From: Wei Liu <wei.liu@kernel.org>
To: Tianyu Lan <ltykernel@gmail.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com,
tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
x86@kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com,
luto@kernel.org, peterz@infradead.org, konrad.wilk@oracle.com,
boris.ostrovsky@oracle.com, jgross@suse.com,
sstabellini@kernel.org, joro@8bytes.org, will@kernel.org,
davem@davemloft.net, kuba@kernel.org, jejb@linux.ibm.com,
martin.petersen@oracle.com, arnd@arndb.de, hch@lst.de,
m.szyprowski@samsung.com, robin.murphy@arm.com,
thomas.lendacky@amd.com, brijesh.singh@amd.com, ardb@kernel.org,
Tianyu.Lan@microsoft.com, pgonda@google.com,
martin.b.radev@gmail.com, akpm@linux-foundation.org,
kirill.shutemov@linux.intel.com, rppt@kernel.org,
sfr@canb.auug.org.au, saravanand@fb.com,
krish.sadhukhan@oracle.com, aneesh.kumar@linux.ibm.com,
xen-devel@lists.xenproject.org, rientjes@google.com,
hannes@cmpxchg.org, tj@kernel.org,
michael.h.kelley@microsoft.com, iommu@lists.linux-foundation.org,
linux-arch@vger.kernel.org, linux-hyperv@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
netdev@vger.kernel.org, vkuznets@redhat.com,
parri.andrea@gmail.com, dave.hansen@intel.com
Subject: Re: [PATCH V3 01/13] x86/HV: Initialize GHCB page in Isolation VM
Date: Tue, 10 Aug 2021 10:56:09 +0000 [thread overview]
Message-ID: <20210810105609.soi67eg2us5w7yuq@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20210809175620.720923-2-ltykernel@gmail.com>
On Mon, Aug 09, 2021 at 01:56:05PM -0400, Tianyu Lan wrote:
[...]
> static int hv_cpu_init(unsigned int cpu)
> {
> union hv_vp_assist_msr_contents msr = { 0 };
> @@ -85,6 +111,8 @@ static int hv_cpu_init(unsigned int cpu)
> }
> }
>
> + hyperv_init_ghcb();
> +
Why is the return value not checked here? If that's not required, can
you leave a comment?
Wei.
WARNING: multiple messages have this Message-ID (diff)
From: Wei Liu <wei.liu@kernel.org>
To: Tianyu Lan <ltykernel@gmail.com>
Cc: parri.andrea@gmail.com, linux-hyperv@vger.kernel.org,
brijesh.singh@amd.com, peterz@infradead.org,
dave.hansen@linux.intel.com, vkuznets@redhat.com, hpa@zytor.com,
kys@microsoft.com, will@kernel.org, boris.ostrovsky@oracle.com,
linux-arch@vger.kernel.org, sfr@canb.auug.org.au,
wei.liu@kernel.org, sstabellini@kernel.org,
sthemmin@microsoft.com, xen-devel@lists.xenproject.org,
linux-scsi@vger.kernel.org, aneesh.kumar@linux.ibm.com,
x86@kernel.org, decui@microsoft.com, hch@lst.de,
michael.h.kelley@microsoft.com, mingo@redhat.com,
pgonda@google.com, rientjes@google.com, kuba@kernel.org,
jejb@linux.ibm.com, martin.b.radev@gmail.com,
thomas.lendacky@amd.com, Tianyu.Lan@microsoft.com, arnd@arndb.de,
konrad.wilk@oracle.com, haiyangz@microsoft.com, bp@alien8.de,
luto@kernel.org, krish.sadhukhan@oracle.com, tglx@linutronix.de,
akpm@linux-foundation.org, jgross@suse.com,
martin.petersen@oracle.com, saravanand@fb.com,
netdev@vger.kernel.org, dave.hansen@intel.com,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
rppt@kernel.org, hannes@cmpxchg.org, tj@kernel.org,
ardb@kernel.org, robin.murphy@arm.com, davem@davemloft.net,
kirill.shutemov@linux.intel.com
Subject: Re: [PATCH V3 01/13] x86/HV: Initialize GHCB page in Isolation VM
Date: Tue, 10 Aug 2021 10:56:09 +0000 [thread overview]
Message-ID: <20210810105609.soi67eg2us5w7yuq@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20210809175620.720923-2-ltykernel@gmail.com>
On Mon, Aug 09, 2021 at 01:56:05PM -0400, Tianyu Lan wrote:
[...]
