From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ravi V Shankar <ravi.v.shankar@intel.com>,
catalin.marinas@arm.com, robin.murphy@arm.com,
Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.org, iommu@lists.linux-foundation.org,
Tony Luck <tony.luck@intel.com>,
zhangfei.gao@linaro.org, Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v10 01/13] mm: Define pasid in mm
Date: Wed, 30 Sep 2020 11:13:11 +0200 [thread overview]
Message-ID: <20200930091311.GB1897266@myrica> (raw)
In-Reply-To: <20200928224326.GA3252736@otcwcpicx6.sc.intel.com>
On Mon, Sep 28, 2020 at 10:43:26PM +0000, Fenghua Yu wrote:
> Hi, Will and Jean,
>
> On Mon, Sep 28, 2020 at 11:22:51PM +0100, Will Deacon wrote:
> > On Fri, Sep 18, 2020 at 12:18:41PM +0200, Jean-Philippe Brucker wrote:
> > > From: Fenghua Yu <fenghua.yu@intel.com>
> > >
> > > PASID is shared by all threads in a process. So the logical place to keep
> > > track of it is in the "mm". Both ARM and X86 need to use the PASID in the
> > > "mm".
> > >
> > > Suggested-by: Christoph Hellwig <hch@infradead.org>
> > > Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
> > > Reviewed-by: Tony Luck <tony.luck@intel.com>
> > > ---
> > > https://lore.kernel.org/linux-iommu/1600187413-163670-8-git-send-email-fenghua.yu@intel.com/
> > > ---
> > > include/linux/mm_types.h | 4 ++++
> > > 1 file changed, 4 insertions(+)
> >
> > Acked-by: Will Deacon <will@kernel.org>
>
> FYI. This patch is in x86 maintainers tree tip:x86/pasid now as part of
> the x86 PASID MSR series.
Ah I missed that, glad to see it in v5.10
Thanks,
Jean
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next prev parent reply other threads:[~2020-09-30 9:13 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-18 10:18 [PATCH v10 00/13] iommu: Shared Virtual Addressing for SMMUv3 (PT sharing part) Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 01/13] mm: Define pasid in mm Jean-Philippe Brucker
2020-09-28 22:22 ` Will Deacon
2020-09-28 22:43 ` Fenghua Yu
2020-09-30 9:13 ` Jean-Philippe Brucker [this message]
2020-09-18 10:18 ` [PATCH v10 02/13] iommu/ioasid: Add ioasid references Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 03/13] iommu/sva: Add PASID helpers Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 04/13] arm64: mm: Pin down ASIDs for sharing mm with devices Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 05/13] iommu/io-pgtable-arm: Move some definitions to a header Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 06/13] arm64: cpufeature: Export symbol read_sanitised_ftr_reg() Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 07/13] iommu/arm-smmu-v3: Move definitions to a header Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 08/13] iommu/arm-smmu-v3: Share process page tables Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 09/13] iommu/arm-smmu-v3: Seize private ASID Jean-Philippe Brucker
2020-09-18 13:07 ` Jonathan Cameron
2020-09-18 10:18 ` [PATCH v10 10/13] iommu/arm-smmu-v3: Check for SVA features Jean-Philippe Brucker
2020-09-21 8:59 ` Shameerali Kolothum Thodi
2020-09-24 10:13 ` Jean-Philippe Brucker
2020-09-24 11:13 ` Shameerali Kolothum Thodi
2020-12-09 19:49 ` Krishna Reddy
2020-12-09 20:07 ` Will Deacon
2020-12-09 20:38 ` Krishna Reddy
2020-12-14 9:32 ` Jean-Philippe Brucker
2020-12-14 23:23 ` Krishna Reddy
2020-09-18 10:18 ` [PATCH v10 11/13] iommu/arm-smmu-v3: Add SVA device feature Jean-Philippe Brucker
2020-12-15 1:09 ` Krishna Reddy
2021-01-06 10:09 ` Jean-Philippe Brucker
2021-01-06 17:23 ` Krishna Reddy
2020-09-18 10:18 ` [PATCH v10 12/13] iommu/arm-smmu-v3: Implement iommu_sva_bind/unbind() Jean-Philippe Brucker
2020-11-24 23:58 ` Jason Gunthorpe
2020-11-25 9:27 ` Jean-Philippe Brucker
2020-11-26 0:37 ` Jason Gunthorpe
2020-09-18 10:18 ` [PATCH v10 13/13] iommu/arm-smmu-v3: Hook up ATC invalidation to mm ops Jean-Philippe Brucker
2020-09-18 13:15 ` [PATCH v10 00/13] iommu: Shared Virtual Addressing for SMMUv3 (PT sharing part) Jonathan Cameron
2020-09-28 16:47 ` Jean-Philippe Brucker
2020-09-28 17:23 ` Will Deacon
2020-09-28 22:39 ` Will Deacon
2020-09-30 9:12 ` Jean-Philippe Brucker
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