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[142.134.23.187]) by smtp.gmail.com with ESMTPSA id i14-20020a4aab0e000000b0057327cecdd8sm2410792oon.10.2023.11.29.16.39.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Nov 2023 16:39:52 -0800 (PST) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1r8V5r-005qzk-3H; Wed, 29 Nov 2023 20:39:51 -0400 Date: Wed, 29 Nov 2023 20:39:51 -0400 From: Jason Gunthorpe To: Robin Murphy Cc: Joerg Roedel , Christoph Hellwig , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Paul Walmsley , Palmer Dabbelt , Albert Ou , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Suravee Suthikulpanit , David Woodhouse , Lu Baolu , Niklas Schnelle , Matthew Rosato , Gerald Schaefer , Jean-Philippe Brucker , Rob Herring , Frank Rowand , Marek Szyprowski , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, iommu@lists.linux.dev, devicetree@vger.kernel.org Subject: Re: [PATCH 3/7] ACPI/IORT: Handle memory address size limits as limits Message-ID: <20231130003951.GA1394392@ziepe.ca> References: <2ae6199a9cf035c1defd42e48675b827f41cdc95.1701268753.git.robin.murphy@arm.com> Precedence: bulk X-Mailing-List: linux-acpi@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: <2ae6199a9cf035c1defd42e48675b827f41cdc95.1701268753.git.robin.murphy@arm.com> On Wed, Nov 29, 2023 at 05:43:00PM +0000, Robin Murphy wrote: > Return the Root Complex/Named Component memory address size limit as an > inclusive limit value, rather than an exclusive size. This saves us > having to special-case 64-bit overflow, and simplifies our caller too. > > Signed-off-by: Robin Murphy > --- > drivers/acpi/arm64/dma.c | 9 +++------ > drivers/acpi/arm64/iort.c | 18 ++++++++---------- > include/linux/acpi_iort.h | 4 ++-- > 3 files changed, 13 insertions(+), 18 deletions(-) Reviewed-by: Jason Gunthorpe Jason From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22505C4167B for ; Thu, 30 Nov 2023 00:40:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fMHi//KMXue1MrdClW3tJrE4KAyP/ngAZWmrSMXZsaI=; b=4vnTSX7WDmae1d c7jpgrodSplXrWad6v3iSzgiSG+KLhVDHL0NM07efhBiZXOpNhsyrgfThHISnB6Ykk20jZJPazhDe 0dDdamd/yMQsGfrIdJbdR13xldf7Xdz9GCHfRd8XbudR0riAZAxOslY9ACaFSovl7fYa/euKD/Kx9 X+McevLYQoLWZUTnB3FZICdtlfsRGGzfY0ckU7FoOWDxC9hHk6CpYChGSjjYqfdmI0vPHRZ+jVrFt j+742HKRm6cYLkO/FYo/RJOQRFCF0eFqRwgqNXsqcdKzU7KjSjg+a39TfJwbSkRkDMJHk95E1bc+T 0F9WtmSsQKRebKNxcFoA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r8V5z-009aoJ-0K; Thu, 30 Nov 2023 00:39:59 +0000 Received: from mail-oo1-xc32.google.com ([2607:f8b0:4864:20::c32]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r8V5v-009anE-20 for linux-arm-kernel@lists.infradead.org; Thu, 30 Nov 2023 00:39:56 +0000 Received: by mail-oo1-xc32.google.com with SMTP id 006d021491bc7-58d52e0065fso186769eaf.0 for ; Wed, 29 Nov 2023 16:39:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1701304792; x=1701909592; darn=lists.infradead.