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Tue, 25 Feb 2020 08:33:47 +0800 To: Julien Grall , "xen-devel@lists.xenproject.org" References: <5E53B3E3.6070304@hisilicon.com> <8bb7d100-0ca4-c0f9-b294-f2e7a173e1c9@xen.org> From: Wei Xu Message-ID: <5E546B6B.70906@hisilicon.com> Date: Tue, 25 Feb 2020 08:33:47 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <8bb7d100-0ca4-c0f9-b294-f2e7a173e1c9@xen.org> X-Originating-IP: [10.57.101.250] X-CFilter-Loop: Reflected Subject: Re: [Xen-devel] [PATCH] ns16550: Re-order the serial port address checking X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , "Zengtao \(B\)" , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Linuxarm , Shameerali Kolothum Thodi , Jan Beulich Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SGkgSnVsaWVuLAoKT24gMjAyMC8yLzI1IDY6MDMsIEp1bGllbiBHcmFsbCB3cm90ZToKPiBIaSBX ZWksCj4gCj4gVGhhbmsgeW91IGZvciBzZW5kaW5nIGEgZm9sbG93LXVwLgo+IAo+IE9uIDI0LzAy LzIwMjAgMTE6MzAsIFdlaSBYdSB3cm90ZToKPj4gQ2hlY2sgdGhlIHNlcmlhbCBwb3J0IGFkZHJl c3Mgc3BhY2UgYmVmb3JlIGNoZWNraW5nIHRoZSBhZGRyZXNzLgo+IAo+IENvdWxkIHlvdSBleHBs YWluIGluIGEgc2VudGVuY2Ugd2h5IHlvdSB3YW50IHRvIHJlLW9yZGVyPwoKRG8geW91IHRoaW5r IGlzIGl0IE9LIHRvIGV4cGxhaW4gYXMgZm9sbG93aW5nOgoKVGhlIHNlcmlhbCBwb3J0IGFkZHJl c3Mgc3BhY2UgSUQgcXVhbGlmaWVzIHRoZSBhZGRyZXNzLgpXaGV0aGVyIGEgdmFsdWUgb2YgemVy byBmb3IgdGhlIHNlcmlhbCBwb3J0IGFkZHJlc3MgY2FuIHNlbnNpYmx5Cm1lYW4gImRpc2FibGVk IiBkZXBlbmRzIG9uIHRoZSBhZGRyZXNzIHNwYWNlIElELiBIZW5jZSBjaGVjayB0aGUKYWRkcmVz cyBzcGFjZSBJRCBiZWZvcmUgY2hlY2tpbmcgdGhlIGFkZHJlc3MuCgpUaGFua3MhCgpCZXN0IFJl Z2FyZHMsCldlaQoKPiAKPiBDaGVlcnMsCj4gCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IFdlaSBYdSA8 eHV3ZWk1QGhpc2lsaWNvbi5jb20+Cj4+IC0tLQo+PiAgIHhlbi9kcml2ZXJzL2NoYXIvbnMxNjU1 MC5jIHwgMTIgKysrKysrLS0tLS0tCj4+ICAgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygr KSwgNiBkZWxldGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBhL3hlbi9kcml2ZXJzL2NoYXIvbnMx NjU1MC5jIGIveGVuL2RyaXZlcnMvY2hhci9uczE2NTUwLmMKPj4gaW5kZXggZGM4YWM0Yy4uNDI1 ZTA0NCAxMDA2NDQKPj4gLS0tIGEveGVuL2RyaXZlcnMvY2hhci9uczE2NTUwLmMKPj4gKysrIGIv eGVuL2RyaXZlcnMvY2hhci9uczE2NTUwLmMKPj4gQEAgLTE2NDQsNiArMTY0NCwxMiBAQCBzdGF0 aWMgaW50IF9faW5pdCBuczE2NTUwX2FjcGlfdWFydF9pbml0KGNvbnN0IHZvaWQgKmRhdGEpCj4+ Cj4+ICAgICAgIHNwY3IgPSBjb250YWluZXJfb2YodGFibGUsIHN0cnVjdCBhY3BpX3RhYmxlX3Nw Y3IsIGhlYWRlcik7Cj4+Cj4+ICsgICAgaWYgKCB1bmxpa2VseShzcGNyLT5zZXJpYWxfcG9ydC5z cGFjZV9pZCAhPSBBQ1BJX0FEUl9TUEFDRV9TWVNURU1fTUVNT1JZKSApCj4+ICsgICAgewo+PiAr ICAgICAgICBwcmludGsoIm5zMTY1NTA6IEFkZHJlc3Mgc3BhY2UgdHlwZSBpcyBub3QgbW1pb1xu Iik7Cj4+ICsgICAgICAgIHJldHVybiAtRUlOVkFMOwo+PiArICAgIH0KPj4gKwo+PiAgICAgICAv Kgo+PiAgICAgICAgKiBUaGUgc2VyaWFsIHBvcnQgYWRkcmVzcyBtYXkgYmUgMCBmb3IgZXhhbXBs ZQo+PiAgICAgICAgKiBpZiB0aGUgY29uc29sZSByZWRpcmVjdGlvbiBpcyBkaXNhYmxlZC4KPj4g QEAgLTE2NTQsMTIgKzE2NjAsNiBAQCBzdGF0aWMgaW50IF9faW5pdCBuczE2NTUwX2FjcGlfdWFy dF9pbml0KGNvbnN0IHZvaWQgKmRhdGEpCj4+ICAgICAgICAgICByZXR1cm4gLUVJTlZBTDsKPj4g ICAgICAgfQo+Pgo+PiAtICAgIGlmICggdW5saWtlbHkoc3Bjci0+c2VyaWFsX3BvcnQuc3BhY2Vf aWQgIT0gQUNQSV9BRFJfU1BBQ0VfU1lTVEVNX01FTU9SWSkgKQo+PiAtICAgIHsKPj4gLSAgICAg ICAgcHJpbnRrKCJuczE2NTUwOiBBZGRyZXNzIHNwYWNlIHR5cGUgaXMgbm90IG1taW9cbiIpOwo+ PiAtICAgICAgICByZXR1cm4gLUVJTlZBTDsKPj4gLSAgICB9Cj4+IC0KPj4gICAgICAgbnMxNjU1 MF9pbml0X2NvbW1vbih1YXJ0KTsKPj4KPj4gICAgICAgLyoKPj4KPiAKCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0 Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qu b3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs