Subject: Re: [PATCH 1/2] powerpc/xive: Use GFP_KERNEL instead of GFP_ATOMIC in 'xive_irq_bitmap_add()'

From: Greg Kurz <[email-masked]>
Date: Thu, 1 Aug 2019 11:23:48 +0200

On Thu,  1 Aug 2019 10:32:31 +0200
Christophe JAILLET <[email-masked]> wrote:

> There is no need to use GFP_ATOMIC here. GFP_KERNEL should be enough.
> GFP_KERNEL is also already used for another allocation just a few lines
> below.
> 
> Signed-off-by: Christophe JAILLET <[email-masked]>
> ---

Good catch.

Reviewed-by: Greg Kurz <[email-masked]>

>  arch/powerpc/sysdev/xive/spapr.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
> index 8ef9cf4ebb1c..b4f5eb9e0f82 100644
> --- a/arch/powerpc/sysdev/xive/spapr.c
> +++ b/arch/powerpc/sysdev/xive/spapr.c
> @@ -45,7 +45,7 @@ static int xive_irq_bitmap_add(int base, int count)
>  {
>  	struct xive_irq_bitmap *xibm;
>  
> -	xibm = kzalloc(sizeof(*xibm), GFP_ATOMIC);
> +	xibm = kzalloc(sizeof(*xibm), GFP_KERNEL);
>  	if (!xibm)
>  		return -ENOMEM;
>