From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH 1/2] kvm/arm: skip MMIO insn after emulation Date: Tue, 11 Dec 2018 09:30:45 +0100 Message-ID: <20181211083045.GU30263@e113682-lin.lund.arm.com> References: <20181109150711.45864-1-mark.rutland@arm.com> <20181109150711.45864-2-mark.rutland@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 64B7E4A1DC for ; Tue, 11 Dec 2018 03:30:49 -0500 (EST) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id y2526Q2tun9c for ; Tue, 11 Dec 2018 03:30:48 -0500 (EST) Received: from foss.arm.com (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 422CF4A200 for ; Tue, 11 Dec 2018 03:30:48 -0500 (EST) Content-Disposition: inline In-Reply-To: <20181109150711.45864-2-mark.rutland@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Mark Rutland Cc: marc.zyngier@arm.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org List-Id: kvmarm@lists.cs.columbia.edu T24gRnJpLCBOb3YgMDksIDIwMTggYXQgMDM6MDc6MTBQTSArMDAwMCwgTWFyayBSdXRsYW5kIHdy b3RlOgo+IFdoZW4gd2UgZW11bGF0ZSBhbiBNTUlPIGluc3RydWN0aW9uLCB3ZSBhZHZhbmNlIHRo ZSBDUFUgc3RhdGUgd2l0aGluCj4gZGVjb2RlX2hzcigpLCBiZWZvcmUgZW11bGF0aW5nIHRoZSBp bnN0cnVjdGlvbiBlZmZlY3RzLgo+IAo+IEhhdmluZyB0aGlzIGxvZ2ljIGluIGRlY29kZV9oc3Io KSBpcyBvcGFxdWUsIGFuZCBhZHZhbmNpbmcgdGhlIHN0YXRlCj4gYmVmb3JlIGVtdWxhdGlvbiBp cyBwcm9ibGVtYXRpYy4gSXQgZ2V0cyBpbiB0aGUgd2F5IG9mIGFwcGx5aW5nCj4gY29uc2lzdGVu dCBzaW5nbGUtc3RlcCBsb2dpYywgYW5kIGl0IHByZXZlbnRzIHVzIGZyb20gYmVpbmcgYWJsZSB0 byBmYWlsCj4gYW4gTU1JTyBpbnN0cnVjdGlvbiB3aXRoIGEgc3luY2hyb25vdXMgZXhjZXB0aW9u Lgo+IAo+IENsZWFuIHRoaXMgdXAgYnkgb25seSBhZHZhbmNpbmcgdGhlIENQVSBzdGF0ZSAqYWZ0 ZXIqIHRoZSBlZmZlY3RzIG9mIHRoZQo+IGluc3RydWN0aW9uIGFyZSBlbXVsYXRlZC4KPiAKPiBT aWduZWQtb2ZmLWJ5OiBNYXJrIFJ1dGxhbmQgPG1hcmsucnV0bGFuZEBhcm0uY29tPgo+IENjOiBB bGV4IEJlbm7DqWUgPGFsZXguYmVubmVlQGxpbmFyby5vcmc+Cj4gQ2M6IENocmlzdG9mZmVyIERh bGwgPGNocmlzdG9mZmVyLmRhbGxAYXJtLmNvbT4KPiBDYzogTWFyYyBaeW5naWVyIDxtYXJjLnp5 bmdpZXJAYXJtLmNvbT4KPiBDYzogUGV0ZXIgTWF5ZGVsbCA8cGV0ZXIubWF5ZGVsbEBsaW5hcm8u b3JnPgo+IC0tLQo+ICB2aXJ0L2t2bS9hcm0vbW1pby5jIHwgMTEgKysrKysrLS0tLS0KPiAgMSBm aWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0t Z2l0IGEvdmlydC9rdm0vYXJtL21taW8uYyBiL3ZpcnQva3ZtL2FybS9tbWlvLmMKPiBpbmRleCBk YWM3Y2ViMWE2NzcuLjA4NDQzYTE1ZTZiZSAxMDA2NDQKPiAtLS0gYS92aXJ0L2t2bS9hcm0vbW1p by5jCj4gKysrIGIvdmlydC9rdm0vYXJtL21taW8uYwo+IEBAIC0xMTcsNiArMTE3LDEyIEBAIGlu dCBrdm1faGFuZGxlX21taW9fcmV0dXJuKHN0cnVjdCBrdm1fdmNwdSAqdmNwdSwgc3RydWN0IGt2 bV9ydW4gKnJ1bikKPiAgCQl2Y3B1X3NldF9yZWcodmNwdSwgdmNwdS0+YXJjaC5tbWlvX2RlY29k ZS5ydCwgZGF0YSk7Cj4gIAl9Cj4gIAo+ICsJLyoKPiArCSAqIFRoZSBNTUlPIGluc3RydWN0aW9u IGlzIGVtdWxhdGVkIGFuZCBzaG91bGQgbm90IGJlIHJlLWV4ZWN1dGVkCj4gKwkgKiBpbiB0aGUg Z3Vlc3QuCj4gKwkgKi8KPiArCWt2bV9za2lwX2luc3RyKHZjcHUsIGt2bV92Y3B1X3RyYXBfaWxf aXMzMmJpdCh2Y3B1KSk7Cj4gKwo+ICAJcmV0dXJuIDA7Cj4gIH0KPiAgCj4gQEAgLTE0NCwxMSAr MTUwLDYgQEAgc3RhdGljIGludCBkZWNvZGVfaHNyKHN0cnVjdCBrdm1fdmNwdSAqdmNwdSwgYm9v bCAqaXNfd3JpdGUsIGludCAqbGVuKQo+ICAJdmNwdS0+YXJjaC5tbWlvX2RlY29kZS5zaWduX2V4 dGVuZCA9IHNpZ25fZXh0ZW5kOwo+ICAJdmNwdS0+YXJjaC5tbWlvX2RlY29kZS5ydCA9IHJ0Owo+ ICAKPiAtCS8qCj4gLQkgKiBUaGUgTU1JTyBpbnN0cnVjdGlvbiBpcyBlbXVsYXRlZCBhbmQgc2hv dWxkIG5vdCBiZSByZS1leGVjdXRlZAo+IC0JICogaW4gdGhlIGd1ZXN0Lgo+IC0JICovCj4gLQlr dm1fc2tpcF9pbnN0cih2Y3B1LCBrdm1fdmNwdV90cmFwX2lsX2lzMzJiaXQodmNwdSkpOwo+ICAJ cmV0dXJuIDA7Cj4gIH0KPiAgCj4gLS0gCj4gMi4xMS4wCj4gClJldmlld2VkLWJ5OiBDaHJpc3Rv ZmZlciBEYWxsIDxjaHJpc3RvZmZlci5kYWxsQGFybS5jb20+Cl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmt2bWFybSBtYWlsaW5nIGxpc3QKa3ZtYXJtQGxp c3RzLmNzLmNvbHVtYmlhLmVkdQpodHRwczovL2xpc3RzLmNzLmNvbHVtYmlhLmVkdS9tYWlsbWFu L2xpc3RpbmZvL2t2bWFybQo=