From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ACAD6CAC59D for ; Tue, 16 Sep 2025 21:16:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1571F8E0005; Tue, 16 Sep 2025 17:16:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 108758E0001; Tue, 16 Sep 2025 17:16:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 044FE8E0005; Tue, 16 Sep 2025 17:16:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id DFC2A8E0001 for ; Tue, 16 Sep 2025 17:16:39 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 76B3C85068 for ; Tue, 16 Sep 2025 21:16:39 +0000 (UTC) X-FDA: 83896372518.28.D1A82F0 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf16.hostedemail.com (Postfix) with ESMTP id 6A7D4180002 for ; Tue, 16 Sep 2025 21:16:37 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b=V22XGrXJ; dkim=pass header.d=linutronix.de header.s=2020e header.b=CqWJ884f; spf=pass (imf16.hostedemail.com: domain of tglx@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=tglx@linutronix.de; dmarc=pass (policy=none) header.from=linutronix.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1758057397; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=cdBjosARmBSEo7aiSHM+dIdoMHfCZY2WlWe0Fb0A5eI=; b=NNINGjWB0V9fGHbcDDPIbPlwMdp0ho0R2U+NLVAk0iepzDPpfZUNumUZq6iCjhZoRCgt3y VUjgLLEOxFtvaaNSKRqf7b8Xx3Uh2IHxDzvr5E7kTM9BGS5ea7wV1Q6jE07OZGL/g2V4CN ztMj12v+oksT+rYavbQ7O5fG+lr6gUA= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1758057397; a=rsa-sha256; cv=none; b=7uafl/ZAg4INiRWp7BcEkJ172KYTs2inkFQZxM3XOc4R1pkIb7BNLzf4bsxRNPL4R4Wxuz w7ip39pfUA8vVViqljJGLZSUnjGmgYFXFmRKdlLVEW+AoZTZupaPx5k9McEwIumc0VcYIt ZL4fiRxokXTwRHrFOYFx8uBSGvX6xOc= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b=V22XGrXJ; dkim=pass header.d=linutronix.de header.s=2020e header.b=CqWJ884f; spf=pass (imf16.hostedemail.com: domain of tglx@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=tglx@linutronix.de; dmarc=pass (policy=none) header.from=linutronix.de From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1758057395; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=cdBjosARmBSEo7aiSHM+dIdoMHfCZY2WlWe0Fb0A5eI=; b=V22XGrXJlCZ5AQ9pe37LMtlOlaa5uG8osxrLsqv/+DC/Jbi/gaOpvLPA0WMtTQxFy0AUdp ocZJsSczCxILdgsmO4GMKTUFDP0xpwY6AtIXURDTCI7YBHO2vUnZPIuwtJw2bNKQ43jRR/ SrnGkYVy74kqALkz23Q9mSMTMN61R3tuGvD3/VSh+ybJMd55BYszvtovTcZU3B8sWL/oxK m7Yx3U3wdB0a8EHseRTc6f9n1GflXL/nu61iIYkP98BgbC6HF97j1UXSi1XiE2URbMvERJ DzKL9myXEOmPWxsz4yNEbIW3+Ka6Elq8rzhi9TN1pUtrkyuBilYL6aLIOL/JOQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1758057395; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=cdBjosARmBSEo7aiSHM+dIdoMHfCZY2WlWe0Fb0A5eI=; b=CqWJ884fvJ8/FWHJRwkFwD617d0BLRtMBNrP3oVIvDrTlG1B/A3pQgDgnF+3bJQdmfDYNc 0I7SSpqMR6U7YOCg== To: Eugen Hristev , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, andersson@kernel.org, pmladek@suse.com, rdunlap@infradead.org, corbet@lwn.net, david@redhat.com, mhocko@suse.com Cc: tudor.ambarus@linaro.org, mukesh.ojha@oss.qualcomm.com, linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, jonechou@google.com, rostedt@goodmis.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, Eugen Hristev Subject: Re: [RFC][PATCH v3 09/16] genirq/irqdesc: Have nr_irqs as non-static In-Reply-To: <87cy7q9k8y.ffs@tglx> References: <20250912150855.2901211-1-eugen.hristev@linaro.org> <20250912150855.2901211-10-eugen.hristev@linaro.org> <87cy7q9k8y.ffs@tglx> Date: Tue, 16 Sep 2025 23:16:34 +0200 Message-ID: <87a52u9jyl.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 6A7D4180002 X-Stat-Signature: 5cnp8t5an1wknpi675gfgrw9s9dqwt58 X-Rspam-User: X-HE-Tag: 1758057397-35299 X-HE-Meta: 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 MmB5TGKf EnKvaerCsjf3HoPXe4inQsP2SRh2RHNyV/vLUl27SyRKd+9BDKvf4nrVLXPrnIDBS7X3219uhV2tB8av6eSMYMjPeyYsiFd3PUAApp690HTzLGOBlmPZu05UJfkwpKEudR5xEalpDWyKWzD/vmRQFiWfpWL0GwX+wBiKIiPXYYKmJDY/GuLMue1BWpPxoK0aq24pyTXmHgfpNmjCIc5RQbD6/akM62CRpYazWg+nKBMLWt/Q= 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: List-Subscribe: List-Unsubscribe: On Tue, Sep 16 2025 at 23:10, Thomas Gleixner wrote: > On Fri, Sep 12 2025 at 18:08, Eugen Hristev wrote: >> nr_irqs is required for debugging the kernel, and needs to be >> accessible for kmemdump into vmcoreinfo. > > That's a patently bad idea. > > Care to grep how many instances of 'nr_irqs' variables are in the > kernel? > > That name is way too generic to be made global. Aside of that there is _ZERO_ justification to expose variables globaly, which have been made file local with a lot of effort in the past. I pointed you to a solution for that and just because David does not like it means that it's acceptable to fiddle in subsystems and expose their carefully localized variables. Thanks tglx