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From: Christoph Hellwig <hch@lst.de>
To: Claire Chang <tientzu@chromium.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	Will Deacon <will@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	boris.ostrovsky@oracle.com, jgross@suse.com,
	Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	benh@kernel.crashing.org, paulus@samba.org,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	sstabellini@kernel.org, Robin Murphy <robin.murphy@arm.com>,
	grant.likely@arm.com, xypron.glpk@gmx.de,
	Thierry Reding <treding@nvidia.com>,
	mingo@kernel.org, bauerman@linux.ibm.com, peterz@infradead.org,
	Greg KH <gregkh@linuxfoundation.org>,
	Saravana Kannan <saravanak@google.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	heikki.krogerus@linux.intel.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	linux-devicetree <devicetree@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	linuxppc-dev@lists.ozlabs.org, xen-devel@lists.xenproject.org,
	Nicolas Boichat <drinkcat@chromium.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Tomasz Figa <tfiga@chromium.org>,
	bskeggs@redhat.com, Bjorn Helgaas <bhelgaas@google.com>,
	chris@chris-wilson.co.uk, Daniel Vetter <daniel@ffwll.ch>,
	airlied@linux.ie, dri-devel@lists.freedesktop.org,
	intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com,
	Jianxiong Gao <jxgao@google.com>,
	joonas.lahtinen@linux.intel.com, linux-pci@vger.kernel.org,
	maarten.lankhorst@linux.intel.com, matthew.auld@intel.com,
	rodrigo.vivi@intel.com, thomas.hellstrom@linux.intel.com
Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Mon, 14 Jun 2021 08:20:15 +0200	[thread overview]
Message-ID: <20210614062015.GC28343@lst.de> (raw)
In-Reply-To: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com>

On Fri, Jun 11, 2021 at 11:33:15PM +0800, Claire Chang wrote:
> I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
> swiotlb_late_init_with_default_size is called here
> https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

It will.  It will also break all non-OF devices.  I think you need to
initialize the initial pool in device_initialize, which covers all devices.

WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: Claire Chang <tientzu@chromium.org>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	joonas.lahtinen@linux.intel.com, dri-devel@lists.freedesktop.org,
	chris@chris-wilson.co.uk, grant.likely@arm.com, paulus@samba.org,
	Frank Rowand <frowand.list@gmail.com>,
	mingo@kernel.org, Marek Szyprowski <m.szyprowski@samsung.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	Joerg Roedel <joro@8bytes.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	Jianxiong Gao <jxgao@google.com>, Daniel Vetter <daniel@ffwll.ch>,
	Will Deacon <will@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	maarten.lankhorst@linux.intel.com, airlied@linux.ie,
	Dan Williams <dan.j.williams@intel.com>,
	linuxppc-dev@lists.ozlabs.org, jani.nikula@linux.intel.com,
	Rob Herring <robh+dt@kernel.org>,
	rodrigo.vivi@intel.com, Bjorn Helgaas <bhelgaas@google.com>,
	boris.ostrovsky@oracle.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	jgross@suse.com, Nicolas Boichat <drinkcat@chromium.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Tomasz Figa <tfiga@chromium.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	xypron.glpk@gmx.de, Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Mon, 14 Jun 2021 08:20:15 +0200	[thread overview]
Message-ID: <20210614062015.GC28343@lst.de> (raw)
In-Reply-To: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com>

On Fri, Jun 11, 2021 at 11:33:15PM +0800, Claire Chang wrote:
> I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
> swiotlb_late_init_with_default_size is called here
> https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

It will.  It will also break all non-OF devices.  I think you need to
initialize the initial pool in device_initialize, which covers all devices.

WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: Claire Chang <tientzu@chromium.org>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	benh@kernel.crashing.org, joonas.lahtinen@linux.intel.com,
	dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk,
	grant.likely@arm.com, paulus@samba.org,
	Frank Rowand <frowand.list@gmail.com>,
	mingo@kernel.org, sstabellini@kernel.org,
	Saravana Kannan <saravanak@google.com>,
	mpe@ellerman.id.au,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	Jianxiong Gao <jxgao@google.com>, Daniel Vetter <daniel@ffwll.ch>,
	Will Deacon <will@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	maarten.lankhorst@linux.intel.com, airlied@linux.ie,
	Dan Williams <dan.j.williams@intel.com>,
	linuxppc-dev@lists.ozlabs.org, jani.nikula@linux.intel.com,
	Rob Herring <robh+dt@kernel.org>,
	rodrigo.vivi@intel.com, Bjorn Helgaas <bhelgaas@google.com>,
	boris.ostrovsky@oracle.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	jgross@suse.com, Nicolas Boichat <drinkcat@chromium.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	xypron.glpk@gmx.de, Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Mon, 14 Jun 2021 08:20:15 +0200	[thread overview]
Message-ID: <20210614062015.GC28343@lst.de> (raw)
In-Reply-To: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com>

