From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: Michael Ellerman <michael@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>,
"qemu-ppc@nongnu.org list:PowerPC" <qemu-ppc@nongnu.org>,
qemu-devel qemu-devel <qemu-devel@nongnu.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [PATCH 5/5] pseries: Move XICS initialization before cpu initialization
Date: Sat, 16 Mar 2013 06:41:27 +0100 [thread overview]
Message-ID: <1363412487.1244.21.camel@pasglop> (raw)
In-Reply-To: <DEFE944E-0603-460B-9382-AD35B791E50E@suse.de>
On Sat, 2013-03-16 at 06:33 +0100, Alexander Graf wrote:
> >> We're changing that notion in the in-kernel XICS discussions. The
> flow will look like this:
> >>
> >> * create vcpus
> >> * create XICS
> >> * foreach (vcpu)
> >> * enable_cap(vcpu, CAP_XICS_SERVER, xics_handle)
> >
> > This is stupid. Why have the VCPU initialize itself for non-kernel
> > interrupts and *then* switch it over ?
>
> Because non-kernel initialization is a nop.
And ?
Ben.
next prev parent reply other threads:[~2013-03-16 5:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-14 1:53 [Qemu-devel] [0/5] Assorted pending pseries machine patches David Gibson
2013-03-14 1:53 ` [Qemu-devel] [PATCH 1/5] target-ppc: Synchronize VPA state with KVM David Gibson
2013-03-15 12:22 ` Alexander Graf
2013-04-08 5:01 ` [Qemu-devel] [Qemu-ppc] " David Gibson
2013-03-14 1:53 ` [Qemu-devel] [PATCH 2/5] pseries: Remove "busname" property for PCI host bridge David Gibson
2013-03-15 12:39 ` Alexander Graf
2013-03-14 1:53 ` [Qemu-devel] [PATCH 3/5] pseries: Fixes and enhancements to L1 cache properties David Gibson
2013-03-15 12:27 ` Alexander Graf
2013-03-16 7:10 ` [Qemu-devel] [Qemu-ppc] " David Gibson
2013-03-18 11:10 ` Andreas Färber
2013-03-19 0:52 ` David Gibson
2013-03-18 10:54 ` [Qemu-devel] " Andreas Färber
2013-03-18 11:05 ` Alexander Graf
2013-03-19 11:06 ` Andreas Färber
2013-03-19 11:09 ` Alexander Graf
2013-03-19 11:16 ` Andreas Färber
2013-03-19 11:37 ` Alexander Graf
2013-03-19 1:00 ` [Qemu-devel] [Qemu-ppc] " David Gibson
2013-03-19 10:10 ` Alexander Graf
2013-03-14 1:53 ` [Qemu-devel] [PATCH 4/5] target-ppc: Remove CONFIG_PSERIES dependency in kvm.c David Gibson
2013-03-15 12:39 ` Alexander Graf
2013-03-14 1:53 ` [Qemu-devel] [PATCH 5/5] pseries: Move XICS initialization before cpu initialization David Gibson
2013-03-15 12:33 ` Alexander Graf
2013-03-16 3:14 ` Benjamin Herrenschmidt
2013-03-16 5:33 ` Alexander Graf
2013-03-16 5:41 ` Benjamin Herrenschmidt [this message]
2013-03-16 6:07 ` Alexander Graf
2013-03-18 2:55 ` [Qemu-devel] [Qemu-ppc] " David Gibson
2013-03-18 3:12 ` Alexander Graf
2013-03-18 3:38 ` David Gibson
2013-03-21 10:01 ` Alexander Graf
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