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Mon, 27 May 2024 05:19:02 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-491-g033e30d24-fm-20240520.001-g033e30d2 MIME-Version: 1.0 Message-Id: <36cd10de-c51c-40ff-90e8-71495406019d@app.fastmail.com> In-Reply-To: References: Date: Mon, 27 May 2024 11:18:32 +0200 From: "Arnd Bergmann" To: =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , "Ard Biesheuvel" Cc: linux-arm-kernel@lists.infradead.org, "Pengutronix Kernel Team" , "Steven Rostedt" , "Mark Rutland" Subject: Re: FUNCTION_GRAPH_TRACER + UNWINDER_FRAME_POINTER broken on arm X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240527_021911_269373_2FF6E140 X-CRM114-Status: GOOD ( 12.52 ) X-BeenThere: linux-arm-kernel@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: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gU2F0LCBNYXkgMjUsIDIwMjQsIGF0IDA5OjU5LCBVd2UgS2xlaW5lLUvDtm5pZyB3cm90ZToK Pgo+IFdpdGggRlVOQ1RJT05fR1JBUEhfVFJBQ0VSPXkgYW5kIENPTkZJR19VTldJTkRFUl9GUkFN RV9QT0lOVEVSPXkgSQo+IGV4cGVyaWVuY2UgdGhlIGZvbGxvd2luZyBpc3N1ZToKPgo+IAkjIGVj aG8gZnVuY3Rpb25fZ3JhcGggPiAvc3lzL2tlcm5lbC90cmFjaW5nL2N1cnJlbnRfdHJhY2VyCj4g CVsgIDMwMy44MTIyOTVdIEtlcm5lbCBwYW5pYyAtIG5vdCBzeW5jaW5nOiDvv71lCj4gCVsgIDMw My44MTY3MzhdIC0tLVsgZW5kIEtlcm5lbCBwYW5pYyAtIG5vdCBzeW5jaW5nOiDvv71lIF0tLS0K Pgo+IFRoaXMgcmVwcm9kdWNlcyByZWxpYWJseSBvbiB2Ni45IChvbiBhbiBpLk1YMjUgYmFzZWQg bWFjaGluZSkuCj4KPiBCaXNlY3Rpb24gcG9pbnRzIG9uIHY1LjE4LXJjMX4xNTBeMn43XjJ+NiAo IkFSTTogZnRyYWNlOiBlbmFibGUKCkkgdG9vayBhIGxvb2sgYXQgd2hhdCB0aGUgcmVtYWluaW5n IHVzZXMgb2YgdGhlIGZyYW1lIHBvaW50ZXIKdW53aW5kZXIgYXJlLCBvciBpZiB3ZSBjb3VsZCBq dXN0IHVzZSB0aGUgQXJtIHVud2luZGVyCmV2ZXJ5d2hlcmUuIEZvciBPQUJJIGtlcm5lbHMsIHRo ZSBmcmFtZSBwb2ludGVyIHVud2luZGVyIGlzCnN0aWxsIHJlcXVpcmVkIG9mIGNvdXJzZSwgYnV0 IHRoZSBBcm0gdW53aW5kZXIgaXMgYWxyZWFkeSB0aGUKZGVmYXVsdCBmb3IgYWxsIENPTkZJR19B RUFCSSBrZXJuZWxzIGFuZCByZXF1aXJlZCBmb3IKYWxsIHY2L3Y3L3Y3bSBvbmVzLiBVbnRpbCB0 d28geWVhcnMgYWdvIHdpdGggY29tbWl0CjQxOTE4ZWM4MmViNiAoIkFSTTogZnRyYWNlOiBlbmFi bGUgdGhlIGdyYXBoIHRyYWNlciB3aXRoCnRoZSBFQUJJIHVud2luZGVyIiksIHRoZSBmcmFtZSBw b2ludGVyIHVud2luZGVyIHdhcyBhbHNvCnJlcXVpcmVkIGZvciBDT05GSUdfRlVOQ1RJT05fR1JB UEhfVFJBQ0VSLCBhbmQgdGhhdCBpcwpsaWtlbHkgd2h5IHlvdSBoYWQgdGhhdCBjb25maWd1cmF0 aW9uLCBidXQgd2Ugbm8gbG9uZ2VyCmRlcGVuZCBvbiBpdCBmb3IgYW55dGhpbmcgZWxzZS4KCkhv d2V2ZXIsIEkgY2FtZSBhY3Jvc3MgdGhpcyBiaXQgZnJvbSBhcmNoL2FybS9pbmNsdWRlL2FzbS9m dHJhY2UuaAp0aGF0IHNlZW1zIHRvIGJlIHRoZSBvbmx5IGRvd25zaWRlIG9mIENPTkZJR19BUk1f VU5XSU5EOgoKI2lmIGRlZmluZWQoQ09ORklHX0ZSQU1FX1BPSU5URVIpICYmICFkZWZpbmVkKENP TkZJR19BUk1fVU5XSU5EKQovKgogKiByZXR1cm5fYWRkcmVzcyB1c2VzIHdhbGtfc3RhY2tmcmFt ZSB0byBkbyBpdCdzIHdvcmsuICBJZiBib3RoCiAqIENPTkZJR19GUkFNRV9QT0lOVEVSPXkgYW5k IENPTkZJR19BUk1fVU5XSU5EPXkgd2Fsa19zdGFja2ZyYW1lIHVzZXMgdW53aW5kCiAqIGluZm9y bWF0aW9uLiAgRm9yIHRoaXMgdG8gd29yayBpbiB0aGUgZnVuY3Rpb24gdHJhY2VyIG1hbnkgZnVu Y3Rpb25zIHdvdWxkCiAqIGhhdmUgdG8gYmUgbWFya2VkIHdpdGggX19ub3RyYWNlLiAgU28gZm9y IG5vdyBqdXN0IGRlcGVuZCBvbgogKiAhQ09ORklHX0FSTV9VTldJTkQuCiAqLwp2b2lkICpyZXR1 cm5fYWRkcmVzcyh1bnNpZ25lZCBpbnQpOwojZWxzZQpzdGF0aWMgaW5saW5lIHZvaWQgKnJldHVy bl9hZGRyZXNzKHVuc2lnbmVkIGludCBsZXZlbCkKewogICAgICAgcmV0dXJuIE5VTEw7Cn0KI2Vu ZGlmCiNkZWZpbmUgZnRyYWNlX3JldHVybl9hZGRyZXNzKG4pIHJldHVybl9hZGRyZXNzKG4pCgpZ b3UgYWRkZWQgdGhpcyBpbiA0YmYxZmE1YTM0YWEgKCJbQVJNXSA1NjEzLzE6IGltcGxlbWVudApD QUxMRVJfQUREUkVTU3giKSAxNSB5ZWFycyBhZ28sIGFuZCBpdCBhcHBlYXJzIG5vYm9keSBldmVy CmdvdCBhcm91bmQgdG8gZmluaXNoIHRoZSBqb2IgZm9yIHJldHVybl9hZGRyZXNzKCkgaWYgSSBy ZWFkCnRoaXMgY29ycmVjdGx5LiBJcyB0aGlzIHNvbWV0aGluZyB3ZSBzaG91bGQgZmluYWxseSBh ZGQsCmFuZCB0aGVuIG1ha2UgdGhlIGZyYW1lIHBvaW50ZXIgdW53aW5kZXIgc3BlY2lmaWMgdG8g T0FCSQprZXJuZWxzPwoKICAgICBBcm5kCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0t a2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFp bG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==