From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Re: [PATCH v2] VT-d PI: disable VT-d PI when APICv is disabled Date: Wed, 7 Jun 2017 23:06:30 +0800 Message-ID: <20170607150627.GA147743@skl-2s3.sh.intel.com> References: <1496827785-132620-1-git-send-email-chao.gao@intel.com> <59380E36020000780016059B@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <59380E36020000780016059B@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Andrew Cooper , Kevin Tian , Jun Nakajima , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gV2VkLCBKdW4gMDcsIDIwMTcgYXQgMDY6MzE6MThBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4+Pj4gT24gMDcuMDYuMTcgYXQgMTE6MjksIDxjaGFvLmdhb0BpbnRlbC5jb20+IHdyb3Rl Ogo+PiBAQCAtMjI2Niw4ICsyMjY3LDEwIEBAIGludCBfX2luaXQgaW50ZWxfdnRkX3NldHVwKHZv aWQpCj4+ICAgICAgICAgICAqIFdlIGNhbm5vdCB1c2UgcG9zdGVkIGludGVycnVwdCBpZiBYODZf RkVBVFVSRV9DWDE2IGlzCj4+ICAgICAgICAgICAqIG5vdCBzdXBwb3J0ZWQsIHNpbmNlIHdlIGNv dW50IG9uIHRoaXMgZmVhdHVyZSB0bwo+PiAgICAgICAgICAgKiBhdG9taWNhbGx5IHVwZGF0ZSAx Ni1ieXRlIElSVEUgaW4gcG9zdGVkIGZvcm1hdC4KPj4gKyAgICAgICAgICogVlQtZCBQSSBpbXBs ZW1lbnRhdGlvbiByZWxpZXMgb24gQVBJQ3YuIFRodXMsIGRpc2FibGUKPj4gKyAgICAgICAgICog VlQtZCBQSSB3aGVuIEFQSUN2IGlzIGRpc2FibGVkLgo+PiAgICAgICAgICAgKi8KPj4gLSAgICAg ICAgaWYgKCAhY2FwX2ludHJfcG9zdChpb21tdS0+Y2FwKSB8fCAhY3B1X2hhc19jeDE2ICkKPj4g KyAgICAgICAgaWYgKCAhY2FwX2ludHJfcG9zdChpb21tdS0+Y2FwKSB8fCAhY3B1X2hhc19jeDE2 IHx8ICFvcHRfYXBpY3ZfZW5hYmxlZCApCj4+ICAgICAgICAgICAgICBpb21tdV9pbnRwb3N0ID0g MDsKPgo+SSdtIHNvcnJ5IGZvciB0aGlua2luZyBvZiB0aGlzIG9ubHkgbm93LCBidXQgd2h5IGRv IHlvdSBjaGVjayB0aGUKPmNvbW1hbmQgbGluZSBvcHRpb24gaGVyZSBpbnN0ZWFkIG9mIHdoZXRo ZXIgQVBJQy1WIGlzIGFjdHVhbGx5Cj5pbiB1c2U/IEkgZ3Vlc3MgdGhlcmUncyBub3QgZ29pbmcg dG8gYmUgaGFyZHdhcmUgc3VwcG9ydGluZyBWVC1kCj5QSSBidXQgbm90IEFQSUMtViAoYWxiZWl0 IG9uZSBpcyBhIGNoaXBzZXQgZmVhdHVyZSBhaXVpIGFuZCB0aGUKPm90aGVyIGEgQ1BVIG9uZSwg c28gdGhleSBhcmUga2luZCBvZiBpbmRlcGVuZGVudCksIGJ1dCBJIGNvdWxkCj5lYXNpbHkgaW1h Z2luZSBoeXBlcnZpc29ycyBzdXBwb3J0aW5nIHRoZW0gZW50aXJlbHkgaW5kZXBlbmRlbnRseS4K PkhlbmNlIEkgdGhpbmsgeW91IHdvdWxkIGJlIGJldHRlciBvZmYgY2hlY2tpbmcgdGhlIHJlbGV2 YW50Cj5zZWNvbmRhcnkgZXhlYyBiaXQocykuCgpUaG9zZSByZWxldmFudCBzdHJ1Y3R1cmUgaGFz bid0IGJlZW4gaW5pdGlhbGl6ZWQgaGVyZS4gQnV0IHlvdXIKdGhvdWdodCBpcyBkZWZpbml0ZWx5 IHJpZ2h0LiBIb3cgYWJvdXQgY2xlYXIgaW9tbXVfaW50cG9zdCBpbgp2bXhfaW5pdF92bWNzX2Nv bmZpZygpIHdoZW4gZmluZGluZyBjcHUtc2lkZSBpbnRlcnJ1cHQgcG9zdGluZwpjYW4ndCBiZSBl bmFibGVkPwoKVGhhbmtzCkNoYW8KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5v cmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=