linux-kernel - Re: [PATCH v15 9/9] PCI/DPC: Disable ERR_NONFATAL and enable ERR

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Message-ID: <20180510132602.GF173327@bhelgaas-glaptop.roam.corp.google.com>
Date:   Thu, 10 May 2018 08:26:02 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Oza Pawandeep <poza@...eaurora.org>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dongdong Liu <liudongdong3@...wei.com>,
        Keith Busch <keith.busch@...el.com>, Wei Zhang <wzhang@...com>,
        Sinan Kaya <okaya@...eaurora.org>,
        Timur Tabi <timur@...eaurora.org>
Subject: Re: [PATCH v15 9/9] PCI/DPC: Disable ERR_NONFATAL and enable
 ERR_FATAL for DPC

On Thu, May 03, 2018 at 01:03:58AM -0400, Oza Pawandeep wrote:
> This patch disables ERR_NONFATAL trigger for DPC, so now DPC
> handles only ERR_FATAL.
> ...

> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index 103ba79..86f1cc2 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -981,6 +981,7 @@
>  #define  PCI_EXP_DPC_CAP_DL_ACTIVE	0x1000	/* ERR_COR signal on DL_Active supported */
>  
>  #define PCI_EXP_DPC_CTL			6	/* DPC control */
> +#define	 PCI_EXP_DPC_CTL_EN_FATAL	0x0001	/* Enable trigger on ERR_FATAL message */

There's a tab instead of a space after the #define.  The other #defines use
a space.  Looks the same in the end, but makes the patch look funny.

>  #define  PCI_EXP_DPC_CTL_EN_NONFATAL 	0x0002	/* Enable trigger on ERR_NONFATAL message */
>  #define  PCI_EXP_DPC_CTL_INT_EN 	0x0008	/* DPC Interrupt Enable */
>  
> -- 
> 2.7.4
>