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Re: [RFC PATCH V3 11/11] HV/Storvsc: Add Isolation VM support for storvsc driver
- To: Tianyu Lan <ltykernel@xxxxxxxxx>
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Mon, 7 Jun 2021 08:46:03 +0200
- Cc: kys@xxxxxxxxxxxxx, haiyangz@xxxxxxxxxxxxx, sthemmin@xxxxxxxxxxxxx, wei.liu@xxxxxxxxxx, decui@xxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, x86@xxxxxxxxxx, hpa@xxxxxxxxx, arnd@xxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, luto@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, rppt@xxxxxxxxxx, hannes@xxxxxxxxxxx, cai@xxxxxx, krish.sadhukhan@xxxxxxxxxx, saravanand@xxxxxx, Tianyu.Lan@xxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, hch@xxxxxx, m.szyprowski@xxxxxxxxxxx, robin.murphy@xxxxxxx, boris.ostrovsky@xxxxxxxxxx, jgross@xxxxxxxx, sstabellini@xxxxxxxxxx, joro@xxxxxxxxxx, will@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, kuba@xxxxxxxxxx, jejb@xxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, vkuznets@xxxxxxxxxx, thomas.lendacky@xxxxxxx, brijesh.singh@xxxxxxx, sunilmut@xxxxxxxxxxxxx
- Delivery-date: Mon, 07 Jun 2021 06:46:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Sun, May 30, 2021 at 11:06:28AM -0400, Tianyu Lan wrote:
> + for (i = 0; i < request->hvpg_count; i++)
> + dma_unmap_page(&device->device,
> +
> request->dma_range[i].dma,
> +
> request->dma_range[i].mapping_size,
> +
> request->vstor_packet.vm_srb.data_in
> + == READ_TYPE ?
> + DMA_FROM_DEVICE :
> DMA_TO_DEVICE);
> + kfree(request->dma_range);
Unreadably long lines. You probably want to factor the quoted code into
a little readable helper and do the same for the map side.
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