Re: [PATCH 3/5] powerpc/xive: remove unnecessary unmap_kernel_range

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On 1/26/21 5:54 AM, Nicholas Piggin wrote:
> iounmap will remove ptes.
> 
> Cc: "Cédric Le Goater" <clg@xxxxxxxx>
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
> Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>

Looks good. 

Acked-by: Cédric Le Goater <clg@xxxxxxxx>

Thanks,

C. 

> ---
>  arch/powerpc/sysdev/xive/common.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
> index 595310e056f4..d6c2069cc828 100644
> --- a/arch/powerpc/sysdev/xive/common.c
> +++ b/arch/powerpc/sysdev/xive/common.c
> @@ -959,16 +959,12 @@ EXPORT_SYMBOL_GPL(is_xive_irq);
>  void xive_cleanup_irq_data(struct xive_irq_data *xd)
>  {
>  	if (xd->eoi_mmio) {
> -		unmap_kernel_range((unsigned long)xd->eoi_mmio,
> -				   1u << xd->esb_shift);
>  		iounmap(xd->eoi_mmio);
>  		if (xd->eoi_mmio == xd->trig_mmio)
>  			xd->trig_mmio = NULL;
>  		xd->eoi_mmio = NULL;
>  	}
>  	if (xd->trig_mmio) {
> -		unmap_kernel_range((unsigned long)xd->trig_mmio,
> -				   1u << xd->esb_shift);
>  		iounmap(xd->trig_mmio);
>  		xd->trig_mmio = NULL;
>  	}
> 






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