Re: [PATCH v3 03/10] smartpqi: add-module parameter disable_managed_interrupts

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Hi Don,

Subject: Re: [PATCH v3 03/10] smartpqi: add-module parameter
 disable_managed_interrupts

I don't understand this subject.  Can you please rewrite or explain?

Thanks,

Alex

On Tue, Sep 26, 2023 at 02:11:58PM -0500, Don Brace wrote:
> Add in a description for module parameter disable_managed_interrupts.
> 
> This module parameter allows users to change interrupt affinity
> by echoing values into /proc/irq/<irq number>/*affinity.
> 
> Reviewed-by: Scott Benesh <scott.benesh@xxxxxxxxxxxxx>
> Reviewed-by: Scott Teel <scott.teel@xxxxxxxxxxxxx>
> Reviewed-by: Mike McGowen <mike.mcgowen@xxxxxxxxxxxxx>
> Reviewed-by: Kevin Barnett <kevin.barnett@xxxxxxxxxxxxx>
> Signed-off-by: Don Brace <don.brace@xxxxxxxxxxxxx>
> ---
>  man4/smartpqi.4 | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/man4/smartpqi.4 b/man4/smartpqi.4
> index 428d79a19840..613ef330aef1 100644
> --- a/man4/smartpqi.4
> +++ b/man4/smartpqi.4
> @@ -16,6 +16,7 @@ smartpqi \- Microchip Smart Storage SCSI driver
>  .RB [ lockup_action= { none | reboot | panic }]
>  .RB [ expose_ld_first= { 0 | 1 }]
>  .RB [ hide_vsep= { 0 | 1 }]
> +.RB [ disable_managed_interrupts= { 0 | 1 }]
>  .YS
>  .SH DESCRIPTION
>  .B smartpqi
> @@ -100,6 +101,12 @@ The default value is 0 (physical devices exposed first).
>  .BR hide_vsep= { 0 | 1 }
>  This option disables exposure of the virtual SEP to the OS.
>  The default value is 0 (virtual SEP is exposed).
> +.TP
> +.BR disable_managed_interrupts= { 0 | 1 }
> +Disables driver utilization of Linux kernel managed interrupts for
> +controllers. The managed interrupts feature automatically distributes
> +interrupts to all available CPUs and assigns SMP affinity.
> +The default value is 0 (managed interrupts enabled).
>  .SH FILES
>  .SS Device nodes
>  Logical drives are accessed via the SCSI disk driver
> -- 
> 2.42.0.158.g94e83dcf5b
> 

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