Message-ID: <fa2f7d50-5226-726d-a9ad-2c42cb5c4054@intel.com>
Date:   Wed, 5 Jan 2022 20:47:28 +0800
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Subject: Re: [LKP] Re: [x86/mm/64] f154f29085:
 BUG:kernel_reboot-without-warning_in_boot_stage - clang KCOV?
Content-Language: en-US
To:     Borislav Petkov <bp@suse.de>
CC:     Marco Elver <elver@google.com>, Carel Si <beibei.si@intel.com>,
        "Joerg Roedel" <jroedel@suse.de>,
        LKML <linux-kernel@vger.kernel.org>,
        "x86@kernel.org" <x86@kernel.org>,
        "lkp@lists.01.org" <lkp@lists.01.org>, lkp <lkp@intel.com>,
        "bfields@fieldses.org" <bfields@fieldses.org>,
        "llvm@lists.linux.dev" <llvm@lists.linux.dev>
References: <Ybm96seTxl+pWjTX@zn.tnic>
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 <e48b72d4-558a-ed7c-43cd-0cb70091be11@intel.com> <YbyIJYzqtHPKRMFt@zn.tnic>
 <20211221143153.GA4676@linux.intel.com>
 <CANpmjNO4hs1B9eDY9edGGOXY45a8smdtYfYfbDRnGWSYch4wGg@mail.gmail.com>
 <YcHxKzB3WPurKlZ9@zn.tnic> <a5cb8140-5834-7649-e629-f2775cf5b9a9@intel.com>
 <YdWCstlEW6k45+hH@zn.tnic>
From:   Yin Fengwei <fengwei.yin@intel.com>
In-Reply-To: <YdWCstlEW6k45+hH@zn.tnic>
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On 1/5/2022 7:36 PM, Borislav Petkov wrote:
> On Wed, Jan 05, 2022 at 10:35:20AM +0800, Yin Fengwei wrote:
>> Did you get update from clang folks for this behavior? Thanks.
> 
> No. Why?
My understanding:
it's better that clang restore its behavior to clang-12. Or people
need to use __no_profile annotation if want to add function before
GCOV/KASAN is initialized. Thanks.


Regards
Yin, Fengwei

>