From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1035147B425 for ; Thu, 20 Aug 2026 15:41:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787240480; cv=none; b=MsUVh+l6uf1i+9z5Q2kc/fSLJcxkNAcYZooM3cuXWgZ96gNl6xHiHSCEg+0f2/bRZQjOKehaBlixIRGDbnhAszXdVMb8zSKqCoTlgZN1yYdCh+UwtNOQzSF72l0Vely/ADhHwOh/p6ZAVArjAFEJhbFHcsBGs1SGsG04CCSawO4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787240480; c=relaxed/simple; bh=4Q4csPDb4Pik6UPctVw1sQlOGKBNqfWDeUXq2gNUu6M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZS8t/ZC1uR4UGp1zrV7T1qjn1LIKteDvK2xNxxnFBSZiQJIbKtjJxxBxK+zdYwuRpocexbfzRzMivSgWdm9q+lRcqd36bTR5J5xOD8xsj2gDzVyiXCEK3JSNSglzeDPupqtUPJ6JnLGRFwvha2JC7rzGJg2RYYRLZy3rxtNOHf8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=pass smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=G4O2Xn1Y; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="G4O2Xn1Y" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=4Q4csPDb4Pik6UPctVw1sQlOGKBNqfWDeUXq2gNUu6M=; b=G4O2Xn1YUSAB3C1pDsjbE79i3K 8PpwZlhtB21aLNL9QWQdy7BY6k0TouL/XK9M+N4KD49U+vG3bxkxscf3DBxJJ31LkKBGhJ7e/Q/2W S/mTLj0GqadayIXVio6k852vbV0jzJMVuOaoDBXuXWd4V3xPh2dBFANP1OgBwX5TzbrRfshHpmwME Ohzx2T26edaYgYwPsfxwEi+CCqUQYnuoGfmuXjUIWVAZKNCAKwg3qIlzQIwMoKJulH2L/ieRzM1V4 IwWSj0CD4LBMzUVdU4W8xchTDHetHSwFqAgTMdLqLRVlEES215iALN2hwFy/ZWV7BhjdC2p8k2iVD uOdG+wtQ==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.99.2 #2 (Red Hat Linux)) id 1wx4sx-00000003Bhn-1LTd; Thu, 20 Aug 2026 15:40:55 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 3A6A4300346; Thu, 20 Aug 2026 17:40:52 +0200 (CEST) Date: Thu, 20 Aug 2026 17:40:52 +0200 From: Peter Zijlstra To: Aaron Lu Cc: mingo@kernel.org, linux-kernel@vger.kernel.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, kprateek.nayak@amd.com, tj@kernel.org, williams@redhat.com, jkacur@redhat.com Subject: Re: [PATCH 0/2] sched: Remove sched_class::balance() Message-ID: <20260820154052.GB4120091@noisy.programming.kicks-ass.net> References: <20260624121327.190063948@infradead.org> <20260702114919.GA186418@bytedance.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260702114919.GA186418@bytedance.com> On Thu, Jul 02, 2026 at 07:49:19PM +0800, Aaron Lu wrote: > The test caused a panic with below msg: What test do you run? I think all I have is the prctl selftest thing.