From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ahmed S. Darwish" Subject: Re: [PATCH v2 0/3] drm: Add panic handling Date: Mon, 18 Mar 2019 00:06:13 +0100 Message-ID: <20190317230613.GA9080@darwi-home-pc> References: <20190311174218.51899-1-noralf@tronnes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20190311174218.51899-1-noralf@tronnes.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Daniel Vetter , Noralf =?iso-8859-1?Q?Tr=F8nnes?= Cc: John Ogness , Christian =?iso-8859-1?Q?K=F6nig?= , Michel =?iso-8859-1?Q?D=E4nzer?= , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Sam Ravnborg , daniel.vetter@ffwll.ch, Thomas Gleixner , Nicholas Kazlauskas List-Id: dri-devel@lists.freedesktop.org Cj0+IE5vdyB0aGF0IHRoZSBkdXN0IGhhcyBzZXR0bGVkLCBoZXJlJ3MgYSBzdW1tYXJ5IG9mIHRo aXMgaHVnZQogICA1MC1lbWFpbCB0aHJlYWQgKHRoYW5rcyBEYW5pZWwsIE5vcmFsZiwgSm9obiwg ZXZlcnlvbmUhKS4KCj0+IFBhcnRzIG9mIHRoaXMgZG9jdW1lbnQgYXJlIGEgZGlyZWN0IHJld29y ZGluZyBvZiBEYW5pZWwncyByZXBsaWVzLAogICBzbyBJIHRvb2sgdGhlIGxpYmVydHkgb2YgYWRk aW5nIGEgQ28tZGV2ZWxvcGVkLWJ5IHRhZyBoZXJlLi4KCj0+IFRoaXMgaXMgb25seSBhIHN1bW1h cnksIGFuZCBfbm90XyBhbiBvZmZpY2lhbCBwYXRjaCBzdWJtaXNzaW9uLgogICBJdCdzIG5vdyBT aG93LW1lLXRoZS1jb2RlIHRpbWUgOy0pCgpTdWJqZWN0OiBbUEFUQ0hdIERvY3VtZW50YXRpb246 IGdwdTogQWRkIGluaXRpYWwgRFJNIHBhbmljIGRlc2lnbgoKQ28tZGV2ZWxvcGVkLWJ5OiBEYW5p ZWwgVmV0dGVyIDxkYW5pZWxAZmZ3bGwuY2g+ClNpZ25lZC1vZmYtYnk6IEFobWVkIFMuIERhcndp c2ggPGRhcndpc2guMDdAZ21haWwuY29tPgotLS0KIERvY3VtZW50YXRpb24vZ3B1L2RybS1wYW5p Yy1kZXNpZ24ucnN0IHwgMTI0ICsrKysrKysrKysrKysrKysrKysrKysrKysKIDEgZmlsZSBjaGFu Z2VkLCAxMjQgaW5zZXJ0aW9ucygrKQogY3JlYXRlIG1vZGUgMTAwNjQ0IERvY3VtZW50YXRpb24v Z3B1L2RybS1wYW5pYy1kZXNpZ24ucnN0CgpkaWZmIC0tZ2l0IGEvRG9jdW1lbnRhdGlvbi9ncHUv ZHJtLXBhbmljLWRlc2lnbi5yc3QgYi9Eb2N1bWVudGF0aW9uL2dwdS9kcm0tcGFuaWMtZGVzaWdu LnJzdApuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRleCAwMDAwMDAwMDAwMDAuLmJhMzA2MTkzZjM0 NwotLS0gL2Rldi9udWxsCisrKyBiL0RvY3VtZW50YXRpb24vZ3B1L2RybS1wYW5pYy1kZXNpZ24u cnN0CkBAIC0wLDAgKzEsMTI0IEBACisKKz09PT09PT09PT09PT09PT09PT09PT09PQorQSBEUk0t YmFzZWQgcGFuaWMgdmlld2VyCis9PT09PT09PT09PT09PT09PT09PT09PT0KKworVGhlIExpbnV4 IEtlcm5lbCBjdXJyZW50bHkgY29udGFpbnMgdGhlIG5lY2Vzc2FyeSBwbHVtYmluZyBmb3Igdmll d2luZworYSBrZXJuZWwgcGFuaWMgbG9nIHVzaW5nIERSTS1iYXNlZCBrbXNnIGR1bXBlcnMsIGV2 ZW4gaWYgdGhlIHN5c3RlbSBpcworY3VycmVudGx5IHJ1bm5pbmcgYSBncmFwaGljYWwgc2Vzc2lv biAoZS5nLiB3YXlsYW5kKS4KKworLi4gX2RybV9wYW5pY19kZXNpZ246CisKK0ltcGxlbWVudGF0 aW9uIGRlc2lnbgorPT09PT09PT09PT09PT09PT09PT09CisKK0NvZGUgcGF0aGVzIHJ1bm5pbmcg aW4gYSBwYW5pYyBjb250ZXh0IGZhY2Ugc2V2ZXJhbCBjb25zdHJhaW50czoKKworMS4gQ29kZSBt dXN0IGJlIGZ1bGx5IHN5bmNocm9ub3VzOiBpbnRlcnJ1cHRzIGFyZSBkaXNhYmxlZAorMi4gRHlu YW1pYyBtZW1vcnkgYWxsb2NhdGlvbnMgYXJlIG5vdCBhbGxvd2VkCiszLiBDYW5ub3QgYWNxdWly ZSBhbnkgbXV0ZXhlczogYXRvbWljIGNvbnRleHQsIGR1ZSB0byAxLgorNC4gQ2Fubm90IGFjcXVp cmUgYW55IHNwaW4gbG9ja3M6IHBvdGVudGlhbCBzcGlubmluZy1mb3JldmVyIHJpc2sKKworRm9y IHRoZSAqRFJNKiBwYW5pYyBjb2RlLCB0aGUgZXh0cmEgY29uZGl0aW9ucyBiZWxvdyBhcHBseToK KworNS4gQ29kZSBtdXN0IG9ubHkgdHJ5bG9jayByZWxldmFudCBEUk0gc3Vic3lzdGVtIGxvY2tz Cis2LiBJZiBhbnkgdHJ5bG9jayBvcGVyYXRpb24gZmFpbHMsIHRoZSBjb2RlICptdXN0IG5vdCog Z28gdGhyb3VnaAorNy4gQWxsIHJlbmRlcmluZyBpcyBkb25lIG9uIHRoZSBHUFUncyAiY3VycmVu dCBkaXNwbGF5IGJ1ZmZlciIgdXNlZAorICAgYXQgdGhlIHRpbWUgb2YgcGFuaWMoKTogbm8gSFcg cHJvZ3JhbW1pbmcgaXMgZG9uZSBhdCBhbGwuCis4LiBUaGUgY29kZSBtdXN0IGJlIG5vbi1pbnRy dXNpdmUsIGFuZCAqbXVzdCBub3QqIGFmZmVjdCBhbnkgb3RoZXIKKyAgIHBhbmljIGhhbmRsaW5n IG1lY2hhbmlzbSAobmV0Y29uc29sZSwgcmFtb29wcywga2V4ZWMsIGV0Yy4pCisKK1JhdGlvbmFs ZSBmb2xsb3dzLgorCisKK1NwaW4gbG9ja3MKKy0tLS0tLS0tLS0KKworQWNxdWlyaW5nIGEgc3Bp biBsb2NrIGluIGEgcGFuaWMoKSBjb250ZXh0IGlzIHBvdGVudGlhbGx5IGxldGhhbDoKK3RoZSBs b2NrIG1pZ2h0J3ZlIGJlZW4gYWxyZWFkeSBhY3F1aXJlZCwgX3Blcm1hbmVudGx5XywgYnkgYW5v dGhlcgorY29yZSB0aGF0IGlzIG5vdyBmdWxseSBzaHV0IGRvd24gdGhyb3VnaCBhbiBJUEkgZnJv bSB0aGUgcGFuaWMoKS1pbmcKK2NvcmUuCisKK01vcmVvdmVyLCBhdCBsZWFzdCBvbiB4ODYsIHRo ZSBmaXJzdCB0YXJnZXQgYXJjaGl0ZWN0dXJlIGZvciB0aGlzCit3b3JrLCB0aGUgcGFuaWMoKS1p bmcgY29yZSB3YWl0IGJ5IGRlZmF1bHQgZm9yICphIGZ1bGwgc2Vjb25kKiB1bnRpbAorYWxsIG90 aGVyIGNvcmVzIGZpbmlzaCB0aGVpciBub24tcHJlZW1wdGlibGUgcmVnaW9ucyBhbmQgdGVybWlu YXRlLgorSWYgdGhhdCBkaWQgbm90IHdvcmsgb3V0LCBpdCBldmVuIHRyaWVzIG1vcmUgYWdncmVz