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Date: Mon, 9 Dec 2024 12:30:39 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Uros Bizjak <ubizjak@gmail.com>
Cc: x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linux-bcachefs@vger.kernel.org, linux-arch@vger.kernel.org,
	netdev@vger.kernel.org, Nadav Amit <nadav.amit@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
	Christoph Lameter <cl@linux.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@kernel.org>,
	Brian Gerst <brgerst@gmail.com>,
	Denys Vlasenko <dvlasenk@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v3 2/6] compiler.h: Introduce TYPEOF_UNQUAL() macro
Message-ID: <20241209113039.GN21636@noisy.programming.kicks-ass.net>
References: <20241208204708.3742696-1-ubizjak@gmail.com>
 <20241208204708.3742696-3-ubizjak@gmail.com>
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In-Reply-To: <20241208204708.3742696-3-ubizjak@gmail.com>

On Sun, Dec 08, 2024 at 09:45:17PM +0100, Uros Bizjak wrote:
> Define TYPEOF_UNQUAL() to use __typeof_unqual__() as typeof operator
> when available, to return unqualified type of the expression.
> 
> Current version of sparse doesn't know anything about __typeof_unqual__()
> operator. Avoid the usage of __typeof_unqual__() when sparse checking
> is active to prevent sparse errors with unknowing keyword.

Ooooh, new toys.

I suppose __unqual_scalar_typeof() wants to be using this when
available?