From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: Re: [PATCH v2 20/21] xen: support console_switching between Dom0 and DomUs on ARM Date: Tue, 17 Jul 2018 09:43:33 -0700 (PDT) Message-ID: References: <1530918736-13965-20-git-send-email-sstabellini@kernel.org> <5B4CC5A602000078001D48CD@prv1-mh.provo.novell.com> <5B4D8EBF02000078001D4AAC@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5B4D8EBF02000078001D4AAC@prv1-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich Cc: Tim Deegan , Stefano Stabellini , Wei Liu , George Dunlap , Andrew Cooper , Stefano Stabellini , Ian Jackson , xen-devel@lists.xen.org, Julien Grall , "andrii_anisov@epam.com" List-Id: xen-devel@lists.xenproject.org T24gVHVlLCAxNyBKdWwgMjAxOCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4gPj4+IE9uIDE2LjA3LjE4 IGF0IDIzOjU1LCA8c3N0YWJlbGxpbmlAa2VybmVsLm9yZz4gd3JvdGU6Cj4gPiBPbiBNb24sIDE2 IEp1bCAyMDE4LCBKYW4gQmV1bGljaCB3cm90ZToKPiA+PiA+Pj4gT24gMDcuMDcuMTggYXQgMDE6 MTIsIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPiB3cm90ZToKPiA+PiA+IEBAIC0zODksMjkgKzM5 Miw0OSBAQCBzdGF0aWMgdm9pZCBkdW1wX2NvbnNvbGVfcmluZ19rZXkodW5zaWduZWQgY2hhciBr ZXkpCj4gPj4gPiAgICAgIGZyZWVfeGVuaGVhcF9wYWdlcyhidWYsIG9yZGVyKTsKPiA+PiA+ICB9 Cj4gPj4gPiAgCj4gPj4gPiAtLyogQ1RSTC08c3dpdGNoX2NoYXI+IHN3aXRjaGVzIGlucHV0IGRp cmVjdGlvbiBiZXR3ZWVuIFhlbiBhbmQgRE9NMC4gKi8KPiA+PiA+ICsvKgo+ID4+ID4gKyAqIENU UkwtPHN3aXRjaF9jaGFyPiBzd2l0Y2hlcyBpbnB1dCBkaXJlY3Rpb24gYmV0d2VlbiBYZW4sIERv bTAgYW5kCj4gPj4gPiArICogRG9tVXMuCj4gPj4gPiArICovCj4gPj4gPiAgI2RlZmluZSBzd2l0 Y2hfY29kZSAob3B0X2NvbnN3aXRjaFswXS0nYScrMSkKPiA+PiA+IC1zdGF0aWMgaW50IF9fcmVh ZF9tb3N0bHkgeGVuX3J4ID0gMTsgLyogRkFMU0UgPT4gaW5wdXQgcGFzc2VkIHRvIGRvbWFpbiAw LiAqLwo+ID4+ID4gK3N0YXRpYyBpbnQgX19yZWFkX21vc3RseSB4ZW5fcnggPSAxOyAvKiAxID0+ IGlucHV0IHBhc3NlZCB0byBkb21haW4gMC4gKi8KPiA+PiAKPiA+PiBJIGd1ZXNzIHRoaXMgdmFy aWFibGUgd2FudHMgcmVuYW1pbmcgbm93Lgo+ID4gCj4gPiBZZWFoLiBXaGF0IGFib3V0IGBjb25z b2xlX3J4Jz8gCj4gCj4gVGhhdCdzIHJlYXNvbmFibGUuIEFub3RoZXIgb3B0aW9uIHdvdWxkIGJl IHRvIHVzZSByeF9kb21pZCwgYW5kIHN0b3JlCj4gYWN0dWFsIGRvbWFpbiBJRHMgdGhlcmUgKERP TUlEX1hFTiBmb3IgWGVuKS4gVGhhdCdsbCBtYWtlIHRoZSBzd2l0Y2hpbmcKPiBsb2dpYyBzbGln