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From: Juan Quintela <quintela@redhat.com>
To: "Eugenio Pérez" <eperezma@redhat.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	"Aleksandar Rikalo" <aleksandar.rikalo@syrmia.com>,
	"Yan Zhao" <yan.y.zhao@intel.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	qemu-ppc@nongnu.org, "Jason Wang" <jasowang@redhat.com>,
	qemu-devel@nongnu.org, "Peter Xu" <peterx@redhat.com>,
	"Eric Auger" <eric.auger@redhat.com>,
	qemu-arm@nongnu.org, "Hervé Poussineau" <hpoussin@reactos.org>,
	"Avi Kivity" <avi@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Richard Henderson" <rth@twiddle.net>,
	"David Gibson" <david@gibson.dropbear.id.au>
Subject: Re: [RFC v8 2/5] memory: Add IOMMUTLBEvent
Date: Wed, 02 Sep 2020 09:54:18 +0200	[thread overview]
Message-ID: <87a6y8r4ut.fsf@secure.mitica> (raw)
In-Reply-To: <20200901142608.24481-3-eperezma@redhat.com> ("Eugenio =?utf-8?Q?P=C3=A9rez=22's?= message of "Tue, 1 Sep 2020 16:26:05 +0200")

Eugenio Pérez <eperezma@redhat.com> wrote:
> This way we can tell between regulars IOMMURLBEntries (entry of IOMMU
> hardware) and notifications.
>
> In the notifications, we set explicitly if it is a MAPs or an UNMAP,
> instead of trusting in entry permissions to differenciate them.
>
> Signed-off-by: Eugenio Pérez <eperezma@redhat.com>

Reviewed-by: Juan Quintela <quintela@redhat.com>

if you have to respin for whatever other reasons, two suggestions.


> @@ -1430,10 +1435,10 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num,
>      return 0;
>  }
>  
> -static int vtd_sync_shadow_page_hook(IOMMUTLBEntry *entry,
> +static int vtd_sync_shadow_page_hook(IOMMUTLBEvent *event,
>                                       void *private)
>  {
> -    memory_region_notify_iommu((IOMMUMemoryRegion *)private, 0, *entry);
> +    memory_region_notify_iommu((IOMMUMemoryRegion *)private, 0, *event);

I know that it already was there, but if you respin, you can remove the cast.



> @@ -1281,12 +1286,12 @@ void memory_region_notify_iommu(IOMMUMemoryRegion *iommu_mr,
>   * notifies a specific notifier, not all of them.
>   *
>   * @notifier: the notifier to be notified
> - * @entry: the new entry in the IOMMU translation table.  The entry
> - *         replaces all old entries for the same virtual I/O address range.
> - *         Deleted entries have .@perm == 0.
> + * @event: TLB event with the new entry in the IOMMU translation table.
> + *         The entry replaces all old entries for the same virtual I/O address
> + *         range.
>   */
>  void memory_region_notify_iommu_one(IOMMUNotifier *notifier,
> -                              IOMMUTLBEntry *entry);
> +                                    IOMMUTLBEvent *event);

I didn't catch the missing of indentation on the previous patch ....
O:-)



  parent reply	other threads:[~2020-09-02  7:55 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-01 14:26 [RFC v8 0/5] memory: Delete assertion in memory_region_unregister_iommu_notifier Eugenio Pérez
2020-09-01 14:26 ` [RFC v8 1/5] memory: Rename memory_region_notify_one to memory_region_notify_iommu_one Eugenio Pérez
2020-09-01 20:44   ` Peter Xu
2020-09-02  0:37   ` David Gibson
2020-09-02  7:42   ` Juan Quintela
2020-09-02  9:04   ` Auger Eric
2020-09-01 14:26 ` [RFC v8 2/5] memory: Add IOMMUTLBEvent Eugenio Pérez
2020-09-01 20:54   ` Peter Xu
2020-09-02  8:14     ` Eugenio Perez Martin
2020-09-02  7:54   ` Juan Quintela [this message]
2020-09-02  8:39     ` Eugenio Perez Martin
2020-09-02 10:17   ` Auger Eric
2020-09-02 13:18     ` Eugenio Perez Martin
2020-09-02 13:39       ` Auger Eric
2020-09-02 13:58         ` Eugenio Perez Martin
2020-09-02 14:02           ` Eugenio Perez Martin
2020-09-01 14:26 ` [RFC v8 3/5] memory: Add IOMMU_DEVIOTLB_UNMAP IOMMUTLBNotificationType Eugenio Pérez
2020-09-01 20:56   ` Peter Xu
2020-09-02  7:55   ` Juan Quintela
2020-09-02 10:31   ` Auger Eric
2020-09-03 10:13     ` Eugenio Perez Martin
2020-09-03 11:06       ` Auger Eric
2020-09-03 12:21         ` Eugenio Perez Martin
2020-09-01 14:26 ` [RFC v8 4/5] intel_iommu: Do not notify regular iotlb to device-iotlb notifiers Eugenio Pérez
2020-09-01 21:04   ` Peter Xu
2020-09-03  6:07     ` Eugenio Perez Martin
2020-09-01 14:26 ` [RFC v8 5/5] memory: Skip bad range assertion if notifier is DEVIOTLB type Eugenio Pérez
2020-09-01 21:05   ` Peter Xu
2020-09-02  7:59   ` Juan Quintela
2020-09-02 14:24   ` Auger Eric
2020-09-02 23:57     ` David Gibson
2020-09-03 17:05       ` Eugenio Perez Martin
2020-09-01 21:13 ` [RFC v8 0/5] memory: Delete assertion in memory_region_unregister_iommu_notifier Peter Xu
2020-09-02  8:01   ` Eugenio Perez Martin

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