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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Julien Grall <julien.grall@arm.com>, xen-devel@lists.xen.org
Cc: sstabellini@kernel.org
Subject: Re: [PATCH v5 13/17] xen/arm: Use the typesafes mfn and gfn in map_dev_mmio_region...
Date: Tue, 28 Jun 2016 18:21:06 +0100	[thread overview]
Message-ID: <c4da4951-8d76-82d3-6824-be83cce8c48d@citrix.com> (raw)
In-Reply-To: <1467130643-23868-14-git-send-email-julien.grall@arm.com>

On 28/06/16 17:17, Julien Grall wrote:
> diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
> index f11094e..5ffc3df 100644
> --- a/xen/arch/arm/p2m.c
> +++ b/xen/arch/arm/p2m.c
> @@ -1211,20 +1211,20 @@ int unmap_mmio_regions(struct domain *d,
>  }
>  
>  int map_dev_mmio_region(struct domain *d,
> -                        unsigned long start_gfn,
> +                        gfn_t gfn,
>                          unsigned long nr,
> -                        unsigned long mfn)
> +                        mfn_t mfn)
>  {
>      int res;
>  
> -    if ( !(nr && iomem_access_permitted(d, mfn, mfn + nr - 1)) )
> +    if ( !(nr && iomem_access_permitted(d, mfn_x(mfn), mfn_x(mfn) + nr - 1)) )
>          return 0;
>  
> -    res = map_mmio_regions(d, _gfn(start_gfn), nr, _mfn(mfn));
> +    res = map_mmio_regions(d, gfn, nr, mfn);
>      if ( res < 0 )
>      {
>          printk(XENLOG_G_ERR "Unable to map [%#lx - %#lx] in Dom%d\n",

%PRImfn

I would also recommend qualifying what is being mapped, so "to map mfns
[...".

~Andrew

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  reply	other threads:[~2016-06-28 17:21 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-28 16:17 [PATCH v5 00/17] xen/arm: Use the typesafes gfn and mfn Julien Grall
2016-06-28 16:17 ` [PATCH v5 01/17] xen: Use typesafe gfn/mfn in guest_physmap_* helpers Julien Grall
2016-06-28 16:17 ` [PATCH v5 02/17] xen: Use typesafe gfn in xenmem_add_to_physmap_one Julien Grall
2016-06-28 16:17 ` [PATCH v5 03/17] xen/arm: Rename grant_table_gfpn into grant_table_gfn and use the typesafe gfn Julien Grall
2016-06-28 16:17 ` [PATCH v5 04/17] xen: Use the typesafe mfn and gfn in map_mmio_regions Julien Grall
2016-07-06 10:23   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 05/17] xen/passthrough: x86: Use INVALID_GFN rather than INVALID_MFN Julien Grall
2016-06-28 16:43   ` Andrew Cooper
2016-06-28 16:47     ` Juergen Gross
2016-06-28 17:04       ` Julien Grall
2016-06-29  9:39   ` Jan Beulich
2016-06-28 16:17 ` [PATCH v5 06/17] xen: Use a typesafe to define INVALID_MFN Julien Grall
2016-06-28 17:05   ` Andrew Cooper
2016-07-06 10:27   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 07/17] xen: Use a typesafe to define INVALID_GFN Julien Grall
2016-06-28 17:12   ` Andrew Cooper
2016-07-06 10:28   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 08/17] xen/arm: Rework the interface of p2m_lookup and use typesafe gfn and mfn Julien Grall
2016-07-06 10:32   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 09/17] xen/arm: Rework the interface of p2m_cache_flush and use typesafe gfn Julien Grall
2016-07-06 10:35   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 10/17] xen/arm: map_regions_rw_cache: Map the region with p2m->default_access Julien Grall
2016-07-06 10:43   ` Stefano Stabellini
2016-07-06 11:10     ` Julien Grall
2016-07-06 11:17       ` Stefano Stabellini
2016-07-06 11:22         ` Julien Grall
2016-07-06 11:44           ` Julien Grall
2016-07-06 15:39       ` Tamas K Lengyel
2016-06-28 16:17 ` [PATCH v5 11/17] xen/arm: dom0_build: Remove dead code in allocate_memory Julien Grall
2016-07-06 10:46   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 12/17] xen/arm: p2m: Remove unused operation ALLOCATE Julien Grall
2016-07-06 10:49   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 13/17] xen/arm: Use the typesafes mfn and gfn in map_dev_mmio_region Julien Grall
2016-06-28 17:21   ` Andrew Cooper [this message]
2016-06-29 12:20     ` Julien Grall
2016-06-28 16:17 ` [PATCH v5 14/17] xen/arm: Use the typesafes mfn and gfn in map_regions_rw_cache Julien Grall
2016-07-06 10:54   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 15/17] xen/arm: p2m: Introduce helpers to insert and remove mapping Julien Grall
2016-06-28 17:23   ` Andrew Cooper
2016-07-06 10:59   ` Stefano Stabellini
2016-07-06 11:20     ` Julien Grall
2016-06-28 16:17 ` [PATCH v5 16/17] xen/arm: p2m: Use typesafe gfn for {max, lowest}_mapped_gfn Julien Grall
2016-07-06 11:07   ` Stefano Stabellini
2016-06-28 16:17 ` [PATCH v5 17/17] xen/arm: p2m: Rework the interface of apply_p2m_changes and use typesafe Julien Grall
2016-07-06 11:06   ` Stefano Stabellini
2016-07-06 11:56     ` Julien Grall
2016-07-06 12:45       ` Andrew Cooper
2016-06-28 18:32 ` [PATCH v5 00/17] xen/arm: Use the typesafes gfn and mfn Andrew Cooper
2016-06-29  9:24   ` Jan Beulich

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