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=dqKTf6r/9DX5X0G9N0YPszfAss74aB4UlJwKc4ipXlY=; b=XLFW+JONOPRMO8hBqPbhNRKnZdLd9k1tW8UMP5g3bf/R8BAAbsx6ok0taNpyyxwMsP SMiaiMSt+I935w26jV0C2n595oyN7l7t6maij3BPpJq/bLcvVx46oOR2lm1i1dtXC77B W6TDYJe+VVkZTyHwyg/WvK7I5FJwRl2fabuWuKfhNXW7t0yO9LC1wR9aveiE+CDNuKmD yrzcjG07z164b37Bt7yHYEBxnLWtCI6oUVdrN8ux76P3U4XFb9gOeCr6lCdI5bjiwBkD ASjNbQJr6+p00UYr8XqJRgMOG4G1GpErzhYw34hRBrPs5Q7hFvzJ18mkP2ktXRTH5fRf erYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701304792; x=1701909592; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=dqKTf6r/9DX5X0G9N0YPszfAss74aB4UlJwKc4ipXlY=; b=uXCk5i+1Ofg1uGPabogP8yz2vL9exCd1KVi0JJpkmZvCyJ+WYnv1CqhYE8cjsFwIEa bLQ+2Fnn9x2jbWsf6ZxxzYcOIvKaMbVXCiZdMjJG4LpPAyZl8QICwIquwoLgA3dpPmX5 xVUhrkGRRkGbXdRKQtmwgOAVZpZ3YBK/8NlelNMzYOxrG+qhgN7j3v8kHHTn8yV73mKN UqTme9Bjop2j3qkHEKBo0U59Fi/JeqzIp+lGm2ui9SEYjMBUBdwHvfWQUpV1QjIJjOk7 kqdtxSqRs7+8pcK2MvVIC8d9a95vLp3Wbm3XCMdcdlM34c79OpqbVtxur71qsHisna19 gCWw== X-Gm-Message-State: AOJu0Yzrh4SxisliZzee5OlWP1r4+vg5THPamTThg3k93JY8ItZd0W5E qqlnOD5pb+JTu7g8dlN/x93ZPQ== X-Google-Smtp-Source: AGHT+IG4kpqJkp5MuGe0QWOyJQ+HDuDWisfSFN2LiYZ3lNwDJg400B3FZHlbHx5WpKar2Jc43DZwNA== X-Received: by 2002:a4a:a645:0:b0:58d:6bf6:4daf with SMTP id j5-20020a4aa645000000b0058d6bf64dafmr7941560oom.2.1701304792652; Wed, 29 Nov 2023 16:39:52 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-134-23-187.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.134.23.187]) by smtp.gmail.com with ESMTPSA id i14-20020a4aab0e000000b0057327cecdd8sm2410792oon.10.2023.11.29.16.39.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Nov 2023 16:39:52 -0800 (PST) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1r8V5r-005qzk-3H; Wed, 29 Nov 2023 20:39:51 -0400 Date: Wed, 29 Nov 2023 20:39:51 -0400 From: Jason Gunthorpe To: Robin Murphy Cc: Joerg Roedel , Christoph Hellwig , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Paul Walmsley , Palmer Dabbelt , Albert Ou , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Suravee Suthikulpanit , David Woodhouse , Lu Baolu , Niklas Schnelle , Matthew Rosato , Gerald Schaefer , Jean-Philippe Brucker , Rob Herring , Frank Rowand , Marek Szyprowski , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, iommu@lists.linux.dev, devicetree@vger.kernel.org Subject: Re: [PATCH 3/7] ACPI/IORT: Handle memory address size limits as limits Message-ID: <20231130003951.GA1394392@ziepe.ca> References: <2ae6199a9cf035c1defd42e48675b827f41cdc95.1701268753.git.robin.murphy@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2ae6199a9cf035c1defd42e48675b827f41cdc95.1701268753.git.robin.murphy@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231129_163955_664525_17E52621 X-CRM114-Status: GOOD ( 13.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Nov 29, 2023 at 05:43:00PM +0000, Robin Murphy wrote: > Return the Root Complex/Named Component memory address size limit as an > inclusive limit value, rather than an exclusive size. This saves us > having to special-case 64-bit overflow, and simplifies our caller too. > > Signed-off-by: Robin Murphy > --- > drivers/acpi/arm64/dma.c | 9 +++------ > drivers/acpi/arm64/iort.c | 18 ++++++++---------- > include/linux/acpi_iort.h | 4 ++-- > 3 files changed, 13 insertions(+), 18 deletions(-) Reviewed-by: Jason Gunthorpe Jason _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel