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[2003:ef:2f4f:c900:9ff2:6ae1:d404:2002]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43970bf9f77sm32997878f8f.5.2026.02.25.01.23.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Feb 2026 01:23:47 -0800 (PST) Mime-Version: 1.0 Date: Wed, 25 Feb 2026 10:23:46 +0100 Message-Id: To: "John Stultz" , "Jan Polensky" X-Mailer: aerc 0.18.2 References: <20260224104544.101292-1-japo@linux.ibm.com> In-Reply-To: X-Virus-Scanned: clamav-milter 1.0.9 at in-6.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v1 1/1] sched_football: harden kickoff synchronization on high-CPU systems X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Andrea Cervesato via ltp Reply-To: Andrea Cervesato Cc: Linux Test Project , Steven Rostedt Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" T24gVHVlIEZlYiAyNCwgMjAyNiBhdCAxMDowMyBQTSBDRVQsIEpvaG4gU3R1bHR6IHZpYSBsdHAg d3JvdGU6Cj4gT24gVHVlLCBGZWIgMjQsIDIwMjYgYXQgMjo0NeKAr0FNIEphbiBQb2xlbnNreSA8 amFwb0BsaW51eC5pYm0uY29tPiB3cm90ZToKPiA+Cj4gPiBUaGUgc2NoZWRfZm9vdGJhbGwgdGVz dCBoYXMgYmVlbiBpbnRlcm1pdHRlbnRseSBmYWlsaW5nLCBtb3N0IG5vdGljZWFibHkKPiA+IG9u IHN5c3RlbXMgd2l0aCBtYW55IENQVXMgYW5kL29yIHVuZGVyIGxvYWQsIGR1ZSB0byBhIHN0YXJ0 dXAgb3JkZXJpbmcKPiA+IGhvbGUgYXJvdW5kIGtpY2tvZmYuCj4gPgo+Cj4gSSd2ZSBub3QgaGFk IHRpbWUgdG8gY2xvc2VseSByZXZpZXcgeW91ciBzdWdnZXN0aW9uIGhlcmUsIGJ1dCBpdAo+IHNv dW5kcyByZWFzb25hYmxlLgo+Cj4gVGhhdCBzYWlkLCBJIHdhbnQgdG8gd2FybiB5b3UgYW5kIGVu c3VyZSB5b3UgYXJlIGF3YXJlOiB0aGUKPiBSVF9QVVNIX0lQSSBmZWF0dXJlIGluIHRoZSBzY2hl ZHVsZXIgYnJlYWtzIHRoZSBSVCBpbnZhcmlhbnQKPiBzY2hlZF9mb290YmFsbCBpcyB0ZXN0aW5n Lgo+Cj4gSSBzZWUgdGhpcyBhcyBhIGJ1ZyB3aXRoIHRoYXQgZmVhdHVyZSwgYnV0IHRoZSBzY2Fs YWJpbGl0eSBSVF9QVVNIX0lQSQo+IGFsbG93cyBmb3Igc2VlbXMgbW9yZSBpbXBvcnRhbnQgdG8g Zm9sa3Mgd2hvIGFyZSBkb2luZyBSVCB3b3JrIHRoZW4KPiB0aGUgbWlzLWJlaGF2aW9yLiAgU3Rl dmVuIGFuZCBJIHRhbGtlZCBhd2hpbGUgYmFjayBhYm91dCBzb21lIGlkZWFzIG9uCj4gaG93IHdl IG1pZ2h0IGJlIGFibGUgdG8gZG8gdGhlIHB1bGwgaW4gYSBtb3JlIGVmZmljaWVudCB3YXkgd2hp bGUKPiBzdGlsbCBob2xkaW5nIHRoZSBpbnZhcmlhbnQgdHJ1ZSwgYW5kIEkgaGF2ZSBhIGJ1ZyB0 byB0cmFjayBpdCwgYnV0Cj4gaXRzIG5vdCBiZWVuIGhpZ2ggZW5vdWdoIHByaW9yaXR5IHRvIGdl dCBiYW5kd2lkdGggeWV0Lgo+Cj4gU28geW91IG1pZ2h0IHdhbnQgdG8gbWFrZSBzdXJlIHlvdSBk aXNhYmxlIHRoYXQgZmVhdHVyZSBiZWZvcmUgdGVzdGluZyB2aWE6Cj4gIyBlY2hvIE5PX1JUX1BV U0hfSVBJID4gL3N5cy9rZXJuZWwvZGVidWcvc2NoZWQvZmVhdHVyZXMKPgo+IHRoYW5rcwo+IC1q b2huCgpUaGFua3MgZm9yIHlvdXIgZGVlcCBhbmFseXNpcyBvbiB0aGUgcG9zc2libGUgaXNzdWUu IEknbSBub3QgYW4gUlQgZXhwZXJ0LApidXQgSSB0cnVzdCB5b3VyIGV4cGVydGlzZSBpbiBoZXJl IDotKSBXaWxsIGxlYXZlIHRoaXMgcGF0Y2ggcmV2aWV3IHRvCnNvbWVvbmUgd2hvJ3MgbW9yZSBz a2lsbGVkIHRoYW4gbWUgaW4gdGhpcyB0b3BpYy4KCkkgaGF2ZSBhIHN1Z2dlc3Rpb24gdGhvLgoK QWJvdXQgdGhlIE5PX1JUX1BVU0hfSVBJLCB3ZSBhcmUgbHVja3k6IExUUCBwcm92aWRlcyBhIHNh ZmUgbWVjaGFuaXNtIHRvCnNldCB0aGUgc3lzIGNvbmZpZ3VyYXRpb25zIGFuZCB0byByZXN0b3Jl IGl0IHRvIGRlZmF1bHQgdmFsdWUgYWZ0ZXIKdGVzdC4gWW91IGNhbiBmaW5kIHRoaXMgaW4gdGhl IGBzdHJ1Y3QgdHN0X3Rlc3RgIGFuZCBpdCdzIGNhbGxlZApgLnNhdmVfcmVzdG9yZWAgWzFdCgpJ IHRoaW5rIGl0J3Mgd29ydGggdG8gZm9yY2UgdGhpcyBvcHRpb24gYWNjb3JkaW5nIHRvIHRoZSB1 bmRlcmx5aW5nCnZhcmlhbnQgKGFuZCBwcm9wZXJseSBkb2N1bWVudCB0aGlzIGluIHRoZSBjb2Rl IHdpdGggYSBjb21tZW50KS4KCldEWVQ/CgpbMV0gaHR0cHM6Ly9saW51eC10ZXN0LXByb2plY3Qu cmVhZHRoZWRvY3MuaW8vZW4vbGF0ZXN0L2RldmVsb3BlcnMvYXBpX2NfdGVzdHMuaHRtbCN0c3Qt dGVzdC1kZWZpbml0aW9uCi0tIApBbmRyZWEgQ2VydmVzYXRvClNVU0UgUUUgQXV0b21hdGlvbiBF bmdpbmVlciBMaW51eAphbmRyZWEuY2VydmVzYXRvQHN1c2UuY29tCgoKLS0gCk1haWxpbmcgbGlz dCBpbmZvOiBodHRwczovL2xpc3RzLmxpbnV4Lml0L2xpc3RpbmZvL2x0cAo=