From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrx96-00B5qc-7Q for linux-um@lists.infradead.org; Fri, 20 May 2022 07:34:02 +0000 Date: Fri, 20 May 2022 09:33:46 +0200 From: Sebastian Andrzej Siewior Subject: Re: [PATCH 00/16] ptrace: cleanups and calling do_cldstop with only siglock Message-ID: References: <20220421150248.667412396@infradead.org> <20220421150654.817117821@infradead.org> <87czhap9dy.fsf@email.froward.int.ebiederm.org> <878rrrh32q.fsf_-_@email.froward.int.ebiederm.org> <87k0b7v9yk.fsf_-_@email.froward.int.ebiederm.org> <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <87a6bv6dl6.fsf_-_@email.froward.int.ebiederm.org> <871qwq5ucx.fsf_-_@email.froward.int.ebiederm.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <871qwq5ucx.fsf_-_@email.froward.int.ebiederm.org> 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-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: "Eric W. Biederman" Cc: linux-kernel@vger.kernel.org, rjw@rjwysocki.net, oleg@redhat.com, mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Jann Horn , Kees Cook , linux-ia64@vger.kernel.org, Robert O'Callahan , Kyle Huey , Richard Henderson , Ivan Kokshaysky , Matt Turner , Jason Wessel , Daniel Thompson , Douglas Anderson , Douglas Miller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras T24gMjAyMi0wNS0xOCAxNzo0OTo1MCBbLTA1MDBdLCBFcmljIFcuIEJpZWRlcm1hbiB3cm90ZToK PiAKPiBGb3IgcHRyYWNlX3N0b3AgdG8gd29yayBvbiBQUkVFTVRfUlQgbm8gc3BpbmxvY2tzIGNh biBiZSB0YWtlbiBvbmNlCj4gcHRyYWNlX2ZyZWV6ZV90cmFjZWQgaGFzIGNvbXBsZXRlZCBzdWNj ZXNzZnVsbHkuICBXaGljaCBmdW5kYW1lbnRhbGx5Cj4gbWVhbnMgdGhlIGxvY2sgZGFuY2Ugb2Yg ZHJvcHBpbmcgc2lnbG9jayBhbmQgZ3JhYmJpbmcgdGFza2xpc3RfbG9jayBkb2VzCj4gbm90IHdv cmsgb24gUFJFRU1QVF9SVC4gIFNvIEkgaGF2ZSB3b3JrZWQgdGhyb3VnaCB3aGF0IGlzIG5lY2Vz c2FyeSBzbwo+IHRoYXQgdGFza2xpc3RfbG9jayBkb2VzIG5vdCBuZWVkIHRvIGJlIGdyYWJiZWQg aW4gcHRyYWNlX3N0b3AgYWZ0ZXIKPiBzaWdsb2NrIGlzIGRyb3BwZWQuCuKApgpJdCB0b29rIG1l IGEgd2hpbGUgdG8gcmVhbGlzZSB0aGF0IHRoaXMgaXMgYSBmb2xsb3ctdXAgSSBzb21laG93IGFz c3VtZWQKdGhhdCB5b3UgYWRkZWQgYSBmZXcgcGF0Y2hlcyBvbiB0b3AuIE1pZ2h0IGhhdmUgYmVl biB0aGUgeWVzdGVyZGF5J3MKaGVhdC4gYjQgYWxzbyByZWZ1c2VkIHRvIGRvd25sb2FkIHRoaXMg c2VyaWVzIGJlY2F1c2UgdGhlIHY0IGluIHRoaXMKdGhyZWFkIGxvb2tlZCBuZXdlcuKApiBBbnl3 YXkuIEJvdGggc2VyaWVzIGFwcGxpZWQ6Cgp8ID09PT09PT09PT09PT09PT09PT09PT09PT09PT09 CnwgV0FSTklORzogc3VzcGljaW91cyBSQ1UgdXNhZ2UKfCA1LjE4LjAtcmM3KyAjMTYgTm90IHRh aW50ZWQKfCAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQp8IGluY2x1ZGUvbGludXgvcHRy YWNlLmg6MTIwIHN1c3BpY2lvdXMgcmN1X2RlcmVmZXJlbmNlX2NoZWNrKCkgdXNhZ2UhCnwKfCBv dGhlciBpbmZvIHRoYXQgbWlnaHQgaGVscCB1cyBkZWJ1ZyB0aGlzOgp8CnwgcmN1X3NjaGVkdWxl cl9hY3RpdmUgPSAyLCBkZWJ1Z19sb2NrcyA9IDEKfCAyIGxvY2tzIGhlbGQgYnkgc3NkZC8xNzM0 Ogp8ICAjMDogZmZmZjg4ODAwZWFhNjkxOCAoJnNpZ2hhbmQtPnNpZ2xvY2spey4uLi59LXsyOjJ9 LCBhdDogbG9ja19wYXJlbnRzX3NpZ2xvY2tzKzB4ZjAvMHgzYjAKfCAgIzE6IGZmZmY4ODgwMGVh YTcxZDggKCZzaWdoYW5kLT5zaWdsb2NrLzIpey4uLi59LXsyOjJ9LCBhdDogbG9ja19wYXJlbnRz X3NpZ2xvY2tzKzB4MTE1LzB4M2IwCnwKfCBzdGFjayBiYWNrdHJhY2U6CnwgQ1BVOiAyIFBJRDog MTczNCBDb21tOiBzc2RkIE5vdCB0YWludGVkIDUuMTguMC1yYzcrICMxNgp8IEhhcmR3YXJlIG5h bWU6IFFFTVUgU3RhbmRhcmQgUEMgKFEzNSArIElDSDksIDIwMDkpLCBCSU9TIDEuMTYuMC1kZWJp YW4tMS4xNi4wLTQgMDQvMDEvMjAxNAp8IENhbGwgVHJhY2U6CnwgIDxUQVNLPgp8ICBkdW1wX3N0 YWNrX2x2bCsweDQ1LzB4NWEKfCAgdW5sb2NrX3BhcmVudHNfc2lnbG9ja3MrMHhiNi8weGMwCnwg IHB0cmFjZV9zdG9wKzB4YjkvMHgzOTAKfCAgZ2V0X3NpZ25hbCsweDUxYy8weDhkMAp8ICBhcmNo X2RvX3NpZ25hbF9vcl9yZXN0YXJ0KzB4MzEvMHg3NTAKfCAgZXhpdF90b191c2VyX21vZGVfcHJl cGFyZSsweDE1Ny8weDIyMAp8ICBpcnFlbnRyeV9leGl0X3RvX3VzZXJfbW9kZSsweDUvMHg1MAp8 ICBhc21fc3lzdmVjX2FwaWNfdGltZXJfaW50ZXJydXB0KzB4MTIvMHgyMAoKVGhhdCBpcyBwdHJh Y2VfcGFyZW50KCkgaW4gdW5sb2NrX3BhcmVudHNfc2lnbG9ja3MoKS4KClNlYmFzdGlhbgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtdW0gbWFp bGluZyBsaXN0CmxpbnV4LXVtQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC11bQo=