From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A0D538A70B; Thu, 22 Jan 2026 18:58:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769108301; cv=none; b=OVz0mhTAADr63+D2rBmEF9/876+XZzr4sCBHziRZK4GstZMs4v3mFfALYEbM5TAkM9ueDHEB2hjM5cc1W2DFlTfRB64sKt6LZQ5r8C1Q/tNXpFnLcEH2T5MW1VS/22Dqgffx3Ibe9ABtix6CS2K0ynYrqSEP9uH2g12I5XeNXN8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769108301; c=relaxed/simple; bh=2Ghu9y+abJd+7+pVokABabRmVG10mN+UuTjAIs8Mih0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=BIkEUSDnn4hio9qEVPMnmb6WlGB3tOKj+9n3hwJH3tP3hWst+jMsscg8CzPjlA31U/m0HHq3KgNTSJMtgV7prtZP39XxeBAJukeHtzB4xw/F4RK5Pat0yq58vzxUP0L9v1AsXDe2pSq64kyZt+5YMmX+bGhello2rqsvc/4UUVA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EG/cDKjm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EG/cDKjm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9351CC19423; Thu, 22 Jan 2026 18:58:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769108300; bh=2Ghu9y+abJd+7+pVokABabRmVG10mN+UuTjAIs8Mih0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EG/cDKjm+oo0ea+CoLfR3hQahHdxOLkEFpMjtGLe11biZRB/M3foCYnR5Wgj4kL30 anb087mKDINmPLO4sBUiysdWeFxpErIGFQSUC76oOwLJob7rJKteIN96j/6gNJpHVz jAVyUxe5AtwSc97Jfotd2YAo7yLHh3tZL1KadzwWpE9947n2f+ofPCsQ90Ybwpk76p RIkpgU2LcXT4e9Z71QSE0PtSn1DUhJoQCbY+3NFjcDtVY/qlrDM8RohWHOKBM6XRyH j7xGtqhdZbUbp4bIISU0JUij/ovQOKzHvaXZGrwgy1wKSavn98Tpb/keQ7tfPyjh6k QkxXrwPP4iS2A== Date: Thu, 22 Jan 2026 11:58:12 -0700 From: Nathan Chancellor To: Bart Van Assche Cc: Peter Zijlstra , elver@google.com, linux-kernel@vger.kernel.org, bigeasy@linutronix.de, mingo@kernel.org, tglx@linutronix.de, will@kernel.org, boqun.feng@gmail.com, longman@redhat.com, hch@lst.de, rostedt@goodmis.org, llvm@lists.linux.dev Subject: Re: [RFC][PATCH 0/4] locking: Add/convert context analysis bits Message-ID: <20260122185812.GB3461196@ax162> References: <20260121110704.221498346@infradead.org> <20260121192349.GM166857@noisy.programming.kicks-ass.net> <20260122090402.GD171111@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Jan 22, 2026 at 08:28:44AM -0800, Bart Van Assche wrote: > The build-kernel-with-clang script is as follows (this may not be the > recommended way to build the kernel with clang): > > #!/bin/bash > export CC=clang > export LD=ld.lld # Use LLVM's linker (optional but recommended) > export AR=llvm-ar > export NM=llvm-nm > export OBJCOPY=llvm-objcopy > export OBJDUMP=llvm-objdump > export STRIP=llvm-strip > export READELF=llvm-readelf > make LLVM=1 CC=clang "$@" FWIW, this could ultimately simplify to make LLVM=1 "$@" as LLVM=1 is the shorthand for make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \ OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump READELF=llvm-readelf \ HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar HOSTLD=ld.lld as noted in Documentation/kbuild/llvm.rst / https://docs.kernel.org/kbuild/llvm.html. Cheers, Nathan