From: Tianyu Lan <ltykernel@gmail.com>
To: Wei Liu <wei.liu@kernel.org>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
sthemmin@microsoft.com, decui@microsoft.com, tglx@linutronix.de,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
x86@kernel.org, hpa@zytor.com, jgross@suse.com,
sstabellini@kernel.org, boris.ostrovsky@oracle.com,
joro@8bytes.org, will@kernel.org, davem@davemloft.net,
kuba@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com,
arnd@arndb.de, hch@infradead.org, m.szyprowski@samsung.com,
robin.murphy@arm.com, Tianyu.Lan@microsoft.com,
thomas.lendacky@amd.com, xen-devel@lists.xenproject.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,
brijesh.singh@amd.com, konrad.wilk@oracle.com, hch@lst.de,
parri.andrea@gmail.com, dave.hansen@intel.com
Subject: Re: [PATCH V3 3/5] hyperv/IOMMU: Enable swiotlb bounce buffer for Isolation VM
Date: Fri, 3 Dec 2021 19:25:52 +0800 [thread overview]
Message-ID: <4006e942-b6bf-ac21-c56b-4719e514dbd2@gmail.com> (raw)
In-Reply-To: <20211202144336.z2sfs6kw5kdsfqgv@liuwe-devbox-debian-v2>
On 12/2/2021 10:43 PM, Wei Liu wrote:
> On Wed, Dec 01, 2021 at 11:02:54AM -0500, Tianyu Lan wrote:
> [...]
>> diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c
>> index 46df59aeaa06..30fd0600b008 100644
>> --- a/arch/x86/xen/pci-swiotlb-xen.c
>> +++ b/arch/x86/xen/pci-swiotlb-xen.c
>> @@ -4,6 +4,7 @@
>>
>> #include <linux/dma-map-ops.h>
>> #include <linux/pci.h>
>> +#include <linux/hyperv.h>
>> #include <xen/swiotlb-xen.h>
>>
>> #include <asm/xen/hypervisor.h>
>> @@ -91,6 +92,6 @@ int pci_xen_swiotlb_init_late(void)
>> EXPORT_SYMBOL_GPL(pci_xen_swiotlb_init_late);
>>
>> IOMMU_INIT_FINISH(pci_xen_swiotlb_detect,
>> - NULL,
>> + hyperv_swiotlb_detect,
>
> It is not immediately obvious why this is needed just by reading the
> code. Please consider copying some of the text in the commit message to
> a comment here.
>
Thanks for suggestion. Will update.
next prev parent reply other threads:[~2021-12-03 11:26 UTC|newest]
Thread overview: 19+ 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 ` [PATCH V3 1/5] Swiotlb: Add Swiotlb bounce buffer remap function for HV IVM Tianyu Lan
2021-12-02 14:42 ` Tom Lendacky
2021-12-03 11:20 ` Tianyu Lan
2021-12-03 19:11 ` Tom Lendacky
2021-12-03 20:06 ` Tom Lendacky
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
2021-12-02 14:39 ` Wei Liu
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
2021-12-02 14:43 ` Wei Liu
2021-12-03 11:25 ` Tianyu Lan [this message]
2021-12-03 19:17 ` Michael Kelley (LINUX)
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 ` [PATCH V3 5/5] hv_netvsc: Add Isolation VM support for netvsc driver Tianyu Lan
2021-12-03 18:59 ` Michael Kelley (LINUX)
2021-12-04 7:42 ` Tianyu Lan
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