From: Christoph Hellwig <hch@lst•de>
To: Robin Murphy <robin.murphy@arm•com>
Cc: Christoph Hellwig <hch@lst•de>, Tianyu Lan <ltykernel@gmail•com>,
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, arnd@arndb•de,
dave.hansen@linux•intel.com, luto@kernel•org,
peterz@infradead•org, akpm@linux-foundation•org,
kirill.shutemov@linux•intel.com, rppt@kernel•org,
hannes@cmpxchg•org, cai@lca•pw, krish.sadhukhan@oracle•com,
saravanand@fb•com, Tianyu.Lan@microsoft•com,
konrad.wilk@oracle•com, m.szyprowski@samsung•com,
boris.ostrovsky@oracle•com, jgross@suse•com,
sstabellini@kernel•org, joro@8bytes•org, will@kernel•org,
xen-devel@lists•xenproject.org, davem@davemloft•net,
kuba@kernel•org, jejb@linux•ibm.com, martin.petersen@oracle•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, thomas.lendacky@amd•com,
brijesh.singh@amd•com, sunilmut@microsoft•com
Subject: Re: [RFC PATCH V3 08/11] swiotlb: Add bounce buffer remap address setting function
Date: Mon, 14 Jun 2021 17:32:52 +0200 [thread overview]
Message-ID: <20210614153252.GA1741@lst.de> (raw)
In-Reply-To: <94038087-a33c-93c5-27bf-7ec1f6f5f0e3@arm.com>
On Mon, Jun 14, 2021 at 02:49:51PM +0100, Robin Murphy wrote:
> FWIW, I think a better generalisation for this would be allowing
> set_memory_decrypted() to return an address rather than implicitly
> operating in-place, and hide all the various hypervisor hooks behind that.
Yes, something like that would be a good idea. As-is
set_memory_decrypted is a pretty horribly API anyway due to passing
the address as void, and taking a size parameter while it works in units
of pages. So I'd very much welcome a major overhaul of this API.
next prev parent reply other threads:[~2021-06-14 15:33 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-30 15:06 [RFC PATCH V3 00/11] x86/Hyper-V: Add Hyper-V Isolation VM support Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 01/11] x86/HV: Initialize GHCB page in Isolation VM Tianyu Lan
2021-06-07 6:41 ` Christoph Hellwig
2021-06-07 8:14 ` Tianyu Lan
2021-06-09 12:38 ` Joerg Roedel
2021-06-10 14:13 ` Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 02/11] x86/HV: Initialize shared memory boundary in the " Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 03/11] x86/Hyper-V: Add new hvcall guest address host visibility support Tianyu Lan
2021-05-30 18:25 ` Borislav Petkov
2021-05-31 4:08 ` Tianyu Lan
2021-06-10 9:47 ` Vitaly Kuznetsov
2021-06-10 14:18 ` Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 04/11] HV: Add Write/Read MSR registers via ghcb Tianyu Lan
2021-06-09 12:46 ` Joerg Roedel
2021-06-10 14:15 ` Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 05/11] HV: Add ghcb hvcall support for SNP VM Tianyu Lan
2021-06-09 12:49 ` Joerg Roedel
2021-05-30 15:06 ` [RFC PATCH V3 06/11] HV/Vmbus: Add SNP support for VMbus channel initiate message Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 07/11] HV/Vmbus: Initialize VMbus ring buffer for Isolation VM Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 08/11] swiotlb: Add bounce buffer remap address setting function Tianyu Lan
2021-06-07 6:43 ` Christoph Hellwig
2021-06-07 14:56 ` Tianyu Lan
2021-06-10 14:25 ` Tianyu Lan
2021-06-14 7:12 ` Christoph Hellwig
2021-06-14 13:29 ` Tom Lendacky
2021-06-14 13:37 ` Tianyu Lan
2021-06-14 13:42 ` Tianyu Lan
2021-06-14 13:49 ` Robin Murphy
2021-06-14 15:32 ` Christoph Hellwig [this message]
2021-06-15 15:24 ` Tianyu Lan
2021-07-12 9:40 ` Tianyu Lan
2021-05-30 15:06 ` [RFC PATCH V3 09/11] HV/IOMMU: Enable swiotlb bounce buffer for Isolation VM Tianyu Lan
2021-06-02 1:16 ` Boris Ostrovsky
2021-06-02 15:01 ` Tianyu Lan
2021-06-02 16:02 ` Boris Ostrovsky
2021-06-03 15:37 ` Tianyu Lan
2021-06-03 17:04 ` Boris Ostrovsky
2021-06-07 6:44 ` Christoph Hellwig
2021-05-30 15:06 ` [RFC PATCH V3 10/11] HV/Netvsc: Add Isolation VM support for netvsc driver Tianyu Lan
2021-06-07 6:50 ` Christoph Hellwig
2021-06-07 15:21 ` Tianyu Lan
2021-06-14 7:09 ` Christoph Hellwig
2021-06-14 14:04 ` Tianyu Lan
2021-06-14 15:33 ` Christoph Hellwig
2021-06-15 14:31 ` Tianyu Lan
2021-06-10 9:52 ` Vitaly Kuznetsov
2021-05-30 15:06 ` [RFC PATCH V3 11/11] HV/Storvsc: Add Isolation VM support for storvsc driver Tianyu Lan
2021-06-07 6:46 ` Christoph Hellwig
2021-06-07 14:59 ` Tianyu Lan
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