From mboxrd@z Thu Jan 1 00:00:00 1970
From: Pavel Fedin
Subject: RE: [PATCH 1/7] KVM: api: add kvm_irq_routing_extended_msi
Date: Tue, 07 Jul 2015 10:23:29 +0300
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To: 'Andre Przywara' , 'Eric Auger' , 'Paolo Bonzini' , 'Christoffer Dall'
Cc: eric.auger@st.com, kvm@vger.kernel.org, 'Marc Zyngier' , linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org
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Hi!
> I guess not. But I prefer the new type anyway, as it also has a known
> error path for older kernels.
flags != 0 has known error path too, and it's absolutely the same.
Sorry, read this after writing my previous reply, so this is a short addendum.
I see lots of people agreed on a new type. If my argument about reusing existing definitions is not
enough, you can ignore it. Three people beat one definitely. :)
And yes, since we are talking about it, actually KVM_MSI_VALID_DEVID flag is not yet a part of
mainline, so it's not set in stone. Then, perhaps you could throw it away completely and invent
KVM_SIGNAL_EXT_MSI ioctl for sending MSIs with device ID. This would also be consistent IMO.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia