Building the Linux kernel with Clang and LLVM
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From: Brendan Jackman <jackmanb@google.com>
To: kernel test robot <lkp@intel.com>,
	Brendan Jackman <jackmanb@google.com>,
	 Andy Lutomirski <luto@kernel.org>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	 "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Suren Baghdasaryan <surenb@google.com>,
	 Michal Hocko <mhocko@suse.com>,
	Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
	 Axel Rasmussen <axelrasmussen@google.com>,
	Yuanchu Xie <yuanchu@google.com>,
	 Roman Gushchin <roman.gushchin@linux.dev>
Cc: <llvm@lists.linux.dev>, <oe-kbuild-all@lists.linux.dev>,
	<bp@alien8.de>,  <dave.hansen@linux.intel.com>,
	<mingo@redhat.com>, <tglx@linutronix.de>,
	 <akpm@linux-foundation.org>, <david@redhat.com>,
	<derkling@google.com>,  <junaids@google.com>,
	<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
	 <reijiw@google.com>, <rientjes@google.com>, <rppt@kernel.org>,
	 <vbabka@suse.cz>, <x86@kernel.org>, <yosry.ahmed@linux.dev>
Subject: Re: [PATCH 03/21] x86/mm: factor out phys_pgd_init()
Date: Wed, 01 Oct 2025 12:26:00 +0000	[thread overview]
Message-ID: <DD6ZFZGBMSLA.7BSBIIJN0SLP@google.com> (raw)
In-Reply-To: <202509272136.N4ELb64u-lkp@intel.com>

On Sat Sep 27, 2025 at 7:29 PM UTC, kernel test robot wrote:
> Hi Brendan,
>
> kernel test robot noticed the following build warnings:
>
> [auto build test WARNING on bf2602a3cb2381fb1a04bf1c39a290518d2538d1]

I've fixed this and the others in my WIP branch but I will wait a bit
longer before sending a v2..

They're all real issues - one of them confirms I have not exercised the
CMA with this code (by demonstrating that I did not even compile with
CONFIG_CMA=y). This one is just a benign bug that only shows up with
W=1.

      reply	other threads:[~2025-10-01 12:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20250924-b4-asi-page-alloc-v1-3-2d861768041f@google.com>
2025-09-27 19:29 ` [PATCH 03/21] x86/mm: factor out phys_pgd_init() kernel test robot
2025-10-01 12:26   ` Brendan Jackman [this message]

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