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From: Hanjun Guo <guohanjun@huawei.com>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Vineet Gupta <vgupta@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Huacai Chen <chenhuacai@kernel.org>,
	WANG Xuerui <kernel@xen0n.name>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Sudeep Holla <sudeep.holla@arm.com>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Lu Baolu <baolu.lu@linux.intel.com>,
	Niklas Schnelle <schnelle@linux.ibm.com>,
	Matthew Rosato <mjrosato@linux.ibm.com>,
	Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Jason Gunthorpe <jgg@ziepe.ca>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-acpi@vger.kernel.org>, <iommu@lists.linux.dev>,
	<devicetree@vger.kernel.org>, Jason Gunthorpe <jgg@nvidia.com>
Subject: Re: [PATCH v3 3/7] ACPI/IORT: Handle memory address size limits as limits
Date: Sat, 24 Feb 2024 19:43:27 +0800	[thread overview]
Message-ID: <ab2099fd-b0b7-63d3-bdba-a4462ec230a8@huawei.com> (raw)
In-Reply-To: <5d52d580bf33d475053f9b05188fe3541cbe8798.1707493264.git.robin.murphy@arm.com>

On 2024/2/10 0:50, Robin Murphy wrote:
> Return the Root Complex/Named Component memory address size limit as an
> inclusive limit value, rather than an exclusive size. This saves having
> to fudge an off-by-one for the 64-bit case, and simplifies our caller.
> 
> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
> v2: Avoid undefined shifts (grr...)
> ---
>   drivers/acpi/arm64/dma.c  |  9 +++------
>   drivers/acpi/arm64/iort.c | 20 ++++++++++----------
>   include/linux/acpi_iort.h |  4 ++--
>   3 files changed, 15 insertions(+), 18 deletions(-)

This also makes the code easier to read,

Acked-by: Hanjun Guo <guohanjun@huawei.com>

Thanks
Hanjun

  reply	other threads:[~2024-02-24 11:43 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-09 16:49 [PATCH v3 0/7] dma-mapping: Simplify arch_setup_dma_ops() Robin Murphy
2024-02-09 16:49 ` [PATCH v3 1/7] OF: Retire dma-ranges mask workaround Robin Murphy
2024-02-09 16:49 ` [PATCH v3 2/7] OF: Simplify DMA range calculations Robin Murphy
2024-02-09 16:50 ` [PATCH v3 3/7] ACPI/IORT: Handle memory address size limits as limits Robin Murphy
2024-02-24 11:43   ` Hanjun Guo [this message]
2024-02-09 16:50 ` [PATCH v3 4/7] dma-mapping: Add helpers for dma_range_map bounds Robin Murphy
2024-02-24 11:47   ` Hanjun Guo
2024-02-09 16:50 ` [PATCH v3 5/7] iommu/dma: Make limit checks self-contained Robin Murphy
2024-02-09 16:50 ` [PATCH v3 6/7] iommu/dma: Centralise iommu_setup_dma_ops() Robin Murphy
2024-02-10 11:27   ` Baolu Lu
2024-03-08 20:37   ` Jason Gunthorpe
2024-02-09 16:50 ` [PATCH v3 7/7] dma-mapping: Simplify arch_setup_dma_ops() Robin Murphy
2024-02-09 19:37   ` Michael Kelley
2024-03-08 20:37   ` Jason Gunthorpe
2024-02-24 11:32 ` [PATCH v3 0/7] " Hanjun Guo
2024-03-06 12:02 ` Robin Murphy
2024-03-06 12:10   ` Christoph Hellwig

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