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Mon, 26 Aug 2024 12:02:59 +1000 (AEST) From: Michael Ellerman To: Geert Uytterhoeven , Dave Vasilevsky Cc: glaubitz@physik.fu-berlin.de, bhe@redhat.com, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Reimar =?utf-8?Q?D=C3=B6ffinger?= Subject: Re: [PATCH] crash: Default to CRASH_DUMP=n when support for it is unlikely In-Reply-To: References: <20240823125156.104775-1-dave@vasilevsky.ca> Date: Mon, 26 Aug 2024 12:02:59 +1000 Message-ID: <87frqsghws.fsf@mail.lhotse> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240825_190304_527928_70C776A5 X-CRM114-Status: GOOD ( 23.05 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org R2VlcnQgVXl0dGVyaG9ldmVuIDxnZWVydEBsaW51eC1tNjhrLm9yZz4gd3JpdGVzOgo+IEhpIERh dmUsCj4KPiBPbiBGcmksIEF1ZyAyMywgMjAyNCBhdCAyOjU04oCvUE0gRGF2ZSBWYXNpbGV2c2t5 IDxkYXZlQHZhc2lsZXZza3kuY2E+IHdyb3RlOgo+PiBGaXhlcyBib290IGZhaWx1cmVzIG9uIDYu OSBvbiBQUENfQk9PSzNTXzMyIG1hY2hpbmVzIHVzaW5nCj4+IE9wZW4gRmlybXdhcmUuIE9uIHRo ZXNlIG1hY2hpbmVzLCB0aGUga2VybmVsIHJlZnVzZXMgdG8gYm9vdAo+PiBmcm9tIG5vbi16ZXJv IFBIWVNJQ0FMX1NUQVJULCB3aGljaCBvY2N1cnMgd2hlbiBDUkFTSF9EVU1QIGlzIG9uLgo+Pgo+ PiBTaW5jZSBtb3N0IFBQQ19CT09LM1NfMzIgbWFjaGluZXMgYm9vdCB2aWEgT3BlbiBGaXJtd2Fy ZSwgaXQgc2hvdWxkCj4+IGRlZmF1bHQgdG8gb2ZmIGZvciB0aGVtLiBVc2VycyBib290aW5nIHZp YSBzb21lIG90aGVyIG1lY2hhbmlzbQo+PiBjYW4gc3RpbGwgdHVybiBpdCBvbiBleHBsaWNpdGx5 Lgo+Pgo+PiBBbHNvIGRlZmF1bHRzIHRvIENSQVNIX0RVTVA9biBvbiBzaC4KPj4KPj4gU2lnbmVk LW9mZi1ieTogRGF2ZSBWYXNpbGV2c2t5IDxkYXZlQHZhc2lsZXZza3kuY2E+Cj4+IFJlcG9ydGVk LWJ5OiBSZWltYXIgRMO2ZmZpbmdlciA8UmVpbWFyLkRvZWZmaW5nZXJAZ214LmRlPgo+PiBDbG9z ZXM6IGh0dHBzOi8vbGlzdHMuZGViaWFuLm9yZy9kZWJpYW4tcG93ZXJwYy8yMDI0LzA3L21zZzAw MDAxLmh0bWwKPj4gRml4ZXM6IDc1YmMyNTVhNzQ0NCAoImNyYXNoOiBjbGVhbiB1cCBrZHVtcCBy ZWxhdGVkIGNvbmZpZyBpdGVtcyIpCj4KPiBUaGFua3MgZm9yIHlvdXIgcGF0Y2ghCj4KPj4gLS0t IGEva2VybmVsL0tjb25maWcua2V4ZWMKPj4gKysrIGIva2VybmVsL0tjb25maWcua2V4ZWMKPj4g QEAgLTk3LDcgKzk3LDcgQEAgY29uZmlnIEtFWEVDX0pVTVAKPj4KPj4gIGNvbmZpZyBDUkFTSF9E VU1QCj4+ICAgICAgICAgYm9vbCAia2VybmVsIGNyYXNoIGR1bXBzIgo+PiAtICAgICAgIGRlZmF1 bHQgeQo+PiArICAgICAgIGRlZmF1bHQgQVJDSF9ERUZBVUxUX0NSQVNIX0RVTVAKPj4gICAgICAg ICBkZXBlbmRzIG9uIEFSQ0hfU1VQUE9SVFNfQ1JBU0hfRFVNUAo+PiAgICAgICAgIGRlcGVuZHMg b24gS0VYRUNfQ09SRQo+PiAgICAgICAgIHNlbGVjdCBWTUNPUkVfSU5GTwo+Cj4gSU1ITyBDUkFT SF9EVU1QIHNob3VsZCBqdXN0IGRlZmF1bHQgdG8gbiwgbGlrZSBtb3N0IGtlcm5lbCBvcHRpb25z LCBhcwo+IGl0IGVuYWJsZXMgbm9uLXRyaXZpYWwgZXh0cmEgZnVuY3Rpb25hbGl0eTogdGhlIGtl cm5lbCBzb3VyY2UgdHJlZSBoYXMKPiBtb3JlIHRoYW4gMTAwIGxvY2F0aW9ucyB0aGF0IGNoZWNr IGlmIENPTkZJR19DUkFTSF9EVU1QIGlzIGVuYWJsZWQuCj4KPiBMZXR0aW5nIGl0IGRlZmF1bHQg dG8gZW5hYmxlZCBhbHNvIGNvbmZsaWN0cyB3aXRoIHRoZSBzcGlyaXQgb2YgdGhlCj4gaGVscCB0 ZXh0IGZvciB0aGUgc3ltYm9sOgo+Cj4gICAgICAgICAgIEdlbmVyYXRlIGNyYXNoIGR1bXAgYWZ0 ZXIgYmVpbmcgc3RhcnRlZCBieSBrZXhlYy4KPiAgICAgICAgICAgVGhpcyBzaG91bGQgYmUgbm9y bWFsbHkgb25seSBzZXQgaW4gc3BlY2lhbCBjcmFzaCBkdW1wIGtlcm5lbHMKPiAgICAgICAgICAg Xl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5e Xl5eXl4KPiAgICAgICAgICAgd2hpY2ggYXJlIGxvYWRlZCBpbiB0aGUgbWFpbiBrZXJuZWwgd2l0 aCBrZXhlYy10b29scyBpbnRvCj4gICAgICAgICAgIGEgc3BlY2lhbGx5IHJlc2VydmVkIHJlZ2lv biBhbmQgdGhlbiBsYXRlciBleGVjdXRlZCBhZnRlcgo+ICAgICAgICAgICBhIGNyYXNoIGJ5IGtk dW1wL2tleGVjLiBUaGUgY3Jhc2ggZHVtcCBrZXJuZWwgbXVzdCBiZSBjb21waWxlZAo+ICAgICAg ICAgICB0byBhIG1lbW9yeSBhZGRyZXNzIG5vdCB1c2VkIGJ5IHRoZSBtYWluIGtlcm5lbCBvciBC SU9TIHVzaW5nCj4gICAgICAgICAgIFBIWVNJQ0FMX1NUQVJULCBvciBpdCBtdXN0IGJlIGJ1aWx0 IGFzIGEgcmVsb2NhdGFibGUgaW1hZ2UKPiAgICAgICAgICAgKENPTkZJR19SRUxPQ0FUQUJMRT15 KS4KPiAgICAgICAgICAgRm9yIG1vcmUgZGV0YWlscyBzZWUgRG9jdW1lbnRhdGlvbi9hZG1pbi1n dWlkZS9rZHVtcC9rZHVtcC5yc3QKPgo+ICAgICAgICAgICBGb3IgczM5MCwgdGhpcyBvcHRpb24g YWxzbyBlbmFibGVzIHpmY3BkdW1wLgo+ICAgICAgICAgICBTZWUgYWxzbyA8ZmlsZTpEb2N1bWVu dGF0aW9uL2FyY2gvczM5MC96ZmNwZHVtcC5yc3Q+Cj4KPiBXaGF0IGlzIHNvIHNwZWNpYWwgYWJv dXQgQ1JBU0hfRFVNUCwgdGhhdCBpdCBzaG91bGQgYmUgZW5hYmxlZCBieQo+IGRlZmF1bHQ/CiAK VGhlIHJlYWxpdHkgaXMgdGhhdCBlc3NlbnRpYWxseSBhbGwgZGlzdHJvcyBlbmFibGUgaXQuIEJl Y2F1c2UgdGhleQpkb24ndCB3YW50IHRvIG1hbmFnZSBzZXBhcmF0ZSBrZXJuZWwgLyBjcmFzaC1r ZXJuZWwgcGFja2FnZXMuCgpTbyBJTUhPIGhhdmluZyBpdCBlbmFibGVkIGJ5IGRlZmF1bHQgaW4g dXBzdHJlYW0gZG9lcyBtYWtlIHNlbnNlLApiZWNhdXNlIGl0IG1vcmUgY2xvc2VseSBtYXRjaGVz IHdoYXQgZGlzdHJvcy91c2VycyBhY3R1YWxseSBydW4uCgpjaGVlcnMKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmtleGVjIG1haWxpbmcgbGlzdAprZXhl Y0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4v bGlzdGluZm8va2V4ZWMK