From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 799881D5CFB; Fri, 27 Feb 2026 14:36:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772202971; cv=none; b=nBT23yXu8frVCXd6TJdRLTJDzDDG6l0jSmgZGjUUS86GDb1YmB+kDMuvDEacbrHoYFRHwblWjGEfavzT8GQt00jBJg6nIwQpsHaY1N+y3kCs8Hz8lzMZBHVq7qKiN5fLd8/s8jwNL2alYqiUV4Mxsmvy7efdgrAARf0UBLVLLug= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772202971; c=relaxed/simple; bh=sd4Dk0zWsQwDRJSs7bWqIQywpiYjqUPgxmAIc0fK68w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gaLg9Jze9ctgbrycZ9vKaFtF/y6THnMTJZfiH4S1sBkzn3KhJwGRcc5Ba/weDsfG65QzP0UI9vqL0JsssAbOCHCvOZwX7EeNIgyWIr+GE+X/2iJp6Bav5kWJnmK15Qsm3aPF9BBkq86Zna455QcSM+tz4gr1CWZSyPQVfFpWCw8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=gT19zSyJ; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="gT19zSyJ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=sd4Dk0zWsQwDRJSs7bWqIQywpiYjqUPgxmAIc0fK68w=; b=gT19zSyJlZ01h1mPp6S80vBRFH IjVl8R7qdhkl82ZBM7K3RNQpUuVOTEwfhynLod0ekoivTAyc2hIi5NguGcnPGSOm6VQVTDzw/0rOw urM2L/MwCIku3UuvefipMJbZqe5dglNz/hc9BoOT8YeFkRst9vGYMSVL6cZl6ZIImDnD1thTOFeAF ODqvOra+EtsrlT1pLBtYPSmMit/r4pO/rdscvLDG2eKuyFrdjgPlJKvnUAZB30EOfr6DaPhrv4kxm 3fwl5hJdlR5agJOWM8H7LgjD4dLSQ8/qkqU0dRCf2e1BShjqjyLfXHHv2BMBj6E4WQl2U6QFU0qi9 9XGYd2YA==; Received: from 2001-1c00-8d85-5700-266e-96ff-fe07-7dcc.cable.dynamic.v6.ziggo.nl ([2001:1c00:8d85:5700:266e:96ff:fe07:7dcc] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vvywp-00000004i4d-0v3S; Fri, 27 Feb 2026 14:36:07 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id AF18E300462; Fri, 27 Feb 2026 15:36:06 +0100 (CET) Date: Fri, 27 Feb 2026 15:36:06 +0100 From: Peter Zijlstra To: Christoph Hellwig Cc: Andrew Morton , Richard Henderson , Matt Turner , Magnus Lindholm , Russell King , Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , "David S. Miller" , Andreas Larsson , Richard Weinberger , Anton Ivanov , Johannes Berg , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Herbert Xu , Dan Williams , Chris Mason , David Sterba , Arnd Bergmann , Song Liu , Yu Kuai , Li Nan , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-crypto@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-arch@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: [PATCH 25/25] xor: use static_call for xor_gen Message-ID: <20260227143606.GI1282955@noisy.programming.kicks-ass.net> References: <20260226151106.144735-1-hch@lst.de> <20260226151106.144735-26-hch@lst.de> Precedence: bulk X-Mailing-List: linux-raid@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: <20260226151106.144735-26-hch@lst.de> On Thu, Feb 26, 2026 at 07:10:37AM -0800, Christoph Hellwig wrote: > Avoid the indirect call for xor_generation by using a static_call. Nice!