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[2001:8b0:10b:1231::1]) by mx.google.com with ESMTPS id w136si12579660ita.120.2019.04.24.12.46.19 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 24 Apr 2019 12:46:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of peterz@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) client-ip=2001:8b0:10b:1231::1; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=merlin.20170209 header.b=AmuSwOyL; spf=pass (google.com: best guess record for domain of peterz@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) smtp.mailfrom=peterz@infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; 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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=4eVIy3czAn23vobeXz8xHXFrh4HunqErlYisbzn2mkA=; b=AmuSwOyLbSNnfdXnlzatsx9qY etKIJrLorbJq3EXK61vUd8O6UjB1tDm59T91RkmblHQHYL9kVvFLXBB4NDqQJ3e8J6cQsFpQ6RQPg x/0jl79kRahYdX1mB1OT1NUGOwigYBklCJuAC3e6Nf0kYdorKNltiBd3Mg+w2CdVUNE05cBwdHkkK 93Ang+dOQJKq9RTFsMGIn1cJW44e8nUljTFZ34DeOmrCGMmUDz8DUDDvmxZPIBsaPUPbpNvhM3TYc S2sKs+5OOdj/eYDuOG6AvUfkGGsXC4DpfB0HcAgZAVEGWjd3kUZOzbB8LQ7ix9rfzhcBf1ceye29i ZUIRYwwWw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hJNq6-0000yX-Cu; Wed, 24 Apr 2019 19:45:54 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 553DD203E8871; Wed, 24 Apr 2019 21:45:52 +0200 (CEST) Date: Wed, 24 Apr 2019 21:45:52 +0200 From: Peter Zijlstra To: Thomas Gleixner Cc: LKML , Josh Poimboeuf , x86@kernel.org, Andy Lutomirski , Steven Rostedt , Alexander Potapenko , Alexey Dobriyan , Andrew Morton , Pekka Enberg , linux-mm@kvack.org, David Rientjes , Christoph Lameter , Catalin Marinas , Dmitry Vyukov , Andrey Ryabinin , kasan-dev@googlegroups.com, Mike Rapoport , Akinobu Mita , iommu@lists.linux-foundation.org, Robin Murphy , Christoph Hellwig , Marek Szyprowski , Johannes Thumshirn , David Sterba , Chris Mason , Josef Bacik , linux-btrfs@vger.kernel.org, dm-devel@redhat.com, Mike Snitzer , Alasdair Kergon , intel-gfx@lists.freedesktop.org, Joonas Lahtinen , Maarten Lankhorst , dri-devel@lists.freedesktop.org, David Airlie , Jani Nikula , Daniel Vetter , Rodrigo Vivi , linux-arch@vger.kernel.org Subject: Re: [patch V2 19/29] lockdep: Simplify stack trace handling Message-ID: <20190424194552.GS11158@hirez.programming.kicks-ass.net> References: <20190418084119.056416939@linutronix.de> <20190418084254.819500258@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190418084254.819500258@linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Apr 18, 2019 at 10:41:38AM +0200, Thomas Gleixner wrote: > Replace the indirection through struct stack_trace by using the storage > array based interfaces and storing the information is a small lockdep > specific data structure. > Acked-by: Peter Zijlstra (Intel)