> static int hv_cpu_init(unsigned int cpu)
> {
> union hv_vp_assist_msr_contents msr = { 0 };
> @@ -85,6 +111,8 @@ static int hv_cpu_init(unsigned int cpu)
> }
> }
>
> + hyperv_init_ghcb();
> +
Why is the return value not checked here? If that's not required, can
you leave a comment?
Wei.
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next prev parent reply other threads:[~2021-08-10 10:56 UTC|newest]
Thread overview: 128+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-09 17:56 [PATCH V3 00/13] x86/Hyper-V: Add Hyper-V Isolation VM support Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 01/13] x86/HV: Initialize GHCB page in Isolation VM Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-10 10:56 ` Wei Liu [this message]
2021-08-10 10:56 ` Wei Liu
2021-08-10 12:17 ` Tianyu Lan
2021-08-10 12:17 ` Tianyu Lan
2021-08-12 19:14 ` Michael Kelley
2021-08-12 19:14 ` Michael Kelley via iommu
2021-08-13 15:46 ` Tianyu Lan
2021-08-13 15:46 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 02/13] x86/HV: Initialize shared memory boundary in the " Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-12 19:18 ` Michael Kelley
2021-08-12 19:18 ` Michael Kelley via iommu
2021-08-14 13:32 ` Tianyu Lan
2021-08-14 13:32 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 03/13] x86/HV: Add new hvcall guest address host visibility support Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-09 22:12 ` Dave Hansen
2021-08-09 22:12 ` Dave Hansen
2021-08-10 13:09 ` Tianyu Lan
2021-08-10 13:09 ` Tianyu Lan
2021-08-10 11:03 ` Wei Liu
2021-08-10 11:03 ` Wei Liu
2021-08-10 12:25 ` Tianyu Lan
2021-08-10 12:25 ` Tianyu Lan
2021-08-12 19:36 ` Michael Kelley
2021-08-12 19:36 ` Michael Kelley via iommu
2021-08-12 21:10 ` Michael Kelley
2021-08-12 21:10 ` Michael Kelley via iommu
2021-08-09 17:56 ` [PATCH V3 04/13] HV: Mark vmbus ring buffer visible to host in Isolation VM Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-12 22:20 ` Michael Kelley
2021-08-12 22:20 ` Michael Kelley via iommu
2021-08-15 15:21 ` Tianyu Lan
2021-08-15 15:21 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 05/13] HV: Add Write/Read MSR registers via ghcb page Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-13 19:31 ` Michael Kelley
2021-08-13 19:31 ` Michael Kelley via iommu
2021-08-13 20:26 ` Michael Kelley
2021-08-13 20:26 ` Michael Kelley via iommu
2021-08-24 8:45 ` Christoph Hellwig
2021-08-24 8:45 ` Christoph Hellwig
2021-08-09 17:56 ` [PATCH V3 06/13] HV: Add ghcb hvcall support for SNP VM Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-13 20:42 ` Michael Kelley
2021-08-13 20:42 ` Michael Kelley via iommu
2021-08-09 17:56 ` [PATCH V3 07/13] HV/Vmbus: Add SNP support for VMbus channel initiate message Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-13 21:28 ` Michael Kelley
2021-08-13 21:28 ` Michael Kelley via iommu
