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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EE792C77B7C for ; Tue, 9 May 2023 13:15:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nGn+6/CNO/xMdasWf7J/yslFop5iijqQp7cToKQL+EQ=; b=WdAp7R5QIQgUya RCxnTaio4NBi3RLuDveZf1jRREyVIJnyvbad3ZwWJI1UOVmC3PVRxKZ2XG3yxiAygGSnhqMD0mAVD jubQuTfUnkuscMRxU5xTIhApS/a9JfBa42GiWs7e/uBUQlISRG4ZqUf2r3GuTp1Xoyb5uj6wQcr9l hV1qDxd/zDOVZYaDdIHL0gK678VlXZMLZ2XSyEpfbw6MnXSoS5Xl04liIVweVODMi2+F9XV4cP4qQ bOGgZNYjdytcLC3BWLXXN22Q5zfG5OUMBKFSpXW8ILA/o3IuLnrHCgyP+dbr0l47c1OgJ0fc3fPJN ePLtoeWuYFHOi4yZDGhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pwNC1-003Nsd-01; Tue, 09 May 2023 13:15:49 +0000 Received: from galois.linutronix.de ([2a0a:51c0:0:12e:550::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pwMAR-003Egy-31; Tue, 09 May 2023 12:10:09 +0000 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1683634206; 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=VtDcNKByG3QGqBaMWteEmBlx8o79YaY4wIW5CrphOKI=; b=ozV/VUOhCbdvdcwqxdtfXZdcaA90ARKwOnYQBRouWIahnMXGWDMqDNjRrHC/BBYWjq5SZl 0zVkjwMN1HrH8Nj5PlcDw7JkrmEq1wl2opWaW4iHlUWYz9rS55vTCEV7bvHci0YQS0msKe OiKR9k0tA7izR2CPXGYcFUsQfK7A+x/0KRvkRZX+qrF7KiQIDhvs0oyXBpq1rxJdGhfGCh MYC6WnITSxgPyRjiVJDU49KaDy0xrS7hBHILcujYL+/hxIaH+NoGh3k9eNjkZ5FjVDbyZQ FdCg0ek5JAc2T8OI8FHkzUUTTsC4j7rKC+fqFmbcQZsqVeexs2oybxw7tmiGyQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1683634206; 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=VtDcNKByG3QGqBaMWteEmBlx8o79YaY4wIW5CrphOKI=; b=ZLjODydBGy8cvSTodcStIAcmZAy/XrGuM8TLpXQA6c10hgPy1SCLXFLe3hFmS5CqBcJDXp pZHsXusMPUdgkGCg== To: Peter Zijlstra Cc: LKML , x86@kernel.org, David Woodhouse , Andrew Cooper , Brian Gerst , Arjan van de Veen , Paolo Bonzini , Paul McKenney , Tom Lendacky , Sean Christopherson , Oleksandr Natalenko , Paul Menzel , "Guilherme G. Piccoli" , Piotr Gorski , Usama Arif , Juergen Gross , Boris Ostrovsky , xen-devel@lists.xenproject.org, Russell King , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , Guo Ren , linux-csky@vger.kernel.org, Thomas Bogendoerfer , linux-mips@vger.kernel.org, "James E.J. Bottomley" , Helge Deller , linux-parisc@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Mark Rutland , Sabin Rapan , "Michael Kelley (LINUX)" Subject: Re: [patch v3 14/36] [patch V2 14/38] cpu/hotplug: Rework sparse_irq locking in bringup_cpu() In-Reply-To: <20230509110223.GY83892@hirez.programming.kicks-ass.net> References: <20230508181633.089804905@linutronix.de> <20230508185218.013044883@linutronix.de> <20230509110223.GY83892@hirez.programming.kicks-ass.net> Date: Tue, 09 May 2023 14:10:06 +0200 Message-ID: <87ednp1za9.ffs@tglx> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230509_051008_125152_F60E65FA X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Tue, May 09 2023 at 13:02, Peter Zijlstra wrote: > On Mon, May 08, 2023 at 09:43:49PM +0200, Thomas Gleixner wrote: >> From: Thomas Gleixner >> >> There is no harm to hold sparse_irq lock until the upcoming CPU completes >> in cpuhp_online_idle(). This allows to remove cpu_online() synchronization >> from architecture code. > > Uuuuuhh.. damn. Can you at the very least ammend the comment near > irq_lock_sparse() to mention these extra duties? Will do. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv