From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH 0/3] xen/arm: Inject an exception to the guest rather than crashing it Date: Tue, 30 Jan 2018 18:46:58 +0000 Message-ID: <381dfde4-bf8e-0008-3c41-a7f8b143b721@arm.com> References: <20180130161433.6910-1-julien.grall@arm.com> <864d6a7f-00c7-5ef5-51f0-e7f74b35ca70@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper , xen-devel@lists.xen.org Cc: sstabellini@kernel.org, andre.przywara@linaro.org List-Id: xen-devel@lists.xenproject.org SGksCgpPbiAzMC8wMS8xOCAxODoyOSwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAzMC8wMS8x OCAxNzowMCwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pgo+Pgo+PiBPbiAzMC8wMS8xOCAxNjozOCwg QW5kcmV3IENvb3BlciB3cm90ZToKPj4+IE9uIDMwLzAxLzE4IDE2OjE0LCBKdWxpZW4gR3JhbGwg d3JvdGU6Cj4+Pj4gSGkgYWxsLAo+Pj4+Cj4+Pj4gVGhpcyBzbWFsbCBzZXJpZXMgcmVwbGFjZXMg YWxsIGNhbGwgdG8gZG9tYWluX2NyYXNoX3N5bmNocm9ub3VzIGJ5Cj4+Pj4gaW5qZWN0aW5nCj4+ Pj4gYW4gZXhjZXB0aW9uIHRvIHRoZSBndWVzdC4KPj4+Pgo+Pj4+IFRoaXMgd2lsbCByZXN1bHQg dG8gYSBuaWNlciB0cmFjZSBmcm9tIHRoZSBndWVzdCAobm8gbmVlZCB0bwo+Pj4+IG1hbnVhbGx5 IHdhbGsKPj4+PiB0aGUgc3RhY2spIGFuZCBnaXZlIGEgY2hhbmNlIHRvIHRoZSBndWVzdCB0byBn aXZlIGEgYml0IG1vcmUKPj4+PiBpbmZvcm1hdGlvbiBvbgo+Pj4+IHdoYXQgaXQgd2FzIGRvaW5n Lgo+Pj4+Cj4+Pj4gQ2hlZXJzLAo+Pj4+Cj4+Pj4gSnVsaWVuIEdyYWxsICgzKToKPj4+PiAgwqDC oCB4ZW4vYXJtOiBpbzogRGlzdGluZ3Vpc2ggdW5oYW5kbGVkIElPIGZyb20gYWJvcnRlZCBvbmUK Pj4+PiAgwqDCoCB4ZW4vYXJtOiBEb24ndCBjcmFzaCBkb21haW4gb24gYmFkIE1NSU8gZW11bGF0 aW9uCj4+Pj4gIMKgwqAgeGVuL2FybTogRG9uJ3QgY3Jhc2ggdGhlIGRvbWFpbiBvbiBpbnZhbGlk IEhWQyBpbW1lZGlhdGUKPj4+Cj4+PiBUaGFua3MuCj4+Pgo+Pj4gSSBkb24ndCBmZWVsIHF1YWxp ZmllZCB0byByZXZpZXcgdGhlc2UsIGJ1dCBzb21lIG5vdGVzLgo+Pj4KPj4+IFBhdGNoIDEuwqAg cy9hdm9kaS9hdm9pZC8gaW4gdGhlIGNvbW1pdCBtZXNzYWdlCj4+Pgo+Pj4gUGF0Y2hlcyAyIGFu ZCAzLsKgIFlvdSBwcm9iYWJseSB3YW50IHRvIGNvbnZlcnQgdGhlIHByaW50a3MgdG8KPj4+IGdk cHJpbnRrKClzLCBvdGhlcndpc2UgZ3Vlc3RzIGNhbiBjaG9rZSB1cCB0aGUgcmF0ZWxpbWl0ZWQg bG9nLsKgIERvaW5nCj4+PiBzbyB3aWxsIGFsc28gbWVhbiB0aGF0IHRoZSB2Y3B1IHdpbGwgYmUg aWRlbnRpZmllZCBjb25zaXN0ZW50bHksIHdoaWNoCj4+PiBpdCBpc24ndCBjdXJyZW50bHkuCj4+ IFdlIGRpZG4ndCB1c2UgZypwcmludGsgYmVjYXVzZSBpdCB3b3VsZCBiZSBtb3JlIGNvbmZ1c2lu ZyB0byBwcmludCB0aGUKPj4gY3VycmVudCB2Q1BVIGluIHNvbWUgY2FzZXMgKGUuZyB3aGVuIGFj Y2Vzc2luZyB0aGUgcmUtZGlzdHJpYnV0b3Igb2YKPj4gYW5vdGhlciB2Q1BVKSBvciBkb2VzIG5v dCBtYXR0ZXIgKGUuZyBmb3IgSVRTKS4KPiAKPiBJbiB0aGUgZm9ybWVyIGNhc2UsIHlvdSdkIHdh bnQgdG8gcHJpbnQgYm90aCBjdXJyZW50LCBhbmQgdGhlIHRhcmdldAo+IHZjcHUuwqAgVGhlIGxh dHRlciBzdGlsbCBtYXR0ZXJzIHdoYXQgY3VycmVudCBpcyBpZiBzb21ldGhpbmcgZ29lcyB3cm9u Zy4KPiAKPiBXZSBoYXZlIHBsZW50eSBvZiBzaW1pbGFyIGNhc2VzIGluIHg4NiwgYnV0IGF0IHRo ZSBwb2ludCB5b3UgYXJlCj4gcHJpbnRpbmcgYW4gZGlhZ25vc3RpYyBtZXNzYWdlLCBpZ25vcmlu ZyBjdXJyZW50IGlzIGFsbW9zdCBhbHdheXMgdGhlCj4gd3JvbmcgdGhpbmsgdG8gZG8uCgpJIHdp bGwgbG9vayBhdCBpdCBvbiBhbm90aGVyIHNlcmllcy4KCj4gCj4+Cj4+IFRoZSBwcm9ibGVtIHdp dGggdGhlIGRlYnVnIHZlcnNpb24gaXMgdGhvc2UgaW5mb3JtYXRpb24gYXJlIGFjdHVhbGx5Cj4+ IHF1aXRlIHVzZWZ1bCBpbiBub24tZGVidWcgYnVpbGQuIFdlIGZvdW5kIHF1aXRlIGEgZmV3IGlz c3VlcyB0aGFua3MgdG8KPj4gdGhlbS4KPj4KPj4gSSB0aGluayBpdCB3b3VsZCBtYWtlIG1vcmUg c2Vuc2UgZm9yIFhlbiB0byBwcm92aWRlIHBlci1ndWVzdAo+PiByYXRlbGltaXRlZCB0aGFuIGhp ZGluZyB0aG9zZSBtZXNzYWdlcyBpbiBub24tZGVidWcgYnVpbGQuCj4gCj4gUGVyIGd1ZXN0IGlz IHF1aXRlIGEgbG90IG1vcmUgY29tcGxpY2F0ZWQgdGhhbiBnbG9iYWwsIGFuZCB3b3VsZCBzdGls bAo+IHJlcXVpcmUgYSBnbG9iYWwgbGltaXQgdG8gcHJldmVudCBhIGNvbmNlcnRlZCBhdHRhY2sg ZnJvbSBtdWx0aXBsZQo+IGd1ZXN0cyB0byBhdm9pZCBEb1NpbmcgdGhlIHN5c3RlbS4KPiAKPiBE ZWJ1ZyB2cyB1bmlsYXRlcmFsIGlzIHlvdXIgcHJlcm9nYXRpdmUgYXMgYSBtYWludGFpbmVyLCBi dXQgYXMgeW91J3ZlCj4gc2FpZCB5b3Vyc2VsZiwgdGhlIGFyZSB1c2VkIGZvciBkZWJ1Z2dpbmcg cHVycG9zZXMsIHdoaWNoIHByb3ZlcyBteSBwb2ludC4KClNvIG9uIHg4NiwgeW91IGFsd2F5cyBy ZXF1ZXN0IHRoZSB1c2VyIHRvIHJlcHJvZHVjZSBpdCB3aXRoIGRlYnVnIGJ1aWxkIAplbmFibGU/ CgpTdGVmYW5vLCB3aGF0J3MgeW91ciBvcGluaW9uIGhlcmU/CgpDaGVlcnMsCgotLSAKSnVsaWVu IEdyYWxsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpY ZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRw czovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs