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Tsirkin" , "linux-kernel@vger.kernel.org" CC: "stable@vger.kernel.org" , Yinghai Lu , Jesse Barnes , Bjorn Helgaas , "linux-pci@vger.kernel.org" Subject: RE: [PATCH] pci: avoid bridge feature re-probing on hotplug Thread-Topic: [PATCH] pci: avoid bridge feature re-probing on hotplug Thread-Index: AQHUkPfZm+7kLW/u5UWB8Dht4FV3hKV41OMQ Date: Tue, 11 Dec 2018 02:45:44 +0000 Message-ID: <7CECC2DFC21538489F72729DF5EFB4D908AC796C@DGGEMM501-MBX.china.huawei.com> References: <20181211021617.24072-1-mst@redhat.com> In-Reply-To: <20181211021617.24072-1-mst@redhat.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.177.33.58] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogTWljaGFlbCBTLiBUc2ly a2luIFttYWlsdG86bXN0QHJlZGhhdC5jb21dDQo+IFNlbnQ6IFR1ZXNkYXksIERlY2VtYmVyIDEx LCAyMDE4IDEwOjE5IEFNDQo+IFRvOiBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnDQo+IENj OiB4dXlhbmRvbmcgPHh1eWFuZG9uZzJAaHVhd2VpLmNvbT47IHN0YWJsZUB2Z2VyLmtlcm5lbC5v cmc7IFlpbmdoYWkNCj4gTHUgPHlpbmdoYWlAa2VybmVsLm9yZz47IEplc3NlIEJhcm5lcyA8amJh cm5lc0B2aXJ0dW91c2dlZWsub3JnPjsgQmpvcm4NCj4gSGVsZ2FhcyA8YmhlbGdhYXNAZ29vZ2xl LmNvbT47IGxpbnV4LXBjaUB2Z2VyLmtlcm5lbC5vcmcNCj4gU3ViamVjdDogW1BBVENIXSBwY2k6 IGF2b2lkIGJyaWRnZSBmZWF0dXJlIHJlLXByb2Jpbmcgb24gaG90cGx1Zw0KPiANCj4gY29tbWl0 IDFmODJkZTEwZDYgKCJQQ0kveDg2OiBkb24ndCBhc3N1bWUgcHJlZmV0Y2hhYmxlIHJhbmdlcyBh cmUNCj4gNjRiaXQiKSBhZGRlZCBwcm9iaW5nIG9mIGJyaWRnZSBzdXBwb3J0IGZvciA2NCBiaXQg bWVtb3J5IGVhY2ggdGltZSBicmlkZ2UgaXMNCj4gcmUtZW51bWVyYXRlZC4NCj4gDQo+IFVuZm9y dHVuYXRlbHkgdGhpcyBwcm9iaW5nIGlzIGRlc3RydWN0aXZlIGlmIGFueSBkZXZpY2UgYmVoaW5k IHRoZSBicmlkZ2UgaXMgaW4NCj4gdXNlIGF0IHRoaXMgdGltZS4NCj4gDQo+IFRoZXJlJ3Mgbm8g cmVhbCBuZWVkIHRvIHJlLXByb2JlIHRoZSBicmlkZ2UgZmVhdHVyZXMgYXMgdGhlIHJlZ2l0ZXJz IGluIHF1ZXN0aW9uDQo+IG5ldmVyIGNoYW5nZSAtIGRldGVjdCB0aGF0IHVzaW5nIHRoZSBtZW1v cnkgZmxhZyBiZWluZyBzZXQgYW5kIHNraXAgdGhlDQo+IHByb2JpbmcuDQo+IEF2b2lkaW5nIHJl cGVhdGVkIGNhbGxzIHRvIHBjaV9icmlkZ2VfY2hlY2tfcmFuZ2VzIG1pZ2h0IGJlIGV2ZW4gbmlj ZXIgd291bGQNCj4gYmUgYSBiaWdnZXIgcGF0Y2ggYW5kIHByb2JhYmx5IG5vdCBhcHByb3ByaWF0 ZSBvbiBzdGFibGUuDQo+IA0KPiBSZXBvcnRlZC1ieTogeHV5YW5kb25nIDx4dXlhbmRvbmcyQGh1 YXdlaS5jb20+DQo+IENjOiBzdGFibGVAdmdlci5rZXJuZWwub3JnDQo+IENjOiBZaW5naGFpIEx1 IDx5aW5naGFpQGtlcm5lbC5vcmc+DQo+IENjOiBKZXNzZSBCYXJuZXMgPGpiYXJuZXNAdmlydHVv dXNnZWVrLm9yZz4NCj4gU2lnbmVkLW9mZi1ieTogTWljaGFlbCBTLiBUc2lya2luIDxtc3RAcmVk aGF0LmNvbT4NCg0KVGVzdGVkLWJ5OiB4dXlhbmRvbmcgPHh1eWFuZG9uZzJAaHVhd2VpLmNvbT4N Cg0KPiAtLS0NCj4gDQo+IFRoaXMgaXNzdWUgaGFzIGJlZW4gcmVwb3J0ZWQgb24gdXBzdHJlYW0g TGludXggYW5kIENlbnRvcy4NCj4gDQo+ICBkcml2ZXJzL3BjaS9zZXR1cC1idXMuYyB8IDcgKysr KysrKw0KPiAgMSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygrKQ0KPiANCj4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvcGNpL3NldHVwLWJ1cy5jIGIvZHJpdmVycy9wY2kvc2V0dXAtYnVzLmMgaW5k ZXgNCj4gZWQ5NjA0MzZkZjVlLi43YWI0MmY3NjU3OWUgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMv cGNpL3NldHVwLWJ1cy5jDQo+ICsrKyBiL2RyaXZlcnMvcGNpL3NldHVwLWJ1cy5jDQo+IEBAIC03 NDEsNiArNzQxLDEzIEBAIHN0YXRpYyB2b2lkIHBjaV9icmlkZ2VfY2hlY2tfcmFuZ2VzKHN0cnVj dCBwY2lfYnVzDQo+ICpidXMpDQo+ICAJc3RydWN0IHJlc291cmNlICpiX3JlczsNCj4gDQo+ICAJ Yl9yZXMgPSAmYnJpZGdlLT5yZXNvdXJjZVtQQ0lfQlJJREdFX1JFU09VUkNFU107DQo+ICsNCj4g KwkvKiBEb24ndCByZS1jaGVjayBhZnRlciB0aGlzIHdhcyBjYWxsZWQgb25jZSBhbHJlYWR5Og0K PiArCSAqIGltcG9ydGFudCBzaW5jZSBicmlkZ2UgbWlnaHQgYmUgaW4gdXNlLg0KPiArCSAqLw0K PiArCWlmIChiX3Jlc1sxXS5mbGFncyAmIElPUkVTT1VSQ0VfTUVNKQ0KPiArCQlyZXR1cm47DQo+ ICsNCj4gIAliX3Jlc1sxXS5mbGFncyB8PSBJT1JFU09VUkNFX01FTTsNCj4gDQo+ICAJcGNpX3Jl YWRfY29uZmlnX3dvcmQoYnJpZGdlLCBQQ0lfSU9fQkFTRSwgJmlvKTsNCj4gLS0NCj4gTVNUDQo=