From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Ian Campbell <Ian.Campbell@eu.citrix.com>
Cc: "Xen-devel@lists.xensource.com" <Xen-devel@lists.xensource.com>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: Re: xen_hvm_callback_vector
Date: Sat, 28 Aug 2010 14:40:19 -0700 [thread overview]
Message-ID: <4C798243.7000301@goop.org> (raw)
In-Reply-To: <1283019557.3469.47.camel@localhost.localdomain>
On 08/28/2010 11:19 AM, Ian Campbell wrote:
> xen_evtchn_do_upcall is used for the callback vector interrupt injection
> (and regular PV obviously).
>
> xen_hvm_evtchn_do_upcall is used by the old-style PCI IRQ injection
> route in platform-pci.c if the callback vector is not available.
>
> So entry_64.S should be using xen_evtchn_do_upcall.
>
> Also, I think smp_xen_hvm_callback_vector is simply a redundant
> duplicate of xen_evtchn_do_upcall which could be removed.
smp_xen_hvm_callback_vector is just missing, so I think it should be
using BUILD_INTERRUPT3 with the third arg being xen_evtchn_do_upcall.
J
next prev parent reply other threads:[~2010-08-28 21:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-27 22:57 xen_hvm_callback_vector Jeremy Fitzhardinge
2010-08-28 18:19 ` xen_hvm_callback_vector Ian Campbell
2010-08-28 21:40 ` Jeremy Fitzhardinge [this message]
2010-08-29 7:24 ` xen_hvm_callback_vector Ian Campbell
2010-08-30 9:37 ` xen_hvm_callback_vector Stefano Stabellini
2010-08-30 16:25 ` xen_hvm_callback_vector Jeremy Fitzhardinge
2010-08-30 16:46 ` xen_hvm_callback_vector Stefano Stabellini
2010-08-30 16:51 ` xen_hvm_callback_vector Stefano Stabellini
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