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Thu, 23 Jul 2020 20:07:44 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C07A84C044; Thu, 23 Jul 2020 20:07:41 +0000 (GMT) Received: from oc0525413822.ibm.com (unknown [9.211.150.76]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 23 Jul 2020 20:07:41 +0000 (GMT) From: Ram Pai To: kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v5 1/7] KVM: PPC: Book3S HV: Fix function definition in book3s_hv_uvmem.c Date: Thu, 23 Jul 2020 13:07:18 -0700 Message-Id: <1595534844-16188-2-git-send-email-linuxram@us.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1595534844-16188-1-git-send-email-linuxram@us.ibm.com> References: <1595534844-16188-1-git-send-email-linuxram@us.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-23_09:2020-07-23, 2020-07-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 spamscore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 malwarescore=0 suspectscore=0 adultscore=0 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007230144 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ldufour@linux.ibm.com, linuxram@us.ibm.com, cclaudio@linux.ibm.com, bharata@linux.ibm.com, sathnaga@linux.vnet.ibm.com, aneesh.kumar@linux.ibm.com, sukadev@linux.vnet.ibm.com, bauerman@linux.ibm.com, david@gibson.dropbear.id.au Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Without this fix, git is confused. It generates wrong function context for code changes in subsequent patches. Weird, but true. Cc: Paul Mackerras Cc: Benjamin Herrenschmidt Cc: Michael Ellerman Cc: Bharata B Rao Cc: Aneesh Kumar K.V Cc: Sukadev Bhattiprolu Cc: Laurent Dufour Cc: Thiago Jung Bauermann Cc: David Gibson Cc: Claudio Carvalho Cc: kvm-ppc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Ram Pai --- arch/powerpc/kvm/book3s_hv_uvmem.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c index 09d8119..e6f76bc 100644 --- a/arch/powerpc/kvm/book3s_hv_uvmem.c +++ b/arch/powerpc/kvm/book3s_hv_uvmem.c @@ -382,8 +382,7 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * Alloc a PFN from private device memory pool and copy page from normal * memory to secure memory using UV_PAGE_IN uvcall. */ -static int -kvmppc_svm_page_in(struct vm_area_struct *vma, unsigned long start, +static int kvmppc_svm_page_in(struct vm_area_struct *vma, unsigned long start, unsigned long end, unsigned long gpa, struct kvm *kvm, unsigned long page_shift, bool *downgrade) { @@ -450,8 +449,8 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * In the former case, uses dev_pagemap_ops.migrate_to_ram handler * to unmap the device page from QEMU's page tables. */ -static unsigned long -kvmppc_share_page(struct kvm *kvm, unsigned long gpa, unsigned long page_shift) +static unsigned long kvmppc_share_page(struct kvm *kvm, unsigned long gpa, + unsigned long page_shift) { int ret = H_PARAMETER; @@ -500,9 +499,9 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * H_PAGE_IN_SHARED flag makes the page shared which means that the same * memory in is visible from both UV and HV. */ -unsigned long -kvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gpa, - unsigned long flags, unsigned long page_shift) +unsigned long kvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gpa, + unsigned long flags, + unsigned long page_shift) { bool downgrade = false; unsigned long start, end; @@ -559,10 +558,10 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * Provision a new page on HV side and copy over the contents * from secure memory using UV_PAGE_OUT uvcall. */ -static int -kvmppc_svm_page_out(struct vm_area_struct *vma, unsigned long start, - unsigned long end, unsigned long page_shift, - struct kvm *kvm, unsigned long gpa) +static int kvmppc_svm_page_out(struct vm_area_struct *vma, + unsigned long start, + unsigned long end, unsigned long page_shift, + struct kvm *kvm, unsigned long gpa) { unsigned long src_pfn, dst_pfn = 0; struct migrate_vma mig; -- 1.8.3.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ram Pai Date: Thu, 23 Jul 2020 20:07:18 +0000 Subject: [PATCH v5 1/7] KVM: PPC: Book3S HV: Fix function definition in book3s_hv_uvmem.c Message-Id: <1595534844-16188-2-git-send-email-linuxram@us.ibm.com> List-Id: References: <1595534844-16188-1-git-send-email-linuxram@us.ibm.com> In-Reply-To: <1595534844-16188-1-git-send-email-linuxram@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: ldufour@linux.ibm.com, linuxram@us.ibm.com, cclaudio@linux.ibm.com, bharata@linux.ibm.com, sathnaga@linux.vnet.ibm.com, aneesh.kumar@linux.ibm.com, sukadev@linux.vnet.ibm.com, bauerman@linux.ibm.com, david@gibson.dropbear.id.au Without this fix, git is confused. It generates wrong function context for code changes in subsequent patches. Weird, but true. Cc: Paul Mackerras Cc: Benjamin Herrenschmidt Cc: Michael Ellerman Cc: Bharata B Rao Cc: Aneesh Kumar K.V Cc: Sukadev Bhattiprolu Cc: Laurent Dufour Cc: Thiago Jung Bauermann Cc: David Gibson Cc: Claudio Carvalho Cc: kvm-ppc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Ram Pai --- arch/powerpc/kvm/book3s_hv_uvmem.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c index 09d8119..e6f76bc 100644 --- a/arch/powerpc/kvm/book3s_hv_uvmem.c +++ b/arch/powerpc/kvm/book3s_hv_uvmem.c @@ -382,8 +382,7 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * Alloc a PFN from private device memory pool and copy page from normal * memory to secure memory using UV_PAGE_IN uvcall. */ -static int -kvmppc_svm_page_in(struct vm_area_struct *vma, unsigned long start, +static int kvmppc_svm_page_in(struct vm_area_struct *vma, unsigned long start, unsigned long end, unsigned long gpa, struct kvm *kvm, unsigned long page_shift, bool *downgrade) { @@ -450,8 +449,8 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * In the former case, uses dev_pagemap_ops.migrate_to_ram handler * to unmap the device page from QEMU's page tables. */ -static unsigned long -kvmppc_share_page(struct kvm *kvm, unsigned long gpa, unsigned long page_shift) +static unsigned long kvmppc_share_page(struct kvm *kvm, unsigned long gpa, + unsigned long page_shift) { int ret = H_PARAMETER; @@ -500,9 +499,9 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * H_PAGE_IN_SHARED flag makes the page shared which means that the same * memory in is visible from both UV and HV. */ -unsigned long -kvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gpa, - unsigned long flags, unsigned long page_shift) +unsigned long kvmppc_h_svm_page_in(struct kvm *kvm, unsigned long gpa, + unsigned long flags, + unsigned long page_shift) { bool downgrade = false; unsigned long start, end; @@ -559,10 +558,10 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) * Provision a new page on HV side and copy over the contents * from secure memory using UV_PAGE_OUT uvcall. */ -static int -kvmppc_svm_page_out(struct vm_area_struct *vma, unsigned long start, - unsigned long end, unsigned long page_shift, - struct kvm *kvm, unsigned long gpa) +static int kvmppc_svm_page_out(struct vm_area_struct *vma, + unsigned long start, + unsigned long end, unsigned long page_shift, + struct kvm *kvm, unsigned long gpa) { unsigned long src_pfn, dst_pfn = 0; struct migrate_vma mig; -- 1.8.3.1