From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [RFC 01/22] xen/arm: do_trap_instr_abort_guest: Move the IPA computation out of the switch Date: Tue, 6 Sep 2016 15:54:04 +0100 Message-ID: References: <1469717505-8026-1-git-send-email-julien.grall@arm.com> <1469717505-8026-2-git-send-email-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Stefano Stabellini Cc: proskurin@sec.in.tum.de, wei.chen@linaro.org, steve.capper@arm.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org CgpPbiAzMS8wOC8xNiAyMDo0MywgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+IE9uIFR1ZSwg MTYgQXVnIDIwMTYsIEp1bGllbiBHcmFsbCB3cm90ZToKPj4gSGkgU3RlZmFubywKPj4KPj4gT24g MTYvMDgvMjAxNiAwMToyMSwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+Pj4gT24gVGh1LCAy OCBKdWwgMjAxNiwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4+IEEgZm9sbG93LXVwIHBhdGNoIHdp bGwgYWRkIG1vcmUgY2FzZSB0byB0aGUgc3dpdGNoIHRoYXQgd2lsbCByZXF1aXJlIHRoZQo+Pj4+ IElQQS4gU28gbW92ZSB0aGUgY29tcHV0YXRpb24gb3V0IG9mIHRoZSBzd2l0Y2guCj4+Pj4KPj4+ PiBTaWduZWQtb2ZmLWJ5OiBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFsbEBhcm0uY29tPgo+Pj4+ IC0tLQo+Pj4+ICB4ZW4vYXJjaC9hcm0vdHJhcHMuYyB8IDM2ICsrKysrKysrKysrKysrKysrKy0t LS0tLS0tLS0tLS0tLS0tLQo+Pj4+ICAxIGZpbGUgY2hhbmdlZCwgMTggaW5zZXJ0aW9ucygrKSwg MTggZGVsZXRpb25zKC0pCj4+Pj4KPj4+PiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL3RyYXBz LmMgYi94ZW4vYXJjaC9hcm0vdHJhcHMuYwo+Pj4+IGluZGV4IDY4M2JjYjIuLjQ2ZTA2NjMgMTAw NjQ0Cj4+Pj4gLS0tIGEveGVuL2FyY2gvYXJtL3RyYXBzLmMKPj4+PiArKysgYi94ZW4vYXJjaC9h cm0vdHJhcHMuYwo+Pj4+IEBAIC0yNDAzLDM1ICsyNDAzLDM1IEBAIHN0YXRpYyB2b2lkIGRvX3Ry YXBfaW5zdHJfYWJvcnRfZ3Vlc3Qoc3RydWN0Cj4+Pj4gY3B1X3VzZXJfcmVncyAqcmVncywKPj4+ PiAgICAgIGludCByYzsKPj4+PiAgICAgIHJlZ2lzdGVyX3QgZ3ZhID0gUkVBRF9TWVNSRUcoRkFS X0VMMik7Cj4+Pj4gICAgICB1aW50OF90IGZzYyA9IGhzci5pYWJ0Lmlmc2MgJiB+RlNDX0xMX01B U0s7Cj4+Pj4gKyAgICBwYWRkcl90IGdwYTsKPj4+PiArCj4+Pj4gKyAgICBpZiAoIGhwZmFyX2lz X3ZhbGlkKGhzci5pYWJ0LnMxcHR3LCBmc2MpICkKPj4+PiArICAgICAgICBncGEgPSBnZXRfZmF1 bHRpbmdfaXBhKGd2YSk7Cj4+Pj4gKyAgICBlbHNlCj4+Pj4gKyAgICB7Cj4+Pj4gKyAgICAgICAg LyoKPj4+PiArICAgICAgICAgKiBGbHVzaCB0aGUgVExCIHRvIG1ha2Ugc3VyZSB0aGUgRFRMQiBp cyBjbGVhciBiZWZvcmUKPj4+PiArICAgICAgICAgKiBkb2luZyBHVkEtPklQQSB0cmFuc2xhdGlv