aHRseSBsYXJnZXIsIGJ1dCBwZXJoYXBzIHByb3ZpZGUgYSBiZXR0ZXIgdW5kZXJzdGFuZGFibGUg ZW5kCj4gcmVzdWx0LgoKV2hhdCBhYm91dCBrZWVwaW5nIHRoZSBsb2dpYyBzaW1wbGUgYW5kIGFk ZGluZyBhIGJldHRlciBjb21tZW50IHRvCmV4cGxhaW4gaG93IGNvbnNvbGVfcnggd29ya3M6Cgov KgogKiBjb25zb2xlX3J4PTAgPT4gaW5wdXQgdG8geGVuCiAqIGNvbnNvbGVfcng9MSA9PiBpbnB1 dCB0byBkb20wCiAqIGNvbnNvbGVfcng9TiA9PiBpbnB1dCBkb20oTi0xKQogKi8KCgo+ID4+ID4g QEAgLTkzMyw5ICs5NTYsNiBAQCB2b2lkIF9faW5pdCBjb25zb2xlX2VuZGJvb3Qodm9pZCkKPiA+ PiA+ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgImRlY3JlYXNlIGxvZyBsZXZlbCB0aHJl c2hvbGQiLCAwKTsKPiA+PiA+ICAgICAgcmVnaXN0ZXJfaXJxX2tleWhhbmRsZXIoJ0cnLCAmZG9f dG9nZ2xlX2d1ZXN0LAo+ID4+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAidG9nZ2xl IGhvc3QvZ3Vlc3QgbG9nIGxldmVsIGFkanVzdG1lbnQiLCAwKTsKPiA+PiA+IC0KPiA+PiA+IC0g ICAgLyogU2VyaWFsIGlucHV0IGlzIGRpcmVjdGVkIHRvIERPTTAgYnkgZGVmYXVsdC4gKi8KPiA+ PiA+IC0gICAgc3dpdGNoX3NlcmlhbF9pbnB1dCgpOwo+ID4+IAo+ID4+IFRoaXMgcmVtb3ZlcyBh biBpbW8gaGVscGZ1bCBib290IHRpbWUgbWVzc2FnZS4gSXMgdGhhdCBpbnRlbnRpb25hbCwKPiA+ PiBhbmQgaWYgc28gd2h5Pwo+ID4gIAo+ID4gWWVzLCBpdCB3YXMgaW50ZW50aW9uYWwuIHN3aXRj aF9zZXJpYWxfaW5wdXQgaW5jcmVhc2VzIHhlbl9yeCwgSSB0aG91Z2h0Cj4gPiBpdCBkaWRuJ3Qg bWFrZSB0b28gbXVjaCBzZW5zZSB0byBkbyB0aGF0IGF0IGJvb3QsIGFuZCB3b3VsZCBiZSBjbGVh cmVyCj4gPiB0byBqdXN0IGluaXRpYWxpemUgeGVuX3J4IHRvIHRoZSB3YW50ZWQgdmFsdWUgZnJv bSB0aGUgZ2V0IGdvICh0aGUgdmFsdWUKPiA+IHdvdWxkIGJlIDEgZm9yIGRvbTApLiBBbHNvLCBp biBwcmV2aW91cyBpbXBsZW1lbnRhdGlvbnMgb2YgdGhpcyBwYXRjaCBpdAo+ID4gd2FzIGFjdHVh bGx5IHJlcXVpcmVkLCBidXQgbm90IGFueW1vcmUuCj4gPiAKPiA+IEluIGZhY3QsIGlmIHlvdSBw cmVmZXIsIEkgY291bGQgYWxzbyBrZWVwIHRoaXMgc3dpdGNoX3NlcmlhbF9pbnB1dCgpCj4gPiBj YWxsIGFzLWlzIGFuZCBjaGFuZ2UgdGhlIGluaXRpYWwgdmFsdWUgb2YgeGVuX3J4IHRvIDAuIFRo YXQgd291bGQgYWxzbwo+ID4gd29yaywgYXMgdGhlIGluY3JlYXNlIG9mIHhlbl9yeCBoZXJlIHdv dWxkIGVuZCB1cCBzZWxlY3Rpbmcgc3RpbGwgZG9tMAo+ID4gZm9yIGlucHV0Lgo+IAo+IFllcywg SSdkIHByZWZlciBpZiB5b3UgbGVmdCBpdCB1bnRvdWNoZWQuIFRoZSBpZGVhIGFmdGVyIGFsbCBp cyB0aGF0IHByaW9yCj4gdG8gcmVhY2hpbmcgaGVyZSBpbnB1dCBnb2VzIHRvIFhlbiwgYW5kIG9u bHkgZnJvbSBoZXJlIG9uIGl0IGdvZXMgdG8KPiBEb20wLgogCk9LCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3Jn L21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs