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Wed, 8 May 2024 08:51:56 +0000 Message-ID: Date: Wed, 8 May 2024 10:51:28 +0200 User-Agent: Mozilla Thunderbird Subject: Re: linux-next: build failure after merge of the dma-mapping tree To: Christoph Hellwig , Stephen Rothwell CC: Linux Kernel Mailing List , "Linux Next Mailing List" References: <20240508091631.1ec34a25@canb.auug.org.au> <20240508065102.GC10736@lst.de> From: Alexander Lobakin Content-Language: en-US In-Reply-To: <20240508065102.GC10736@lst.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: ZR2P278CA0019.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:46::14) To DS0PR11MB8718.namprd11.prod.outlook.com (2603:10b6:8:1b9::20) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR11MB8718:EE_|CY5PR11MB6138:EE_ X-MS-Office365-Filtering-Correlation-Id: 6abd8d34-2032-436a-ef76-08dc6f3c1d33 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|366007|1800799015|376005; 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I'll fold in the patch below to drop two consts for now. > Alexander, if you want to pass the consts through we'll also need to > modify page_pool_get_dma_addr, which looks doable. If you want that, > please send an incremental patch. I'm verry sorry for that. I had 2 trees, one with const get_dma_addr() and dma-for-next without const, and didn't check it compiles after rebasing >_< net-next already has this const. We could leave it as in your attached patch, but then there'll be a trivial conflict when merging with net-next. Or I can send an incremental quick fix for dma-for-next, but then 2 commits (one in your tree and one in net-next) will have these changes duplicated. What do you think? > > diff --git a/net/core/page_pool.c b/net/core/page_pool.c > index 8836aaaf23855f..4f9d1bd7f4d187 100644 > --- a/net/core/page_pool.c > +++ b/net/core/page_pool.c > @@ -399,7 +399,7 @@ static struct page *__page_pool_get_cached(struct page_pool *pool) > } > > static void __page_pool_dma_sync_for_device(const struct page_pool *pool, > - const struct page *page, > + struct page *page, > u32 dma_sync_size) > { > #if defined(CONFIG_HAS_DMA) && defined(CONFIG_DMA_NEED_SYNC) > @@ -413,7 +413,7 @@ static void __page_pool_dma_sync_for_device(const struct page_pool *pool, > > static __always_inline void > page_pool_dma_sync_for_device(const struct page_pool *pool, > - const struct page *page, > + struct page *page, > u32 dma_sync_size) > { > if (pool->dma_sync && dma_dev_need_sync(pool->p.dev)) Thanks, Olek