linux-kernel - Re: [PATCH 1/2] genirq/msi: Clean up usage of __u8/_

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Date:   Fri, 8 Feb 2019 13:44:45 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        Marc Zyngier <marc.zyngier@....com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/2] genirq/msi: Clean up usage of __u8/__u16 types

[+cc Marc, Thomas]

On Fri, Feb 08, 2019 at 09:54:38AM -0700, Logan Gunthorpe wrote:
> The double underscore types are meant for compatibility in userspace
> headers which does not apply here. Therefore, change to use the
> standard no-underscore types.
> 
> The origin of the double underscore types dates back to before the
> git era so I was not able to find a commit to see the original
> justification.
> 
> Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
> Cc: Bjorn Helgaas <helgaas@...nel.org>

I applied both of these:

  PCI: Clean up usage of __u32 type
  genirq/msi: Clean up usage of __u8/__u16 types

to pci/misc for v5.1, thanks!

> ---
>  include/linux/msi.h | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/include/linux/msi.h b/include/linux/msi.h
> index 784fb52b9900..7e9b81c3b50d 100644
> --- a/include/linux/msi.h
> +++ b/include/linux/msi.h
> @@ -83,12 +83,12 @@ struct msi_desc {
>  		struct {
>  			u32 masked;
>  			struct {
> -				__u8	is_msix		: 1;
> -				__u8	multiple	: 3;
> -				__u8	multi_cap	: 3;
> -				__u8	maskbit		: 1;
> -				__u8	is_64		: 1;
> -				__u16	entry_nr;
> +				u8	is_msix		: 1;
> +				u8	multiple	: 3;
> +				u8	multi_cap	: 3;
> +				u8	maskbit		: 1;
> +				u8	is_64		: 1;
> +				u16	entry_nr;
>  				unsigned default_irq;
>  			} msi_attrib;
>  			union {
> -- 
> 2.19.0
>