From: Olaf Hering <olaf@aepfle.de>
To: "Zhang, Yang Z" <yang.z.zhang@intel.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>, Keir Fraser <keir@xen.org>,
"Nakajima, Jun" <jun.nakajima@intel.com>,
"Dong, Eddie" <eddie.dong@intel.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
"Xu, Dongxiao" <dongxiao.xu@intel.com>,
Jan Beulich <jbeulich@suse.com>
Subject: Re: [PATCH] x86/hvm: implement save/restore for posted interrupts
Date: Fri, 18 Jul 2014 15:58:31 +0200 [thread overview]
Message-ID: <20140718135831.GA10870@aepfle.de> (raw)
In-Reply-To: <A9667DDFB95DB7438FA9D7D576C3D87E0AB31DF7@SHSMSX104.ccr.corp.intel.com>
On Thu, Jul 17, Zhang, Yang Z wrote:
> Olaf Hering wrote on 2014-07-17:
> > I can probably do that. And I think initially I just changed
> > lapic_save_regs, which was not enough. I think in the end the reason
> > is that with posted irqs the code paths are different and just
> > having IRR set is not enough.
> It doesn't make sense. PIR is more like a tmp_IRR. All interrupts
> pending in PIR will finally sync to IRR by hardware. In your case, you
> already record it in IRR, it should be enough. The problem I am
> seeing is that the eoi_exit_bitmap need to be setup correct after
> migration, please try attached patch to see whether it solves your
> problem:
No, this patch does not work for me. Does it work for you?
Olaf
next prev parent reply other threads:[~2014-07-18 13:58 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-03 15:09 [PATCH] x86/hvm: implement save/restore for posted interrupts Olaf Hering
2014-07-03 15:27 ` Jan Beulich
2014-07-09 11:24 ` Zhang, Yang Z
2014-07-09 21:14 ` Tian, Kevin
2014-07-16 14:28 ` Olaf Hering
2014-07-16 16:11 ` Tian, Kevin
2014-07-17 7:11 ` Olaf Hering
2014-07-17 9:29 ` Zhang, Yang Z
2014-07-18 13:58 ` Olaf Hering [this message]
2014-07-22 23:06 ` Zhang, Yang Z
2014-07-23 8:03 ` Olaf Hering
2014-07-25 21:38 ` Tian, Kevin
2014-07-28 6:52 ` Olaf Hering
2014-07-29 7:48 ` Zhang, Yang Z
2014-07-29 8:27 ` Jan Beulich
2014-08-02 10:59 ` Olaf Hering
2014-08-04 1:08 ` Zhang, Yang Z
2014-08-04 7:50 ` Olaf Hering
2014-08-04 7:57 ` Zhang, Yang Z
2014-08-05 10:32 ` Olaf Hering
2014-08-08 0:18 ` Zhang, Yang Z
2014-09-01 6:44 ` Zhang, Yang Z
2014-09-18 3:29 ` Zhang, Yang Z
2014-09-19 13:32 ` Olaf Hering
2014-09-19 13:39 ` Jan Beulich
2014-09-19 17:51 ` Andrew Cooper
2014-09-22 22:43 ` Tian, Kevin
2014-09-24 16:26 ` Malcolm Crossley
2014-09-30 16:19 ` Jan Beulich
2014-10-01 8:07 ` Olaf Hering
2014-10-01 8:29 ` Jan Beulich
2014-10-01 20:13 ` Olaf Hering
2014-10-02 6:51 ` Jan Beulich
2014-10-02 8:10 ` Andrew Cooper
2014-10-02 8:20 ` Olaf Hering
2014-10-08 7:37 ` Zhang, Yang Z
2014-10-08 7:40 ` Olaf Hering
2014-10-08 7:55 ` Zhang, Yang Z
2014-10-08 8:28 ` Olaf Hering
2014-10-08 8:35 ` Zhang, Yang Z
2014-10-08 8:54 ` Olaf Hering
2014-10-09 7:24 ` Zhang, Yang Z
2014-10-09 8:41 ` Fabio Fantoni
2014-10-09 8:43 ` Zhang, Yang Z
2014-10-09 12:49 ` Fabio Fantoni
2014-10-09 11:35 ` Malcolm Crossley
2014-10-09 13:19 ` Andrew Cooper
2014-10-10 0:48 ` Zhang, Yang Z
2014-10-09 13:31 ` Olaf Hering
2014-10-09 14:11 ` Olaf Hering
2014-10-10 0:52 ` Zhang, Yang Z
2014-07-25 9:40 ` Jan Beulich
2014-07-25 12:49 ` Tian, Kevin
2014-07-25 13:59 ` Jan Beulich
2014-07-25 21:31 ` Tian, Kevin
2014-07-28 6:46 ` Jan Beulich
2014-07-28 7:52 ` Wu, Feng
2014-07-28 8:17 ` Zhang, Yang Z
2014-07-28 9:02 ` Jan Beulich
2014-07-28 9:50 ` Liuqiming (John)
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