From: Borislav Petkov <bp@alien8.de> To: Yin Fengwei <fengwei.yin@intel.com> 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> Subject: Re: [LKP] Re: [x86/mm/64] f154f29085: BUG:kernel_reboot-without-warning_in_boot_stage - clang KCOV? Date: Wed, 5 Jan 2022 16:21:15 +0100 [thread overview] Message-ID: <YdW3a3dUfi5pBaiH@zn.tnic> (raw) In-Reply-To: <fa2f7d50-5226-726d-a9ad-2c42cb5c4054@intel.com> On Wed, Jan 05, 2022 at 08:47:28PM +0800, Yin Fengwei wrote: > it's better that clang restore its behavior to clang-12. Probably, but I'm not gonna hold my breath - folks are likely very busy... > Or people need to use __no_profile annotation if want to add function > before GCOV/KASAN is initialized. ... yap, and because fixing it this way is easy, I've already queued the __no_profile solution: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=x86/mm&id=b64dfcde1ca9cb82e38e573753f0c0db8fb841c2 Thanks. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
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From: Borislav Petkov <bp@alien8.de> To: lkp@lists.01.org Subject: Re: [x86/mm/64] f154f29085: BUG:kernel_reboot-without-warning_in_boot_stage - clang KCOV? Date: Wed, 05 Jan 2022 16:21:15 +0100 [thread overview] Message-ID: <YdW3a3dUfi5pBaiH@zn.tnic> (raw) In-Reply-To: <fa2f7d50-5226-726d-a9ad-2c42cb5c4054@intel.com> [-- Attachment #1: Type: text/plain, Size: 638 bytes --] On Wed, Jan 05, 2022 at 08:47:28PM +0800, Yin Fengwei wrote: > it's better that clang restore its behavior to clang-12. Probably, but I'm not gonna hold my breath - folks are likely very busy... > Or people need to use __no_profile annotation if want to add function > before GCOV/KASAN is initialized. ... yap, and because fixing it this way is easy, I've already queued the __no_profile solution: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=x86/mm&id=b64dfcde1ca9cb82e38e573753f0c0db8fb841c2 Thanks. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2022-01-05 15:21 UTC|newest] Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-09 14:41 [x86/mm/64] f154f29085: BUG:kernel_reboot-without-warning_in_boot_stage kernel test robot 2021-12-09 14:41 ` kernel test robot 2021-12-14 16:38 ` Borislav Petkov 2021-12-14 16:38 ` Borislav Petkov 2021-12-15 7:00 ` [LKP] " Carel Si 2021-12-15 7:00 ` Carel Si 2021-12-15 10:05 ` [LKP] " Borislav Petkov 2021-12-15 10:05 ` Borislav Petkov 2021-12-16 7:04 ` [LKP] " Yin Fengwei 2021-12-16 7:04 ` Yin Fengwei 2021-12-16 10:06 ` [LKP] " Borislav Petkov 2021-12-16 10:06 ` Borislav Petkov 2021-12-16 11:58 ` [LKP] " Carel Si 2021-12-16 11:58 ` Carel Si 2021-12-16 12:21 ` [LKP] " Yin Fengwei 2021-12-16 12:21 ` Yin Fengwei 2021-12-17 12:52 ` [LKP] Re: [x86/mm/64] f154f29085: BUG:kernel_reboot-without-warning_in_boot_stage - clang KCOV? Borislav Petkov 2021-12-17 12:52 ` Borislav Petkov 2021-12-17 18:04 ` [LKP] " Nathan Chancellor 2021-12-17 18:04 ` Nathan Chancellor 2021-12-18 11:00 ` [LKP] " Borislav Petkov 2021-12-18 11:00 ` Borislav Petkov 2021-12-20 11:00 ` [PATCH] x86/mm: Prevent early boot triple-faults with instrumentation Borislav Petkov 2021-12-20 11:00 ` Borislav Petkov 2021-12-18 10:39 ` [LKP] Re: [x86/mm/64] f154f29085: BUG:kernel_reboot-without-warning_in_boot_stage - clang KCOV? Yin Fengwei 2021-12-18 10:39 ` Yin Fengwei 2021-12-18 11:01 ` [LKP] " Borislav Petkov 2021-12-18 11:01 ` Borislav Petkov 2021-12-20 1:51 ` [LKP] " Yin Fengwei 2021-12-20 1:51 ` Yin Fengwei 2021-12-21 14:31 ` [LKP] " Carel Si 2021-12-21 14:31 ` Carel Si 2021-12-21 15:10 ` [LKP] " Marco Elver 2021-12-21 15:10 ` Marco Elver 2021-12-21 15:22 ` [LKP] " Borislav Petkov 2021-12-21 15:22 ` Borislav Petkov 2022-01-05 2:35 ` [LKP] " Yin Fengwei 2022-01-05 2:35 ` Yin Fengwei 2022-01-05 11:36 ` [LKP] " Borislav Petkov 2022-01-05 11:36 ` Borislav Petkov 2022-01-05 12:47 ` [LKP] " Yin Fengwei 2022-01-05 12:47 ` Yin Fengwei 2022-01-05 15:21 ` Borislav Petkov [this message] 2022-01-05 15:21 ` Borislav Petkov 2022-01-06 6:56 ` [LKP] " Yin Fengwei 2022-01-06 6:56 ` Yin Fengwei 2021-12-21 15:14 ` [LKP] " Borislav Petkov 2021-12-21 15:14 ` Borislav Petkov 2021-12-22 10:59 ` [tip: x86/mm] x86/mm: Prevent early boot triple-faults with instrumentation tip-bot2 for Borislav Petkov
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