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 100F33164B8 for ; Wed, 7 Jan 2026 20:42:25 +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=1767818546; cv=none; b=TPEdOdviOxgVe8crAz8bMZKkD4WnsCFiJY+ZnC3r7SEfwVP8F74i0Urv4idSVTRrkK0yPRXqA7yHVuasD/qKQANFsCi7B2rd7JKuA3EkGo46Z655JW0+dRYXbdOczM1TgZ2nXJguy1gn8Ul7yrDD3I2P6dGiyKWq+FGNSRJNz0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767818546; c=relaxed/simple; bh=5BJ12JfDhRA0NZgXp03WDhFurJJmrexK+3YaTrT2YKQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=OSngWQjnEHvYezW+HEZqYvCTkacCXMHiHBzbjvtDuIiDD2lWwN8V+GUk94E/I3lPyMoDzJr7PHV6ErSOVXAbR5PTti+QSFH+AY1uKB8F3M42oEKD9rliZl+rqZ0s4vyJO0/ZyS58krXJdtzY7BXwxj3g2BHHggIuBvIREBlgYa0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l9WXeM9w; 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="l9WXeM9w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 575F9C4CEF1; Wed, 7 Jan 2026 20:42:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767818545; bh=5BJ12JfDhRA0NZgXp03WDhFurJJmrexK+3YaTrT2YKQ=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=l9WXeM9wABP/DNLhQ0WsiEHf4dd1oCEJx47OgCxFyKh8ExkbOdz6VvaDTb6AWc6p+ o5TWKuZfFNPVvMySD+f4lCz82cbqQp2SCnbEJ9QDrMPNzoms5MEPuzxYMSG8Kn+kZF sxe4xaIYV9gGweY15DblCXumc8AC0xLKmX2dpgHgMRr0pW0+QhpeLaD5ITRQLLXJmd uZKhrK32gHZCH9QBIZ0QNbA7Xxuvg6iQrpXkLUcIcptI5FZrdM9Fut42uig52yqwLk tJ2aCYDhKIA6O9dbYskPUk2jT3PmDhYI350bI/QrfU/7z8uFTpLuDI076J8APZISSn jPMWzwhzFBjXQ== Date: Wed, 7 Jan 2026 13:42:24 -0700 (MST) From: Paul Walmsley To: Ben Dooks cc: linux-sparse@vger.kernel.org Subject: Re: [PATCH 2/2] RISC-V: restart extension search on match In-Reply-To: <20260102114449.535597-3-ben.dooks@codethink.co.uk> Message-ID: References: <20260102114449.535597-1-ben.dooks@codethink.co.uk> <20260102114449.535597-3-ben.dooks@codethink.co.uk> Precedence: bulk X-Mailing-List: linux-sparse@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII On Fri, 2 Jan 2026, Ben Dooks wrote: > If we are passed multiple extensions in -march, don't assume these will > be in any sort of order. If we do match, then restart the loop by setting > the search back to 0, and retrying. > > This sorts out issues with the current kernel build where there are now > lots of extensions for the rv64i and even adding zacas doesn't silence the > warnings generated. > > Signed-off-by: Ben Dooks > --- > target-riscv.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/target-riscv.c b/target-riscv.c > index 80c25285..ddf50e61 100644 > --- a/target-riscv.c > +++ b/target-riscv.c > @@ -56,7 +56,7 @@ static void parse_march_riscv(const char *arg) > > // Each -march=.. options entirely overrides previous ones > riscv_flags = 0; > - > + Looks like some horizontal whitespace was inadvertently added here. > for (i = 0; i < ARRAY_SIZE(basic_sets); i++) { > const char *pat = basic_sets[i].pattern; > size_t len = strlen(pat); > @@ -80,6 +80,7 @@ ext: > if (!strncmp(arg, pat, len)) { > riscv_flags |= extensions[i].flags; > arg += len; > + i = 0; > } > } > if (arg[0]) Tested-by: Paul Walmsley - Paul