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

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Message-ID: <ZwlG9NENb3GWT8Ea@kernel.org>
Date: Fri, 11 Oct 2024 18:40:36 +0300
From: Mike Rapoport <rppt@...nel.org>
To: Dave Hansen <dave.hansen@...el.com>
Cc: kernel test robot <oliver.sang@...el.com>, oe-lkp@...ts.linux.dev,
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Subject: Re: [linux-next:master] [x86/module] 6661cae1aa:
 WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault

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.