linux-kernel - Re: [PATCH 1/5] random: Remove unused irq_flags argument from add_interrupt

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Date:   Tue, 7 Dec 2021 12:44:37 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, Theodore Ts'o <tytso@....edu>,
        "Jason A . Donenfeld " <Jason@...c4.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Dexuan Cui <decui@...rosoft.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Ingo Molnar <mingo@...hat.com>,
        "K . Y . Srinivasan" <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, linux-hyperv@...r.kernel.org,
        x86@...nel.org
Subject: Re: [PATCH 1/5] random: Remove unused irq_flags argument from
 add_interrupt_randomness().

On Tue, Dec 07, 2021 at 01:17:33PM +0100, Sebastian Andrzej Siewior wrote:
> Since commit
>    ee3e00e9e7101 ("random: use registers from interrupted code for CPU's w/o a cycle counter")
> 
> the irq_flags argument is no longer used.
> 
> Remove unused irq_flags irq_flags.

Two irq_flags here.
[...]
>  	struct fast_pool	*fast_pool = this_cpu_ptr(&irq_randomness);
> diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
> index 392c1ac4f8193..7ae04ccb10438 100644
> --- a/drivers/hv/vmbus_drv.c
> +++ b/drivers/hv/vmbus_drv.c
> @@ -1381,7 +1381,7 @@ static void vmbus_isr(void)
>  			tasklet_schedule(&hv_cpu->msg_dpc);
>  	}
>  
> -	add_interrupt_randomness(vmbus_interrupt, 0);
> +	add_interrupt_randomness(vmbus_interrupt);
>  }

Acked-by: Wei Liu <wei.liu@...nel.org>