From: Will Deacon <will@kernel.org>
To: Claire Chang <tientzu@chromium.org>
Cc: "list@263.net:IOMMU DRIVERS <iommu@lists.linux-foundation.org>,
Joerg Roedel <joro@8bytes.org>,"
<iommu@lists.linux-foundation.org>,
lkml <linux-kernel@vger.kernel.org>,
Guenter Roeck <linux@roeck-us.net>,
Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Nathan Chancellor <nathan@kernel.org>
Subject: Re: [PATCH 5/5] swiotlb: Free tbl memory in swiotlb_exit()
Date: Tue, 20 Jul 2021 09:35:31 +0100 [thread overview]
Message-ID: <20210720083530.GA8089@willie-the-truck> (raw)
In-Reply-To: <CALiNf2_Ubi9cynH1Rjy-o87V3MyvdTazv5rO=sggNai0WJZ81g@mail.gmail.com>
On Tue, Jul 20, 2021 at 11:36:19AM +0800, Claire Chang wrote:
> On Mon, Jul 19, 2021 at 8:31 PM Will Deacon <will@kernel.org> wrote:
> >
> > Although swiotlb_exit() frees the 'slots' metadata array referenced by
> > 'io_tlb_default_mem', it leaves the underlying buffer pages allocated
> > despite no longer being usable.
> >
> > Extend swiotlb_exit() to free the buffer pages as well as the slots
> > array.
> >
> > Cc: Claire Chang <tientzu@chromium.org>
> > Cc: Christoph Hellwig <hch@lst.de>
> > Cc: Robin Murphy <robin.murphy@arm.com>
> > Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> > Tested-by: Nathan Chancellor <nathan@kernel.org>
>
> Tested-by: Claire Chang <tientzu@chromium.org>
Thanks, Claire!
Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: Claire Chang <tientzu@chromium.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
lkml <linux-kernel@vger.kernel.org>,
Nathan Chancellor <nathan@kernel.org>,
"list@263.net:IOMMU DRIVERS <iommu@lists.linux-foundation.org>,
Joerg Roedel <joro@8bytes.org>,
" <iommu@lists.linux-foundation.org>,
Robin Murphy <robin.murphy@arm.com>,
Christoph Hellwig <hch@lst.de>,
Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH 5/5] swiotlb: Free tbl memory in swiotlb_exit()
Date: Tue, 20 Jul 2021 09:35:31 +0100 [thread overview]
Message-ID: <20210720083530.GA8089@willie-the-truck> (raw)
In-Reply-To: <CALiNf2_Ubi9cynH1Rjy-o87V3MyvdTazv5rO=sggNai0WJZ81g@mail.gmail.com>
On Tue, Jul 20, 2021 at 11:36:19AM +0800, Claire Chang wrote:
> On Mon, Jul 19, 2021 at 8:31 PM Will Deacon <will@kernel.org> wrote:
> >
> > Although swiotlb_exit() frees the 'slots' metadata array referenced by
> > 'io_tlb_default_mem', it leaves the underlying buffer pages allocated
> > despite no longer being usable.
> >
> > Extend swiotlb_exit() to free the buffer pages as well as the slots
> > array.
> >
> > Cc: Claire Chang <tientzu@chromium.org>
> > Cc: Christoph Hellwig <hch@lst.de>
> > Cc: Robin Murphy <robin.murphy@arm.com>
> > Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> > Tested-by: Nathan Chancellor <nathan@kernel.org>
>
> Tested-by: Claire Chang <tientzu@chromium.org>
Thanks, Claire!
Will
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next prev parent reply other threads:[~2021-07-20 8:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 12:30 [PATCH 0/5] Fix restricted DMA vs swiotlb_exit() Will Deacon
2021-07-19 12:30 ` Will Deacon
2021-07-19 12:30 ` [PATCH 1/5] of: Return success from of_dma_set_restricted_buffer() when !OF_ADDRESS Will Deacon
2021-07-19 12:30 ` Will Deacon
2021-07-20 3:35 ` Claire Chang
2021-07-20 3:35 ` Claire Chang
2021-07-19 12:30 ` [PATCH 2/5] swiotlb: Point io_default_tlb_mem at static allocation Will Deacon
2021-07-19 12:30 ` Will Deacon
2021-07-20 3:35 ` Claire Chang
2021-07-20 3:35 ` Claire Chang
2021-07-20 7:51 ` Christoph Hellwig
2021-07-20 7:51 ` Christoph Hellwig
2021-07-20 8:49 ` Will Deacon
2021-07-20 8:49 ` Will Deacon
2021-07-19 12:30 ` [PATCH 3/5] swiotlb: Remove io_tlb_default_mem indirection Will Deacon
2021-07-19 12:30 ` Will Deacon
2021-07-20 3:35 ` Claire Chang
2021-07-20 3:35 ` Claire Chang
2021-07-19 12:30 ` [PATCH 4/5] swiotlb: Emit diagnostic in swiotlb_exit() Will Deacon
2021-07-19 12:30 ` Will Deacon
2021-07-20 3:36 ` Claire Chang
2021-07-20 3:36 ` Claire Chang
2021-07-19 12:30 ` [PATCH 5/5] swiotlb: Free tbl memory " Will Deacon
2021-07-19 12:30 ` Will Deacon
2021-07-20 3:36 ` Claire Chang
2021-07-20 3:36 ` Claire Chang
2021-07-20 8:35 ` Will Deacon [this message]
2021-07-20 8:35 ` Will Deacon
2021-07-20 7:51 ` [PATCH 0/5] Fix restricted DMA vs swiotlb_exit() Christoph Hellwig
2021-07-20 7:51 ` Christoph Hellwig
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