linux-kernel - Re: [PATCH v2] kvm: Use pci_enable_msix_exact() instead of pci_enable

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Message-ID: <535E1BB4.2070904@redhat.com>
Date:	Mon, 28 Apr 2014 11:13:24 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Alexander Gordeev <agordeev@...hat.com>
CC:	linux-kernel@...r.kernel.org, Gleb Natapov <gleb@...nel.org>,
	kvm@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v2] kvm: Use pci_enable_msix_exact() instead of pci_enable_msix()

Il 21/02/2014 18:05, Alexander Gordeev ha scritto:
> As result of deprecation of MSI-X/MSI enablement functions
> pci_enable_msix() and pci_enable_msi_block() all drivers
> using these two interfaces need to be updated to use the
> new pci_enable_msi_range()  or pci_enable_msi_exact()
> and pci_enable_msix_range() or pci_enable_msix_exact()
> interfaces.
>
> Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
> Cc: Gleb Natapov <gleb@...nel.org>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: kvm@...r.kernel.org
> Cc: linux-pci@...r.kernel.org
> ---
>  virt/kvm/assigned-dev.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
> index 8db4370..bf06577 100644
> --- a/virt/kvm/assigned-dev.c
> +++ b/virt/kvm/assigned-dev.c
> @@ -395,7 +395,8 @@ static int assigned_device_enable_host_msix(struct kvm *kvm,
>  	if (dev->entries_nr == 0)
>  		return r;
>
> -	r = pci_enable_msix(dev->dev, dev->host_msix_entries, dev->entries_nr);
> +	r = pci_enable_msix_exact(dev->dev,
> +				  dev->host_msix_entries, dev->entries_nr);
>  	if (r)
>  		return r;
>
>

Applying this to kvm/master (i.e. for 3.15), thanks.

Paolo
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