From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 DBA898834 for ; Sun, 4 Oct 2026 23:32:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791156727; cv=none; b=REZ0L7LriGuMgl/nnL/D1VC7SwabD9JkMOtfqrASsqQ1g/94+mnbCyVwSfhKz2LUUMJj4vu1I2EEL537UAxpY1FZEU9aa5cuLMZkS9pl3+HUGqyjXTfmzPBwP/S3AHBiV1Dwox1a19tJSM+9T0NpZhbK0g+vPpbGKltC49LClyM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791156727; c=relaxed/simple; bh=8h8UANv37KzFpofppxhEqsiroLhNIDui11BuU6ZCYI8=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=e1zK5z5M3QrcmzI1vSXLfOXkEMclMROsQ1BjGl4Ay7+7PX2bDgyWFNmIiWAl1ezI28Tvcsh/swKdSz7XonX8vkOFEpGTojVQwFI6AvReA0uD/zQnjwXr+40wUP+3kRZ/OuChRfbUSJtdnwel+Yiui60hX1EwVOeEQiL9Az2yQ0c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CALEh03M; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CALEh03M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7BF051F000FF; Sun, 4 Oct 2026 23:32:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791156726; bh=yxK1/IDpFhO7SOYOWAMdIAxMN7TKC89pAYbNpadasvE=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=CALEh03MJiZUJBevNqMDG+nWZzVZVOWpsU01PMlqcpbZLnZBf+ExMGY75IHMCd5+n PyQ6xzXObFxzHdIWe4co1InTcMMpiGw8wU+4zPJzpcngsLN9AtdD3bE7jKksY3oPCi AkGurZz6s2b/OeCRm0Dn4ZAFc1GBYoOEaM4J93DX28B1qrcKsIqmTepnJ/OY4/yaUA R7bU+UkEwU9jQI3OyuoNP1cbrqw8jftcjLxTrRC3HFiD5j8AKMj+hR22ZwyVFRaUOk Urs4Mlyo64UrS6W1TBgS/xWXqB+vDjj+iPqLcJO3rwL1mxvy+wpzKHzHTKQ1Idtiqu GjfrpIxdgYHKg== Date: Sun, 4 Oct 2026 17:32:02 -0600 (MDT) From: Paul Walmsley To: Paul Sherman cc: Samuel Holland , palmer@dabbelt.com, pjw@kernel.org, alex@ghiti.fr, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] riscv: smp: fix non-SPINWAIT secondary hart rendezvous for fw_dynamic platforms In-Reply-To: Message-ID: <56e594a6-83fa-d8d3-b7be-547ee9778326@kernel.org> References: <20260729083414.39339-1-shermanpauldylan@gmail.com> <51f32966-86a2-456e-9e45-c9bf8add0676@sifive.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 On Wed, 29 Jul 2026, Paul Sherman wrote: > On Wed, Jul 29, 2026 at 05:13:56PM -0500, Samuel Holland wrote: > > > Why doesn't your firmware do that? Can you fix your firmware? > > Is your expectation that platforms exhibiting this behavior should > be corrected to satisfy the ordered booting contract, rather than > Linux handling SBI_ERR_ALREADY_STARTED defensively? For folks running mainline kernels, I think it's reasonable to expect that they would update OpenSBI to fix a bug in OpenSBI, rather than patching the upstream kernel to hack around it. Hopefully there's nothing preventing them from doing that on this platform. - Paul