2021-08-09 17:56 ` [PATCH V3 08/13] HV/Vmbus: Initialize VMbus ring buffer for Isolation VM Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-16 17:28 ` Michael Kelley
2021-08-16 17:28 ` Michael Kelley via iommu
2021-08-17 15:36 ` Tianyu Lan
2021-08-17 15:36 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 09/13] DMA: Add dma_map_decrypted/dma_unmap_encrypted() function Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-12 12:26 ` Christoph Hellwig
2021-08-12 12:26 ` Christoph Hellwig
2021-08-12 15:38 ` Tianyu Lan
2021-08-12 15:38 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 10/13] x86/Swiotlb: Add Swiotlb bounce buffer remap function for HV IVM Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-12 12:27 ` Christoph Hellwig
2021-08-12 12:27 ` Christoph Hellwig
2021-08-13 17:58 ` Tianyu Lan
2021-08-13 17:58 ` Tianyu Lan
2021-08-16 14:50 ` Tianyu Lan
2021-08-16 14:50 ` Tianyu Lan
2021-08-19 8:49 ` Christoph Hellwig
2021-08-19 8:49 ` Christoph Hellwig
2021-08-19 9:59 ` Tianyu Lan
2021-08-19 9:59 ` Tianyu Lan
2021-08-19 10:02 ` Christoph Hellwig
2021-08-19 10:02 ` Christoph Hellwig
2021-08-19 10:03 ` Tianyu Lan
2021-08-19 10:03 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 11/13] HV/IOMMU: Enable swiotlb bounce buffer for Isolation VM Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-19 18:11 ` Michael Kelley
2021-08-19 18:11 ` Michael Kelley via iommu
2021-08-20 4:13 ` hch
2021-08-20 4:13 ` hch
2021-08-20 9:32 ` Tianyu Lan
2021-08-20 9:32 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 12/13] HV/Netvsc: Add Isolation VM support for netvsc driver Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-19 18:14 ` Michael Kelley
2021-08-19 18:14 ` Michael Kelley via iommu
2021-08-20 4:21 ` hch
2021-08-20 4:21 ` hch
2021-08-20 13:11 ` Tianyu Lan
2021-08-20 13:11 ` Tianyu Lan
2021-08-20 13:30 ` Tom Lendacky
2021-08-20 13:30 ` Tom Lendacky via iommu
2021-08-20 18:20 ` Tianyu Lan
2021-08-20 18:20 ` Tianyu Lan
2021-08-09 17:56 ` [PATCH V3 13/13] HV/Storvsc: Add Isolation VM support for storvsc driver Tianyu Lan
2021-08-09 17:56 ` Tianyu Lan
2021-08-19 18:17 ` Michael Kelley
2021-08-19 18:17 ` Michael Kelley via iommu
2021-08-20 4:32 ` hch
2021-08-20 4:32 ` hch
2021-08-20 15:40 ` Michael Kelley
2021-08-20 15:40 ` Michael Kelley via iommu
2021-08-24 8:49 ` min_align_mask " hch
2021-08-24 8:49 ` hch
2021-08-20 16:01 ` Tianyu Lan
2021-08-20 16:01 ` Tianyu Lan
2021-08-20 15:20 ` Tianyu Lan
2021-08-20 15:20 ` Tianyu Lan
2021-08-20 15:37 ` Tianyu Lan
2021-08-20 15:37 ` Tianyu Lan
2021-08-20 16:08 ` Michael Kelley via iommu
2021-08-20 16:08 ` Michael Kelley
2021-08-20 18:04 ` Tianyu Lan
2021-08-20 18:04 ` Tianyu Lan
2021-08-20 19:22 ` Michael Kelley
2021-08-20 19:22 ` Michael Kelley via iommu
2021-08-24 8:46 ` hch
2021-08-24 8:46 ` hch
2021-08-16 14:55 ` [PATCH V3 00/13] x86/Hyper-V: Add Hyper-V Isolation VM support Michael Kelley
2021-08-16 14:55 ` Michael Kelley via iommu
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