linux-kernel - Re: [PATCH] PCI: Add Wellsburg (X99) to Intel PCH root port ACS quirk

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Message-ID: <20150123231814.GT29776@google.com>
Date:	Fri, 23 Jan 2015 17:18:14 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	linux-pci@...r.kernel.org, donald.d.dugger@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: Add Wellsburg (X99) to Intel PCH root port ACS quirk

On Thu, Jan 22, 2015 at 11:15:43AM -0700, Alex Williamson wrote:
> Intel has confirmed that the Wellsburg chipset, while not reporting
> ACS, does provide the proper isolation through the RCBA/BSPR
> registers, so the same quirk works for this set of device IDs.
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
> Cc: Don Dugger <donald.d.dugger@...el.com>

Applied with Don's ack to pci/virtualization for v3.20, thanks!

> ---
> 
>  drivers/pci/quirks.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index ed6f89b..2cdb789 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -3630,6 +3630,9 @@ static const u16 pci_quirk_intel_pch_acs_ids[] = {
>  	0x9c98, 0x9c99, 0x9c9a, 0x9c9b,
>  	/* Patsburg (X79) PCH */
>  	0x1d10, 0x1d12, 0x1d14, 0x1d16, 0x1d18, 0x1d1a, 0x1d1c, 0x1d1e,
> +	/* Wellsburg (X99) PCH */
> +	0x8d10, 0x8d11, 0x8d12, 0x8d13, 0x8d14, 0x8d15, 0x8d16, 0x8d17,
> +	0x8d18, 0x8d19, 0x8d1a, 0x8d1b, 0x8d1c, 0x8d1d, 0x8d1e,
>  };
>  
>  static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev)
> 
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