linux-kernel - Re: [PATCH 09/12] swiotlb-xen: drop DEFAULT

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Message-ID: <alpine.DEB.2.21.2109101627170.10523@sstabellini-ThinkPad-T480s>
Date:   Fri, 10 Sep 2021 16:27:23 -0700 (PDT)
From:   Stefano Stabellini <sstabellini@...nel.org>
To:     Jan Beulich <jbeulich@...e.com>
cc:     Juergen Gross <jgross@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        "xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>
Subject: Re: [PATCH 09/12] swiotlb-xen: drop DEFAULT_NSLABS

On Tue, 7 Sep 2021, Jan Beulich wrote:
> It was introduced by 4035b43da6da ("xen-swiotlb: remove xen_set_nslabs")
> and then not removed by 2d29960af0be ("swiotlb: dynamically allocate
> io_tlb_default_mem").
> 
> Signed-off-by: Jan Beulich <jbeulich@...e.com>

Reviewed-by: Stefano Stabellini <sstabellini@...nel.org>


> --- a/drivers/xen/swiotlb-xen.c
> +++ b/drivers/xen/swiotlb-xen.c
> @@ -152,8 +152,6 @@ static const char *xen_swiotlb_error(enu
>  	return "";
>  }
>  
> -#define DEFAULT_NSLABS		ALIGN(SZ_64M >> IO_TLB_SHIFT, IO_TLB_SEGSIZE)
> -
>  int xen_swiotlb_init(void)
>  {
>  	enum xen_swiotlb_err m_ret = XEN_SWIOTLB_UNKNOWN;
>