From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E98AB407CC7; Mon, 29 Jun 2026 13:07:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782738453; cv=none; b=CrwA6YzCGuErVddn/eFnAr2yr9+lUz/LUsWwZyh61nj3a3cUriIaei6uQ7xHMGIRFsFgpI7cLLD4iqimhewtvJ5i+6wGu3gcGLc3rsGn4bUEBnqElzq5WKvbSphOq4j9NUmw+6v5JMcMduQHldvupByzhJjL+MC031qUYl/4K1Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782738453; c=relaxed/simple; bh=1nHoFufCQRZvZOzt8TZ/+CpQGjP+E9zQBPVYPA1TvoA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Id0Z/QzeZYCj4tJjoU+aN4d8KdKjjac/7LN0aMjINsjIEHxvBGTHixXVK5E7vnkhAI+m6DNVjssCuJST1QOoJjOeymukKzWc/+P86/4c90CPusoaDMq6U6H7wK5MokGy8CqdQpqNRBQb3EQYzZy98vYP2vlxoNJ6BXjvYs/DRYQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=vQEMozRh; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="vQEMozRh" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EA8461596; Mon, 29 Jun 2026 06:07:26 -0700 (PDT) Received: from [192.168.7.252] (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D0C4A3F85F; Mon, 29 Jun 2026 06:07:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1782738451; bh=1nHoFufCQRZvZOzt8TZ/+CpQGjP+E9zQBPVYPA1TvoA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=vQEMozRhtF8HLcAtsO/5itm66nu0uYE7GsfU+w6ru4676Pf6ULE7Ed0RNFlBYonRc tIASWVrc2MS7Iaivv0/qLyZ1/Y4ZNVjHZCAdFQVn7XlKSmnDeHBJGBwr0y821F6kDx 6zmTfdTUVHkrVy0TEiZmN43gRbAwOcjlql5jHu8w= Message-ID: Date: Mon, 29 Jun 2026 14:07:28 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/4] media: mali-c55: Implement CCM block validation To: Jacopo Mondi Cc: Laurent Pinchart , Nayden.Kanchev@arm.com, Konstantin Babin , Anthony McGivern , linus.walleij@arm.com, Daniel Scally , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Jacopo Mondi References: <20260627-mali-c55-ccm-gamma-v3-0-113584c05174@ideasonboard.com> <20260627-mali-c55-ccm-gamma-v3-2-113584c05174@ideasonboard.com> <20260629095732.GC3054459@killaraus.ideasonboard.com> <34de3262-3e3a-4b93-90a0-bf662162dd10@arm.com> Content-Language: en-GB From: Vincenzo Frascino In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Jacopo, Thanks for the clarification. On 29/06/2026 12:33, Jacopo Mondi wrote: > I don't think it's strictly an hot path but we're in ioctl context and > I think it makes sense to minimize the time it takes to complete the > ioctl call. I agree with what you are saying on the validation of the paramenters, I am fine with dropping the checks. -- Regards, Vincenzo