From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915/execlists: Poison the CSB after use Date: Tue, 30 Oct 2018 11:31:56 +0200 Message-ID: <877ehzixv7.fsf@gaia.fi.intel.com> References: <20181029192613.13551-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7CE8E6E15C for ; Tue, 30 Oct 2018 09:32:34 +0000 (UTC) In-Reply-To: <20181029192613.13551-1-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gQWZ0ZXIg cmVhZGluZyB0aGUgZXZlbnQgc3RhdHVzIGZyb20gdGhlIENTQiwgd3JpdGUgYmFjayAwIChhbiBp bnZhbGlkCj4gdmFsdWUpIHNvIHdlIGNhbiBkZXRlY3QgaWYgdGhlIEhXIHNob3VsZCBzaWduYWwg YSBuZXcgZXZlbnQgd2l0aG91dAo+IHdyaXRpbmcgdGhlIGV2ZW50IGluIHRoZSBmdXR1cmUuCj4K PiBSZWZlcmVuY2VzOiBodHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9p ZD0xMDgzMTUKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNv bi5jby51az4KPiBDYzogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51eC5pbnRlbC5j b20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5jIHwgMyArKysKPiAg MSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2xyYy5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJj LmMKPiBpbmRleCAyMmI1N2I4OTI2ZmMuLjEyNmVmZTIwZDJkNiAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2xyYy5jCj4gQEAgLTkxMCw2ICs5MTAsOSBAQCBzdGF0aWMgdm9pZCBwcm9jZXNzX2Nz YihzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmUpCj4gIAkJCSAgZXhlY2xpc3RzLT5hY3Rp dmUpOwo+ICAKPiAgCQlzdGF0dXMgPSBidWZbMiAqIGhlYWRdOwo+ICsJCUdFTV9CVUdfT04oIXN0 YXR1cyk7CgpBc3N1bWluZyB3ZSBzdGlsbCBoYXZlIGEgdGltaW5nIGlzc3VlIGluIGhlcmUsIGhv dyBhYm91dAp3ZSBwb2xsIGEgbGl0dGxlIHVudGlsIHN0YXR1cyAhPSAwIGFuZCB0aGVuIGNvbnRp bnVlIHdpdGggd2FybmluZz8KCldlIGNvdWxkIHJlY292ZXIgYnkgZmluZGluZyB0aGUgJ2JpdCBs YXRlJyBzdGF0dXMsIGluc3RlYWQgb2YKb29wc2luZyBvdXQuCgo+ICsJCUdFTV9ERUJVR19FWEVD KFdSSVRFX09OQ0UoKih1MzIgKikoYnVmICsgMiAqIGhlYWQpLCAwKSk7CgpXaGF0IEkgYW0gYWZy YWlkIGhlcmUgaXMgdGhhdCB3ZSBjaGFuZ2UgdGhlIHRpbWluZyBhbmQgY2FjaGUgZHluYW1pY3MK Zm9yIG91ciBkZWJ1ZyBidWlsZHMgc28gdGhhdCB3ZSBidXJ5IHRoZSBwZXNreSB0aGluZy4KClBl cmhhcHMgSSBhbSB3YW5kZXJpbmcgdG9vIGZhciBidXQgbGV0cyBjb25zaWRlciBmb3IgdGhlIGNz YiBsb29wOgoKcmVhZCBoZWFkLHRhaWw7CnJtYigpOwoKZm9yX2VhY2hfY3NiKCkgewogIDY0IGJp dCByZWFkIAogIDY0IGJpdCB3cml0ZSB0byB6ZXJvIGl0LCB1bmNvbmRpdGlvbmFsbHkgCiAgYWN0 X29uX2l0KCkKfQoKVG9vIGhlYXZ5PwoKVGhhbmtzLApNaWthCj4gKwo+ICAJCWlmIChzdGF0dXMg JiAoR0VOOF9DVFhfU1RBVFVTX0lETEVfQUNUSVZFIHwKPiAgCQkJICAgICAgR0VOOF9DVFhfU1RB VFVTX1BSRUVNUFRFRCkpCj4gIAkJCWV4ZWNsaXN0c19zZXRfYWN0aXZlKGV4ZWNsaXN0cywKPiAt LSAKPiAyLjE5LjEKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 Cg==