From: Gleb Natapov <gleb@redhat.com>
To: Yang Zhang <yang.z.zhang@intel.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH v3 1/4] x86: PIT connects to pin 2 of IOAPIC
Date: Mon, 3 Dec 2012 11:42:20 +0200 [thread overview]
Message-ID: <20121203094220.GN8731@redhat.com> (raw)
In-Reply-To: <1354518064-3066-2-git-send-email-yang.z.zhang@intel.com>
On Mon, Dec 03, 2012 at 03:01:01PM +0800, Yang Zhang wrote:
> When PIT connects to IOAPIC, it route to pin 2 not pin 0.
>
This hack didn't work for a long time and nobody complained. It
should be safe to get rid of it.
> Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
> ---
> virt/kvm/ioapic.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
> index cfb7e4d..166c450 100644
> --- a/virt/kvm/ioapic.c
> +++ b/virt/kvm/ioapic.c
> @@ -181,7 +181,7 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
>
> #ifdef CONFIG_X86
> /* Always delivery PIT interrupt to vcpu 0 */
> - if (irq == 0) {
> + if (irq == 2) {
> irqe.dest_mode = 0; /* Physical mode. */
> /* need to read apic_id from apic regiest since
> * it can be rewritten */
> --
> 1.7.1
--
Gleb.
next prev parent reply other threads:[~2012-12-03 9:42 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-03 7:01 [PATCH v3 0/4] x86, apicv: Add APIC virtualization support Yang Zhang
2012-12-03 7:01 ` [PATCH v3 1/4] x86: PIT connects to pin 2 of IOAPIC Yang Zhang
2012-12-03 9:42 ` Gleb Natapov [this message]
2012-12-04 5:32 ` Zhang, Yang Z
2012-12-04 12:55 ` Gleb Natapov
2012-12-05 1:28 ` Zhang, Yang Z
2012-12-03 7:01 ` [PATCH v3 2/4] x86, apicv: add APICv register virtualization support Yang Zhang
2012-12-05 0:29 ` Marcelo Tosatti
2012-12-05 3:17 ` Zhang, Yang Z
2012-12-05 23:11 ` Marcelo Tosatti
2012-12-06 6:45 ` Gleb Natapov
2012-12-03 7:01 ` [PATCH v3 3/4] x86, apicv: add virtual interrupt delivery support Yang Zhang
2012-12-03 11:37 ` Gleb Natapov
2012-12-04 6:39 ` Zhang, Yang Z
2012-12-04 10:58 ` Gleb Natapov
2012-12-05 1:55 ` Zhang, Yang Z
2012-12-05 5:02 ` Gleb Natapov
2012-12-05 6:02 ` Zhang, Yang Z
2012-12-05 10:18 ` Gleb Natapov
2012-12-05 13:51 ` Zhang, Yang Z
2012-12-05 14:00 ` Gleb Natapov
2012-12-06 2:55 ` Zhang, Yang Z
2012-12-06 7:07 ` Gleb Natapov
2012-12-06 7:16 ` Zhang, Yang Z
2012-12-06 7:19 ` Gleb Natapov
2012-12-06 7:20 ` Zhang, Yang Z
2012-12-04 16:46 ` Michael S. Tsirkin
2012-12-05 2:00 ` Marcelo Tosatti
2012-12-05 3:43 ` Zhang, Yang Z
2012-12-05 11:14 ` Gleb Natapov
2012-12-05 14:16 ` Zhang, Yang Z
2012-12-05 14:34 ` Gleb Natapov
2012-12-06 2:58 ` Zhang, Yang Z
2012-12-05 22:38 ` Marcelo Tosatti
2012-12-06 9:28 ` Gleb Natapov
2012-12-06 11:35 ` Zhang, Yang Z
2012-12-05 22:31 ` Marcelo Tosatti
2012-12-06 3:31 ` Zhang, Yang Z
2012-12-06 5:02 ` Zhang, Yang Z
2012-12-06 6:36 ` Gleb Natapov
2012-12-06 6:56 ` Zhang, Yang Z
2012-12-06 20:08 ` Marcelo Tosatti
2012-12-07 1:00 ` Zhang, Yang Z
2012-12-07 7:28 ` Gleb Natapov
2012-12-03 7:01 ` [PATCH v3 4/4] x86, apicv: add virtual x2apic support Yang Zhang
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