linux-kernel - [RFC PATCH 0/2] dma_direct_{alloc,free}() for Hyper-V IVMs

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Date:   Wed,  6 Jul 2022 21:50:25 +0200
From:   "Andrea Parri (Microsoft)" <parri.andrea@...il.com>
To:     Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Anvin <hpa@...or.com>
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        iommu@...ts.linux.dev, linux-hyperv@...r.kernel.org,
        x86@...nel.org, "Andrea Parri (Microsoft)" <parri.andrea@...il.com>
Subject: [RFC PATCH 0/2] dma_direct_{alloc,free}() for Hyper-V IVMs

Through swiotlb_unencrypted_base.

P.S.  I'm on vacation for the next couple of weeks starting next Monday;
Dexuan/Michael should be able to address review feedback in that period.

Andrea Parri (Microsoft) (2):
  swiotlb,dma-direct: Move swiotlb_unencrypted_base to direct.c
  dma-direct: Fix dma_direct_{alloc,free}() for Hyperv-V IVMs

 arch/x86/kernel/cpu/mshyperv.c |  6 +++---
 include/linux/dma-direct.h     |  2 ++
 include/linux/swiotlb.h        |  2 --
 kernel/dma/direct.c            | 38 +++++++++++++++++++++++++++++++++-
 kernel/dma/swiotlb.c           | 12 +++++------
 5 files changed, 47 insertions(+), 13 deletions(-)

-- 
2.25.1