On Fri, Jun 11, 2021 at 11:33:15PM +0800, Claire Chang wrote:
> I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
> swiotlb_late_init_with_default_size is called here
> https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

It will.  It will also break all non-OF devices.  I think you need to
initialize the initial pool in device_initialize, which covers all devices.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: Claire Chang <tientzu@chromium.org>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	benh@kernel.crashing.org, dri-devel@lists.freedesktop.org,
	chris@chris-wilson.co.uk, grant.likely@arm.com, paulus@samba.org,
	Frank Rowand <frowand.list@gmail.com>,
	mingo@kernel.org, Marek Szyprowski <m.szyprowski@samsung.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	Jianxiong Gao <jxgao@google.com>, Will Deacon <will@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	airlied@linux.ie, Dan Williams <dan.j.williams@intel.com>,
	linuxppc-dev@lists.ozlabs.org, Rob Herring <robh+dt@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	boris.ostrovsky@oracle.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	jgross@suse.com, Nicolas Boichat <drinkcat@chromium.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Tomasz Figa <tfiga@chromium.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	xypron.glpk@gmx.de, Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [Intel-gfx] [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Mon, 14 Jun 2021 08:20:15 +0200	[thread overview]
Message-ID: <20210614062015.GC28343@lst.de> (raw)
In-Reply-To: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com>

On Fri, Jun 11, 2021 at 11:33:15PM +0800, Claire Chang wrote:
> I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
> swiotlb_late_init_with_default_size is called here
> https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

It will.  It will also break all non-OF devices.  I think you need to
initialize the initial pool in device_initialize, which covers all devices.
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2021-06-14  6:20 UTC|newest]

Thread overview: 144+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-11 15:26 [PATCH v9 00/14] Restricted DMA Claire Chang
2021-06-11 15:26 ` [Intel-gfx] " Claire Chang
2021-06-11 15:26 ` Claire Chang
2021-06-11 15:26 ` Claire Chang
2021-06-11 15:26 ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 01/14] swiotlb: Refactor swiotlb init functions Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:16   ` Christoph Hellwig
2021-06-14  6:16     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:16     ` Christoph Hellwig
2021-06-14  6:16     ` Christoph Hellwig
2021-06-15  4:06     ` Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-15  4:06       ` [Intel-gfx] " Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 02/14] swiotlb: Refactor swiotlb_create_debugfs Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:17   ` Christoph Hellwig
2021-06-14  6:17     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:17     ` Christoph Hellwig
2021-06-14  6:17     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:33   ` Claire Chang
2021-06-11 15:33     ` Claire Chang
2021-06-11 15:33     ` [Intel-gfx] " Claire Chang
2021-06-11 15:33     ` Claire Chang
2021-06-11 15:33     ` Claire Chang
2021-06-11 15:33     ` Claire Chang
2021-06-14  6:20     ` Christoph Hellwig [this message]
2021-06-14  6:20       ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:20       ` Christoph Hellwig
2021-06-14  6:20       ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 04/14] swiotlb: Add restricted DMA pool initialization Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:21   ` Christoph Hellwig
2021-06-14  6:21     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 05/14] swiotlb: Update is_swiotlb_buffer to add a struct device argument Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:21   ` Christoph Hellwig
2021-06-14  6:21     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 06/14] swiotlb: Update is_swiotlb_active " Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:34   ` Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-11 15:34     ` [Intel-gfx] " Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-14  6:23   ` Christoph Hellwig
2021-06-14  6:23     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:23     ` Christoph Hellwig
2021-06-14  6:23     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 07/14] swiotlb: Bounce data from/to restricted DMA pool if available Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:25   ` Christoph Hellwig
2021-06-14  6:25     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 08/14] swiotlb: Move alloc_size to find_slots Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:25   ` Christoph Hellwig
2021-06-14  6:25     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 09/14] swiotlb: Refactor swiotlb_tbl_unmap_single Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:26   ` Christoph Hellwig
2021-06-14  6:26     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:26     ` Christoph Hellwig
2021-06-14  6:26     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 10/14] dma-direct: Add a new wrapper __dma_direct_free_pages() Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 11/14] swiotlb: Add restricted DMA alloc/free support Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:28   ` Christoph Hellwig
2021-06-14  6:28     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:28     ` Christoph Hellwig
2021-06-14  6:28     ` Christoph Hellwig
2021-06-14  6:28     ` Christoph Hellwig
2021-06-14  6:28       ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:28       ` Christoph Hellwig
2021-06-14  6:28       ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 12/14] dma-direct: Allocate memory from restricted DMA pool if available Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 13/14] dt-bindings: of: Add restricted DMA pool Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 14/14] of: Add plumbing for " Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 17:37 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Restricted DMA Patchwork
2021-06-15 13:30 ` [PATCH v9 00/14] " Claire Chang
2021-06-15 13:30   ` Claire Chang
2021-06-15 13:30   ` [Intel-gfx] " Claire Chang
2021-06-15 13:30   ` Claire Chang
2021-06-15 13:30   ` Claire Chang
2021-06-15 13:30   ` Claire Chang

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