From: Tianyu Lan <ltykernel@gmail.com>
To: "Michael Kelley (LINUX)" <mikelley@microsoft.com>,
KY Srinivasan <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
"wei.liu@kernel.org" <wei.liu@kernel.org>,
Dexuan Cui <decui@microsoft.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"jgross@suse.com" <jgross@suse.com>,
"sstabellini@kernel.org" <sstabellini@kernel.org>,
"boris.ostrovsky@oracle.com" <boris.ostrovsky@oracle.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"will@kernel.org" <will@kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
"kuba@kernel.org" <kuba@kernel.org>,
"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"hch@infradead.org" <hch@infradead.org>,
"m.szyprowski@samsung.com" <m.szyprowski@samsung.com>,
"robin.murphy@arm.com" <robin.murphy@arm.com>,
Tianyu Lan <Tianyu.Lan@microsoft.com>,
"thomas.lendacky@amd.com" <thomas.lendacky@amd.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: "iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
vkuznets <vkuznets@redhat.com>,
"brijesh.singh@amd.com" <brijesh.singh@amd.com>,
"konrad.wilk@oracle.com" <konrad.wilk@oracle.com>,
"hch@lst.de" <hch@lst.de>,
"parri.andrea@gmail.com" <parri.andrea@gmail.com>,
"dave.hansen@intel.com" <dave.hansen@intel.com>
Subject: Re: [PATCH V3 5/5] hv_netvsc: Add Isolation VM support for netvsc driver
Date: Sat, 4 Dec 2021 15:42:36 +0800 [thread overview]
Message-ID: <448de4ec-b73e-597f-16fe-623123c04d1e@gmail.com> (raw)
In-Reply-To: <MWHPR21MB15934DE25012A8565256336ED76A9@MWHPR21MB1593.namprd21.prod.outlook.com>
On 12/4/2021 2:59 AM, Michael Kelley (LINUX) wrote:
>> +
>> +/*
>> + * hv_map_memory - map memory to extra space in the AMD SEV-SNP Isolation VM.
>> + */
>> +void *hv_map_memory(void *addr, unsigned long size)
>> +{
>> + unsigned long *pfns = kcalloc(size / HV_HYP_PAGE_SIZE,
> This should be just PAGE_SIZE, as this code is unrelated to communication
> with Hyper-V.
>
Yes, agree. Will update.
WARNING: multiple messages have this Message-ID (diff)
From: Tianyu Lan <ltykernel@gmail.com>
To: "Michael Kelley (LINUX)" <mikelley@microsoft.com>,
KY Srinivasan <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
"wei.liu@kernel.org" <wei.liu@kernel.org>,
Dexuan Cui <decui@microsoft.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"jgross@suse.com" <jgross@suse.com>,
"sstabellini@kernel.org" <sstabellini@kernel.org>,
"boris.ostrovsky@oracle.com" <boris.ostrovsky@oracle.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"will@kernel.org" <will@kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
"kuba@kernel.org" <kuba@kernel.org>,
"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"hch@infradead.org" <hch@infradead.org>,
"m.szyprowski@samsung.com" <m.szyprowski@samsung.com>,
"robin.murphy@arm.com" <robin.murphy@arm.com>,
Tianyu Lan <Tianyu.Lan@microsoft.com>,
"thomas.lendacky@amd.com" <thomas.lendacky@amd.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"parri.andrea@gmail.com" <parri.andrea@gmail.com>,
"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
"brijesh.singh@amd.com" <brijesh.singh@amd.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"konrad.wilk@oracle.com" <konrad.wilk@oracle.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dave.hansen@intel.com" <dave.hansen@intel.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
vkuznets <vkuznets@redhat.com>, "hch@lst.de" <hch@lst.de>
Subject: Re: [PATCH V3 5/5] hv_netvsc: Add Isolation VM support for netvsc driver
Date: Sat, 4 Dec 2021 15:42:36 +0800 [thread overview]
Message-ID: <448de4ec-b73e-597f-16fe-623123c04d1e@gmail.com> (raw)
In-Reply-To: <MWHPR21MB15934DE25012A8565256336ED76A9@MWHPR21MB1593.namprd21.prod.outlook.com>
On 12/4/2021 2:59 AM, Michael Kelley (LINUX) wrote:
>> +
>> +/*
>> + * hv_map_memory - map memory to extra space in the AMD SEV-SNP Isolation VM.
>> + */
>> +void *hv_map_memory(void *addr, unsigned long size)
>> +{
>> + unsigned long *pfns = kcalloc(size / HV_HYP_PAGE_SIZE,
> This should be just PAGE_SIZE, as this code is unrelated to communication
> with Hyper-V.
>
Yes, agree. Will update.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-12-04 7:42 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-01 16:02 [PATCH V3 0/5] x86/Hyper-V: Add Hyper-V Isolation VM support(Second part) Tianyu Lan
2021-12-01 16:02 ` Tianyu Lan
2021-12-01 16:02 ` [PATCH V3 1/5] Swiotlb: Add Swiotlb bounce buffer remap function for HV IVM Tianyu Lan
2021-12-01 16:02 ` Tianyu Lan
2021-12-02 14:42 ` Tom Lendacky
2021-12-02 14:42 ` Tom Lendacky via iommu
2021-12-03 11:20 ` Tianyu Lan
2021-12-03 11:20 ` Tianyu Lan
2021-12-03 19:11 ` Tom Lendacky
2021-12-03 19:11 ` Tom Lendacky via iommu
2021-12-03 20:06 ` Tom Lendacky
2021-12-03 20:06 ` Tom Lendacky via iommu
2021-12-04 7:21 ` Tianyu Lan
2021-12-04 7:21 ` Tianyu Lan
2021-12-01 16:02 ` [PATCH V3 2/5] x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has() Tianyu Lan
2021-12-01 16:02 ` Tianyu Lan
2021-12-02 14:39 ` Wei Liu
2021-12-02 14:39 ` Wei Liu
2021-12-03 11:23 ` Tianyu Lan
2021-12-03 11:23 ` Tianyu Lan
2021-12-01 16:02 ` [PATCH V3 3/5] hyperv/IOMMU: Enable swiotlb bounce buffer for Isolation VM Tianyu Lan
2021-12-01 16:02 ` Tianyu Lan
2021-12-02 14:43 ` Wei Liu
2021-12-02 14:43 ` Wei Liu
2021-12-03 11:25 ` Tianyu Lan
2021-12-03 11:25 ` Tianyu Lan
2021-12-03 19:17 ` Michael Kelley (LINUX)
2021-12-03 19:17 ` Michael Kelley (LINUX) via iommu
2021-12-04 7:26 ` Tianyu Lan
2021-12-04 7:26 ` Tianyu Lan
2021-12-01 16:02 ` [PATCH V3 4/5] scsi: storvsc: Add Isolation VM support for storvsc driver Tianyu Lan
2021-12-01 16:02 ` Tianyu Lan
2021-12-01 16:02 ` [PATCH V3 5/5] hv_netvsc: Add Isolation VM support for netvsc driver Tianyu Lan
2021-12-01 16:02 ` Tianyu Lan
2021-12-03 18:59 ` Michael Kelley (LINUX)
2021-12-03 18:59 ` Michael Kelley (LINUX) via iommu
2021-12-04 7:42 ` Tianyu Lan [this message]
2021-12-04 7:42 ` Tianyu Lan
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