bi4gSWYgd2UgZ290IGhlcmUgYmVjYXVzZSBvZgo+Pj4+ICsgICAgICAgICAqIGFuIGVudHJ5IG9u bHkgcHJlc2VudCBpbiB0aGUgSVRMQiwgdGhpcyB0cmFuc2xhdGlvbiBtYXkKPj4+PiArICAgICAg ICAgKiBzdGlsbCBiZSBpbmFjY3VyYXRlLgo+Pj4+ICsgICAgICAgICAqLwo+Pj4+ICsgICAgICAg IGZsdXNoX3RsYl9sb2NhbCgpOwo+Pj4+ICsKPj4+PiArICAgICAgICByYyA9IGd2YV90b19pcGEo Z3ZhLCAmZ3BhLCBHVjJNX1JFQUQpOwo+Pj4+ICsgICAgICAgIGlmICggcmMgPT0gLUVGQVVMVCAp Cj4+Pj4gKyAgICAgICAgICAgIHJldHVybjsgLyogVHJ5IGFnYWluICovCj4+Pgo+Pj4gVGhlIGlz c3VlIHdpdGggdGhpcyBpcyB0aGF0IG5vdyBmb3IgYW55IGNhc2VzIHRoYXQgZG9uJ3QgcmVxdWly ZSBhIGdwYQo+Pj4gaWYgZ3ZhX3RvX2lwYSBmYWlscyB3ZSB3cm9uZ2x5IHJldHVybiAtRUZBVUxU Lgo+Pgo+PiBXZWxsLCBzdGFnZS0xIGZhdWx0IGlzIHByaW9yaXRpemVkIG92ZXIgc3RhZ2UtMiBm YXVsdCAoc2VlIEIzLjEyLjMgaW4gQVJNIERESQo+PiAwNDA2Qy5iKSwgc28gZ3ZhX3RvX2lwYSBz aG91bGQgbmV2ZXIgZmFpbCB1bmxlc3Mgc29tZW9uZSBpcyBwbGF5aW5nIHdpdGggdGhlCj4+IHN0 YWdlLTEgcGFnZSB0YWJsZSBhdCB0aGUgc2FtZSB0aW1lIG9yIGJlY2F1c2Ugb2YgYW4gZXJyYXR1 bSAoc2VlIDgzNDIyMCkuIEluCj4+IGJvdGggY2FzZSwgd2Ugc2hvdWxkIHJlcGxheSB0aGUgaW5z dHJ1Y3Rpb24gdG8gbGV0IHRoZSBwcm9jZXNzb3IgaW5qZWN0aW5nIHRoZQo+PiBjb3JyZWN0IGZh dWx0Lgo+Pgo+PiBGV0lXLCB0aGlzIGlzIGFscmVhZHkgd2hhdCB3ZSBkbyBmb3IgdGhlIGRhdGEg YWJvcnQgaGFuZGxlci4KPj4KPj4+Cj4+PiBJIHN1Z2dlc3QgaGF2aW5nIHR3byBzd2l0Y2hlcyBv ciBmYWxsaW5nIHRocm91Z2ggZnJvbSB0aGUgZmlyc3QgY2FzZSB0bwo+Pj4gdGhlIHNlY29uZC4K Pj4KPj4gSSBhbSBub3Qgc3VyZSB0byB1bmRlcnN0YW5kIHlvdXIgc3VnZ2VzdGlvbi4gQ291bGQg eW91IGRldGFpbCBpdD8KPgo+IEkgd2FzIG1lcmVseSBzdWdnZXN0aW5nIHRvIGFkZCBhbm90aGVy IHN3aXRjaCBsaWtlOgo+Cj4gICArICAgc3dpdGNoICggZnNjICkKPiAgICsgICB7Cj4gICArICAg Y2FzZSBGU0NfRkxUX1BFUk06Cj4gICArICAgY2FzZSBCTEE6Cj4gICArICAgICAgIGZpbmQgZ3Bh Owo+ICAgKyAgIGRlZmF1bHQ6Cj4gICArICAgfQo+Cj4gICAgICBzd2l0Y2ggKCBmc2MgKQo+ICAg ICAgewo+Cj4gYnV0IGdpdmVuIHRoYXQgd2UgYXJlIGFscmVhZHkgcmVseWluZyBvbiB0aGUgZ3Zh X3RvX2lwYSB0cmFuc2xhdGlvbiBpbgo+IHRoZSBkYXRhIGFib3J0IGhhbmRsZXIsIHlvdXIgcGF0 Y2ggaXMgZmluZSB0b28uCj4KPiBBY2tlZC1ieTogU3RlZmFubyBTdGFiZWxsaW5pIDxzc3RhYmVs bGluaUBrZXJuZWwub3JnPgoKVGhhbmsgeW91ISBGV0lXLCBJIGFtIHBsYW5uaW5nIHRvIG1lcmdl IHRoZSBpbnN0cnVjdGlvbiBhbmQgZGF0YSBhYm9ydCAKcGF0aHMgYWZ0ZXIgWGVuIDQuOC4gSSB3 aWxsIGF2b2lkIHRvIGRpdmVyZ2UgYmV0d2VlbiB0aGUgdHdvIAppbXBsZW1lbnRhdGlvbnMuCgpD aGVlcnMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54 ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK