From nobody Wed Oct 8 07:31:27 2025 Received: from ms.lwn.net (ms.lwn.net [45.79.88.28]) (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 5CD25266560; Tue, 1 Jul 2025 20:57:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.79.88.28 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751403479; cv=none; b=Q1p1piSGDaN/qaXoFcgMJEevZImdDAJjgG4gZ+QRdKWGJ2MHmZWbwVPlTZJpb/PtIjyCwijqbUovw0XQzfwsEMDeldxS6hb+f/ipfHy3lsr6++awpdj/239szhzzylcXHu6OoONAgqooV5H7PxSVwHRx56KZpyn99WYddm7RU2E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751403479; c=relaxed/simple; bh=Eaksr4HhPMjQmwPjPOOAjOOvNz7adjAjvNRO1mGvo5c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BanzwLeXIgzKPdTsqoOuLR1VJ+57wx22Y1r1QZHXGDOk50gWryvLZgPnbesXM9xeNaeUDAZDMzdETo6YTnhtnkOcfh/kScW67gB987GBcag3AqegWyrT/KmSVYPFU1j/HFuoNxKCppOzNgQ00ol0G99b4bdtP97x0RkfQJaDNT4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lwn.net; spf=pass smtp.mailfrom=lwn.net; dkim=pass (2048-bit key) header.d=lwn.net header.i=@lwn.net header.b=IX7J0deq; arc=none smtp.client-ip=45.79.88.28 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lwn.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lwn.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lwn.net header.i=@lwn.net header.b="IX7J0deq" DKIM-Filter: OpenDKIM Filter v2.11.0 ms.lwn.net BF84540AD0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lwn.net; s=20201203; t=1751403472; bh=uKLzQw6LskeWU3LFVrkmzDlvEIcpVXbA+0YqM4MUzu8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IX7J0deq62csjiUS+s4DmMe0Y9GFwQ0BurnEWF9KlHflSqAkYBwB2qw/txy/Uv+5n ji5jNokHj09mWoT+OvrWgvFT7p27TFcbf3kmMq6ll03wcYSCX72GJ1s7m9lmkSokn5 TMJCSYYEZOP5+BNV/UruaemBzmM+il/lvEXxwaIPP7TuEmXMHb1nI7XNzM//7V5vI0 CCJ8KOLZvv+Dc3O/xKrVqoY0eWOfCY2Q3bCNhnUIBCdxsN9ObRz3d3xl1dlkBcMldG 6diUfO7e1/2UU+2KktN8xOO3mK8ROzNgCDjw6nWSzlHEcIIWT4vje/YdCyvrLf2Ec7 qGSK17+FJrwoA== Received: from trenco.lwn.net (unknown [IPv6:2601:280:4600:2da9::1fe]) by ms.lwn.net (Postfix) with ESMTPA id BF84540AD0; Tue, 1 Jul 2025 20:57:51 +0000 (UTC) From: Jonathan Corbet To: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Mauro Carvalho Chehab , Akira Yokosawa , Jonathan Corbet Subject: [PATCH 2/7] docs: kdoc: micro-optimize KernRe Date: Tue, 1 Jul 2025 14:57:25 -0600 Message-ID: <20250701205730.146687-3-corbet@lwn.net> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250701205730.146687-1-corbet@lwn.net> References: <20250701205730.146687-1-corbet@lwn.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Switch KernRe::add_regex() to a try..except block to avoid looking up each regex twice. Signed-off-by: Jonathan Corbet --- scripts/lib/kdoc/kdoc_re.py | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/scripts/lib/kdoc/kdoc_re.py b/scripts/lib/kdoc/kdoc_re.py index e81695b273bf..a467cd2f160b 100644 --- a/scripts/lib/kdoc/kdoc_re.py +++ b/scripts/lib/kdoc/kdoc_re.py @@ -29,12 +29,10 @@ class KernRe: """ Adds a new regex or re-use it from the cache. """ - - if string in re_cache: + try: self.regex =3D re_cache[string] - else: + except KeyError: self.regex =3D re.compile(string, flags=3Dflags) - if self.cache: re_cache[string] =3D self.regex =20 --=20 2.49.0