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From: Hanjun Guo <>
To: Bjorn Helgaas <>
Cc: Bjorn Helgaas <>, <>,
	"Alex Williamson" <>,
	Donald Dutile <>
Subject: Re: [PATCH] PCI: Put the IVRS table in AMD ACS quirk handler
Date: Thu, 30 Jul 2020 14:14:43 +0800
Message-ID: <> (raw)
In-Reply-To: <20200729230242.GA1974304@bjorn-Precision-5520>

On 2020/7/30 7:02, Bjorn Helgaas wrote:
> [+cc Alex, Don]
> On Wed, Jul 22, 2020 at 05:44:28PM +0800, Hanjun Guo wrote:
>> The acpi_get_table() should be coupled with acpi_put_table() if
>> the mapped table is not used at runtime to release the table
>> mapping.
>> In pci_quirk_amd_sb_acs(), IVRS table is just used for checking
>> AMD IOMMU is supported, not used at runtime, put the table after
>> using it.
>> Signed-off-by: Hanjun Guo <>
> Applied to pci/virtualization for v5.9, thanks!
> I added this:
>    Fixes: 15b100dfd1c9 ("PCI: Claim ACS support for AMD southbridge devices")
> but I didn't add a stable tag.  Does this cause any issue that would
> warrant a stable tag?

We don't have one when I was sending same function patch for ACPI
subsystem, so I think it's OK to without a stable tag for this
patch as well.


  reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-22  9:44 Hanjun Guo
2020-07-29 23:02 ` Bjorn Helgaas
2020-07-30  6:14   ` Hanjun Guo [this message]
2020-07-30 16:30     ` Don Dutile

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