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 D814A188CB1; Fri, 11 Oct 2024 15:44:19 +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=1728661459; cv=none; b=Z/d4Bg4TDL3mGSZcdXbK89xpNRCBsMXgiKLU3rlbGuV1q6LdjxSyDw84iMmBO/vwrXCEpIvOF60wbDb4WkRJqs3zRClDp3yxLLHM17gYi9nPp2/H99Rk5rM8LMc9CvQMiPYYlfMoE48KLg6dD2v+vA1lxypQgL++hAik86nFLog= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728661459; c=relaxed/simple; bh=sXty7ZbtksBSz1exHU2CbDqu59M0E4xIlq58x6+VjGg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YeWWV1JflnHNyegQOFpLLtWWDZN/MCB+mzgWU3lj/ZnBD+FX4YKfyjAap7zS3Zbpdy1hQ4HWbOpZNnZVKzHTpK4k+OlqnHOHWTsWVx2h+lTpsqkoLT2G1AJia9UOji2BNKCHOamOcruzwfO3Vk7c+tpxI0zsR37P5wkHYucudAo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uUhyI3rR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uUhyI3rR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8B8BC4CECE; Fri, 11 Oct 2024 15:44:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728661459; bh=sXty7ZbtksBSz1exHU2CbDqu59M0E4xIlq58x6+VjGg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uUhyI3rRROr1y9If9WROKeSEPDwdL7k5oM9jxEtMZWeIqai2cBNAU/2UbXWyzSuOk t8/yP2jYJHXsvnrQXaSshHMtt9lM7oRiWdgkRzjDGAHmmu0J8xKK+DtckimPz/Uv9Y bx7xtUhjs1x/xBwtGcaAwK10rsOoSgve+QWdTzZnbvYNctX1cA3DE35jk/eY5BOPXj DZLBjaRNrABTph6Iy97QP5uH1atR5loE1QJFME34LBtNXqxVzs1ahSbWtvILVYAWkO YsLsXyUQp1cbpyGdH7DnEsvyyKR+VXhwokQJmK1boA0WlfGlA/9nCTtq6Md2ZIKFOi +HiqzmcVXGTQw== Date: Fri, 11 Oct 2024 18:40:36 +0300 From: Mike Rapoport To: Dave Hansen Cc: kernel test robot , oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Andrew Morton , Andreas Larsson , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Christophe Leroy , Christoph Hellwig , Dave Hansen , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Kent Overstreet , "Liam R. Howlett" , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Oleg Nesterov , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Russell King , Song Liu , Stafford Horne , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Uladzislau Rezki , Vineet Gupta , Will Deacon , linux-kernel@vger.kernel.org Subject: Re: [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault Message-ID: References: <202410111408.8fe6f604-lkp@intel.com> <73d5a6ed-da3c-448e-8cf8-6abb59cb2c36@intel.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 Content-Disposition: inline In-Reply-To: <73d5a6ed-da3c-448e-8cf8-6abb59cb2c36@intel.com> On Fri, Oct 11, 2024 at 07:00:01AM -0700, Dave Hansen wrote: > On 10/11/24 06:08, Mike Rapoport wrote: > > This patch disables ROX caches on 32-bit, it should fix the issue. > > While I'm not going to shed a tear for 32-bit, what's the actual > compatibility issue with 32-bit? >From the stack trace it looks like execmem tries to update the direct map for highmem memory, and cpa is not happy about it. -- Sincerely yours, Mike.