164116.16167-5-christoffer.dall@linaro.org>",
        "X-Mailer": "git-send-email 2.14.2",
        "In-Reply-To": "<20171129164116.16167-1-christoffer.dall@linaro.org>",
        "References": "<20171129164116.16167-1-christoffer.dall@linaro.org>",
        "Sender": "kvm-ppc-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<kvm-ppc.vger.kernel.org>",
        "X-Mailing-List": "kvm-ppc@vger.kernel.org"
    },
    "content": "Move vcpu_load() and vcpu_put() into the architecture specific\nimplementations of kvm_arch_vcpu_ioctl_get_regs().\n\nSigned-off-by: Christoffer Dall <christoffer.dall@linaro.org>\n---\n arch/mips/kvm/mips.c      | 3 +++\n arch/powerpc/kvm/book3s.c | 3 +++\n arch/powerpc/kvm/booke.c  | 3 +++\n arch/s390/kvm/kvm-s390.c  | 2 ++\n arch/x86/kvm/x86.c        | 3 +++\n virt/kvm/kvm_main.c       | 2 --\n 6 files changed, 14 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c\nindex b5c28f0..adfca57 100644\n--- a/arch/mips/kvm/mips.c\n+++ b/arch/mips/kvm/mips.c\n@@ -1165,6 +1165,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n {\n \tint i;\n \n+\tvcpu_load(vcpu);\n+\n \tfor (i = 0; i < ARRAY_SIZE(vcpu->arch.gprs); i++)\n \t\tregs->gpr[i] = vcpu->arch.gprs[i];\n \n@@ -1172,6 +1174,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n \tregs->lo = vcpu->arch.lo;\n \tregs->pc = vcpu->arch.pc;\n \n+\tvcpu_put(vcpu);\n \treturn 0;\n }\n \ndiff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c\nindex 72d977e..d85bfd7 100644\n--- a/arch/powerpc/kvm/book3s.c\n+++ b/arch/powerpc/kvm/book3s.c\n@@ -497,6 +497,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n {\n \tint i;\n \n+\tvcpu_load(vcpu);\n+\n \tregs->pc = kvmppc_get_pc(vcpu);\n \tregs->cr = kvmppc_get_cr(vcpu);\n \tregs->ctr = kvmppc_get_ctr(vcpu);\n@@ -518,6 +520,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n \tfor (i = 0; i < ARRAY_SIZE(regs->gpr); i++)\n \t\tregs->gpr[i] = kvmppc_get_gpr(vcpu, i);\n \n+\tvcpu_put(vcpu);\n \treturn 0;\n }\n \ndiff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c\nindex 83b4858..e0e4f04 100644\n--- a/arch/powerpc/kvm/booke.c\n+++ b/arch/powerpc/kvm/booke.c\n@@ -1431,6 +1431,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n {\n \tint i;\n \n+\tvcpu_load(vcpu);\n+\n \tregs->pc = vcpu->arch.pc;\n \tregs->cr = kvmppc_get_cr(vcpu);\n \tregs->ctr = vcpu->arch.ctr;\n@@ -1452,6 +1454,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n \tfor (i = 0; i < ARRAY_SIZE(regs->gpr); i++)\n \t\tregs->gpr[i] = kvmppc_get_gpr(vcpu, i);\n \n+\tvcpu_put(vcpu);\n \treturn 0;\n }\n \ndiff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c\nindex 2b3e874..37b7caa 100644\n--- a/arch/s390/kvm/kvm-s390.c\n+++ b/arch/s390/kvm/kvm-s390.c\n@@ -2718,7 +2718,9 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n \n int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n {\n+\tvcpu_load(vcpu);\n \tmemcpy(&regs->gprs, &vcpu->run->s.regs.gprs, sizeof(regs->gprs));\n+\tvcpu_put(vcpu);\n \treturn 0;\n }\n \ndiff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c\nindex d9deb62..597e1f8 100644\n--- a/arch/x86/kvm/x86.c\n+++ b/arch/x86/kvm/x86.c\n@@ -7309,6 +7309,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)\n \n int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n {\n+\tvcpu_load(vcpu);\n+\n \tif (vcpu->arch.emulate_regs_need_sync_to_vcpu) {\n \t\t/*\n \t\t * We are here if userspace calls get_regs() in the middle of\n@@ -7342,6 +7344,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)\n \tregs->rip = kvm_rip_read(vcpu);\n \tregs->rflags = kvm_get_rflags(vcpu);\n \n+\tvcpu_put(vcpu);\n \treturn 0;\n }\n \ndiff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c\nindex 198f2f9..843d481 100644\n--- a/virt/kvm/kvm_main.c\n+++ b/virt/kvm/kvm_main.c\n@@ -2552,9 +2552,7 @@ static long kvm_vcpu_ioctl(struct file *filp,\n \t\tkvm_regs = kzalloc(sizeof(struct kvm_regs), GFP_KERNEL);\n \t\tif (!kvm_regs)\n \t\t\tgoto out;\n-\t\tvcpu_load(vcpu);\n \t\tr = kvm_arch_vcpu_ioctl_get_regs(vcpu, kvm_regs);\n-\t\tvcpu_put(vcpu);\n \t\tif (r)\n \t\t\tgoto out_free1;\n \t\tr = -EFAULT;\n",
    "prefixes": [
        "v2",
        "04/16"
    ]
}