From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 632342253B5; Thu, 15 May 2025 12:27:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747312059; cv=none; b=Sz+bI3vWinQcKabprmuWA2SZ0YBhIovlxCIhR6d7WFbgT3mE8ldjISbUM9L82jkcY9m7ktnLNw3esNw+25cZHr4HSQYvGykZz/Qh4n9AS+rFqsIwHx5jfkpKzYThMXTxhLxFXZLAeJeD2Zk6qfhdAPHMttMKKvPq/WiIPi+V7bE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747312059; c=relaxed/simple; bh=4DWIXHRcAJp2J4m/FFHNZtU2ownSnh3NG4wp6QerkFA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=siycYwnHnjx4YYcvI8Dmys7GR65cnkV3JYQ6DZovjoRHLlxT/b1KRa8qeApghdAXLi0grjXY599iGF5WFhR15gC3niXE3jZvtJz3yRyuGdB0V8En1bHUduk77b0Ba0RS7jgQxTRsdNAbDUpjLJIiIvR6H607ekOFkmaULwiP7Ss= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=R4BePNe/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="R4BePNe/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47E5FC4CEE7; Thu, 15 May 2025 12:27:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1747312058; bh=4DWIXHRcAJp2J4m/FFHNZtU2ownSnh3NG4wp6QerkFA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=R4BePNe/db93bpviLL9aQ2j7q2CT+C/BhQ63X6RCFMDtJBHjGzC08pbi312LkI/vb w80RXl4Y9XM8Ble4csViBrYkiX1Vji93KRsscujGDR5zTEMST3IOlQqCQVPMvi1G82 UCPKC8yQ579grvk2RNLUebYxDQRUVlo7HlS+/ygQ= Date: Thu, 15 May 2025 14:25:50 +0200 From: Greg Kroah-Hartman To: Shung-Hsi Yu Cc: stable@vger.kernel.org, patches@lists.linux.dev, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com, f.fainelli@gmail.com, sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de, conor@kernel.org, hargar@microsoft.com, broonie@kernel.org, kees@kernel.org Subject: Re: [PATCH 6.14 000/197] 6.14.7-rc2 review Message-ID: <2025051529-mulled-cubicle-b1cd@gregkh> References: <20250514125625.496402993@linuxfoundation.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, May 15, 2025 at 08:15:32PM +0800, Shung-Hsi Yu wrote: > On Wed, May 14, 2025 at 03:04:16PM +0200, Greg Kroah-Hartman wrote: > > This is the start of the stable review cycle for the 6.14.7 release. > > There are 197 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please > > let me know. > ... > > Kees Cook > > mm: vmalloc: support more granular vrealloc() sizing > > The above is causing a slow down in BPF verifier[1]. Assuming BPF > selftests are somewhat representing of real world BPF programs, the slow > down would be around 2x on average, but for an unrealistic worth-case it > could go as high as 40x[2]. > > 1: https://lore.kernel.org/stable/20250515041659.smhllyarxdwp7cav@desk/ > 2: https://lore.kernel.org/stable/g4fpslyse2s6hnprgkbp23ykxn67q5wabbkpivuc3rro5bivo4@sj2o3nd5vwwm/ Is this slowdown also in 6.15-rc right now? If so, let's work on fixing it there first. thanks, greg k-h