Re: [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault

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To: Dave Hansen <dave.hansen@xxxxxxxxx>
Subject: Re: [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault
From: Mike Rapoport <rppt@xxxxxxxxxx>
Date: Fri, 11 Oct 2024 18:40:36 +0300
Cc: kernel test robot <oliver.sang@xxxxxxxxx>, oe-lkp@xxxxxxxxxxxxxxx, lkp@xxxxxxxxx, Linux Memory Management List <linux-mm@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Andreas Larsson <andreas@xxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Brian Cain <bcain@xxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Dinh Nguyen <dinguyen@xxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Huacai Chen <chenhuacai@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Johannes Berg <johannes@xxxxxxxxxxxxxxxx>, John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx>, Kent Overstreet <kent.overstreet@xxxxxxxxx>, "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Luis Chamberlain <mcgrof@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, Max Filippov <jcmvbkbc@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, Stafford Horne <shorne@xxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, Vineet Gupta <vgupta@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <73d5a6ed-da3c-448e-8cf8-6abb59cb2c36@intel.com>
References: <202410111408.8fe6f604-lkp@intel.com> <ZwkjPKKxRKUoJuOE@kernel.org> <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?

Follow-Ups:
- Re: [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault
  - From: Dave Hansen

References:
- [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault
  - From: kernel test robot
- Re: [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault
  - From: Mike Rapoport
- Re: [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault
  - From: Dave Hansen

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