c2l2ZWx5IHdpdGggTk1Jcy4KKworU28gaWYgdGhlIG90aGVyIG5vbiBwYW5pYygpLWluZyBjb3Jl cyB3YXMgaG9sZGluZyBhIERSTS1yZWxhdGVkIGxvY2sKK3Rocm91Z2ggc3Bpbl9sb2NrX2lycXNh dmUoKSBmb3IgbW9yZSB0aGFuIG9uZSBzZWNvbmQsIHRoZW4gaXQncyBhCitidWcgaW4gdGhlIERS TSBsYXllciBjb2RlLiBUaHVzLCB0aGUgRFJNIHBhbmljIHZpZXdlciBjYW5ub3QgZG8KK2FueXRo aW5nIGFuZCBzaG91bGQganVzdCBleGl0LiAgW0FdCisKK1doYXQgaWYgdGhlIG5vbiBwYW5pYygp LWluZyBjb3JlIHdhcyBob2xkaW5nIGEgRFJNIGxvY2sgdGhyb3VnaAorYmFyZWJvbmUgc3Bpbl9s b2NrKCk/IEludGVycnVwdHMgYXJlIGVuYWJsZWQgdGhlcmUsIHNvIHRoZSBJUEkgd2lsbCBiZQor aGFuZGxlZCwgYW5kIHRodXMgdGhhdCBjb3JlIHdpbGwgZWZmZWN0aXZlbHkgZGllIHdoaWxlIHRo ZSBsb2NrIGlzCisqZm9yZXZlciBoZWxkKi4gIFtCXQorCisKK1RyeWxvY2tpbmcKKy0tLS0tLS0t LS0KKworVGhlIERSTSBwYW5pYyBjb2RlIGFsd2F5cyAqdHJpZXMqIHRvIGFjcXVpcmUgdGhlICpt aW5pbXVtIHJlbGV2YW50CitzZXQqIG9mIERSTSByZWxhdGVkIGxvY2tzLCB0aHJvdWdoIHRoZSBi YXNpYyA6YzpmdW5jOmBzcGluX3RyeWxvY2soKWAKK21lY2hhbmlzbS4KKworRnJvbSBjYXNlIFtB XSBhbmQgY2FzZSBbQl0gYWJvdmUsIGlmIHRoZSB0cnlsb2NrIG9wZXJhdGlvbiBmYWlscywKK3Ro ZXJlJ3Mgbm8gcG9pbnQgaW4gcmV0cnlpbmcgaXQgbXVsdGlwbGUgdGltZXM6IHRoZSByZWxldmFu dCBsb2NrcworYXJlIGluIGEgYnJva2VuIGFuZCB1bnJlY292ZXJhYmxlIHN0YXRlIGFueXdheS4K KworTW9yZW92ZXIsIFRoZSBwYW5pYyBjb2RlIGNhbm5vdCBhbHNvIGp1c3QgaWdub3JlIHRoZSBE Uk0gbG9ja3MgYW5kCitmb3JjZSBpdHMgd2F5IHRocm91Z2g6IGEgYnJva2VuIG5vbi1wcmVlbXB0 aWJsZSBEUk0gcmVnaW9uIGltcGxpZXMKK2VpdGhlciBpbnZhbGlkIFNXIHN0YXRlIChlLmcuIGJy b2tlbiBsaW5rZWQgbGlzdCBwb2ludGVycyksIG9yIGEgR1BVCitpbiBhbiB1bmtub3duIEhXIHN0 YXRlLgorCitBIEdQVSBpbiBhbiB1bmtub3duIEhXIHN0YXRlIGlzIHF1aXRlIGRhbmdlcm91czog aXQgaGFzIGFjY2VzcyB0byB0aGUKK2Z1bGwgc3lzdGVtIG1lbW9yeSwgYW5kIGlmIHBva2VkIGlu Y29ycmVjdGx5LCB0aGVyZSdzIGEgcmVhbGx5IGdvb2QKK2NoYW5jZSBpdCBjYW4ga2lsbCB0aGUg ZW50aXJlIG1hY2hpbmUuCisKKworR1BVIGhhcmR3YXJlIGFjY2VzcworLS0tLS0tLS0tLS0tLS0t LS0tLQorCitJbiB0aGUgY3VycmVudCBzdGF0ZSwgYSBmdWxsIEdQVSByZXNldCwgbW9kZXNldHRp bmcsIG9yIGV2ZW4gZGlzYWJsaW5nCitHUFUgcGxhbmVzLCBpcyBub3QgZG9hYmxlIHVuZGVyIGEg cGFuaWMoKSBjb250ZXh0OiBpdCBpbXBsaWVzIGdvaW5nCit0aHJvdWdoIGEgcG90ZW50aWFsbHkg aHVnZSBzZXQgb2YgRFJNIGNhbGwtY2hhaW5zIHRoYXQgY2Fubm90IGJlCitzYW5lbHkgdmVyaWZp ZWQgYWdhaW5zdCB0aGUgOnJlZjpgZHJtX3BhbmljX2Rlc2lnbmAgcmVxdWlyZW1lbnRzCisoZS5n LiBtZW1vcnkgYWxsb2NhdGlvbnMsIHNwaW5sb2NrcywgZXRjLikuCisKK1RoZSBjdXJyZW50IGFw cHJvYWNoIGlzIHNpbXBsZTogcnVuIHRoZSBtaW5pbWFsIGFtb3VudCBvZiBjb2RlCituZWNlc3Nh cnkgdG8gZHJhdyBwaXhlbHMgb250byB0aGUgY3VycmVudCBzY2Fub3V0IGJ1ZmZlcnMuIEluc3Rl YWQKK29mIGRpc2FibGluZyBHUFUgcGxhbmVzLCB0aGUgYmlnZ2VzdCB2aXNpYmxlIHJlY3Rhbmds ZSBpcyBqdXN0IHBpY2tlZC4KKworKlVzdWFsbHkqIHRoZXJlIHNob3VsZCBiZSBhIG1haW4gd2lu ZG93IHRoYXQgaXMgYmlnIGVub3VnaCB0byBzaG93IHRoZQorb29wcy4KKworCitDSSB0ZXN0aW5n CistLS0tLS0tLS0tCisKK09uZSBvZiB0aGUgdGhpbmdzIHRoYXQga2lsbGVkIGVhcmxpZXIgbGlu dXggRFJNIHBhbmljIGhhbmRsaW5nIGVmZm9ydHMsCitiZXNpZGUgZ2V0dGluZyBpbnRvIGRlZXAg RFJNIGNhbGwtY2hhaW5zIHRoYXQgY2Fubm90IGJlIHZlcmlmaWVkLCB3YXMKK3RoYXQgaXQgY291 bGRuJ3QgYmUgdGVzdGVkIGV4Y2VwdCB3aXRoIHJlYWwgb29wc2VzLgorCitUaGUgZmlyc3Qgc2V0 IG9mIGJ1ZyByZXBvcnRzIHdhcyB3aGFjay1hLW1vbGRlIGtpbmQgb2YgYnVncyB3aGVyZSB0aGUK K29vcHMgZGlzcGxheWVkIHdhcyBjYXVzZWQgYnkgdGhlIERSTSBwYW5pYyBoYW5kbGVyIGl0c2Vs ZiBpbnN0ZWFkIG9mCit0aGUgcmVhbCBvb3BzIGNhdXNpbmcgdGhlIHBhbmljLgorCitUaHVzLCB0 aGUgOnJlZjpgZHJtX3BhbmljX2Rlc2lnbmAgcmVxdWlyZW1lbnRzIHdhcyBjcmVhdGVkLiBNb3Jl b3ZlcjoKKworICAtIFNwZWNpYWwgaG9va3MgYXJlIGFkZGVkIGF0IHRoZSBzcGluX2xvY2soKSBs ZXZlbCB0byBjb21wbGFpbgorICAgIGxvdWRseSBpZiBhIHNwaW4gbG9jayBvcGVyYXRpb24gd2Fz IHRyaWVkIHVuZGVyIHRoZSBEUk0gcGFuaWMKKyAgICBjb250ZXh0LiBUaGlzIGNvdWxkIGJlIGVh c2lseSBub3RpY2VkL3JlcG9ydGVkIGJ5IENJIHRlc3RpbmcuCisKKyAgLSAqTm9uLWRlc3RydWN0 aXZlKiB0ZXN0aW5nIG9mIHRoZSBEUk0gcGFuaWMgY29kZSwgZW11bGF0aW5nIGEKKyAgICByZWFs IHBhbmljIHBhdGggY29udGV4dCBhcyBtdWNoIGFzIHBvc3NpYmxlIChlLmcuIGJ5IGRpc2FibGlu ZworICAgIGlycXMgYW5kIGVuYWJsaW5nIHRoZSBzcGluIGxvY2sgaG9va3MgZWFybGllciBtZW50 aW9uZWQpLCBpcworICAgIGNyZWF0ZWQuIFRoaXMgaXMgbmVjZXNzYXJ5IGZvciBoZWF2aWxpbmcg dGVzdGluZyB0aGUgRFJNIHBhbmljCisgICAgY29kZSB0aHJvdWdoIGBDSSBtYWNoaW5lcyA8aHR0 cHM6Ly9sd24ubmV0L0FydGljbGVzLzczNTQ2OC8+YF8uCisKKworU3VwcG9ydGVkIGRyaXZlcnMK Kz09PT09PT09PT09PT09PT09CisKKyogSW50ZWwgaTkxNS1jb21wYXRpYmxlIGNhcmRzCgoKLS0K ZGFyd2kKaHR0cDovL2Rhcndpc2guY2hhc2luZ3BvaW50ZXJzLmNvbQpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRy aS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw=