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[192.35.156.11]) by smtp.gmail.com with ESMTPSA id p94sm251583pjp.15.2020.03.02.15.07.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2020 15:07:56 -0800 (PST) Date: Mon, 2 Mar 2020 15:07:53 -0800 From: Bjorn Andersson To: Clement Leger Cc: Ohad Ben-Cohen , Jonathan Corbet , Shawn Guo , Sascha Hauer , linux-remoteproc@vger.kernel.org, Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Andy Gross , Patrice Chotard , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Arnaud Pouliquen , Loic PALLARDY , s-anna , Mathieu Poirier Subject: Re: [PATCH v5 2/8] remoteproc: Use size_t instead of int for rproc_mem_entry len Message-ID: <20200302230753.GB262924@yoga> References: <20200210162209.23149-1-cleger@kalray.eu> <20200302093902.27849-1-cleger@kalray.eu> <20200302093902.27849-3-cleger@kalray.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200302093902.27849-3-cleger@kalray.eu> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 02 Mar 01:38 PST 2020, Clement Leger wrote: > Now that rproc_da_to_va uses a size_t for length, use a size_t for len field > of rproc_mem_entry. Function used to create such structures now takes > a size_t instead of int to allow full size range to be handled. > > Signed-off-by: Clement Leger Reviewed-by: Bjorn Andersson > --- > drivers/remoteproc/remoteproc_core.c | 14 ++++++++------ > drivers/remoteproc/remoteproc_debugfs.c | 2 +- > include/linux/remoteproc.h | 6 +++--- > 3 files changed, 12 insertions(+), 10 deletions(-) > > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 5ab094fc1b55..4bfaf4a3c4a3 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -318,8 +318,9 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i) > struct device *dev = &rproc->dev; > struct rproc_vring *rvring = &rvdev->vring[i]; > struct fw_rsc_vdev *rsc; > - int ret, size, notifyid; > + int ret, notifyid; > struct rproc_mem_entry *mem; > + size_t size; > > /* actual size of vring (in bytes) */ > size = PAGE_ALIGN(vring_size(rvring->len, rvring->align)); > @@ -746,11 +747,12 @@ static int rproc_alloc_carveout(struct rproc *rproc, > va = dma_alloc_coherent(dev->parent, mem->len, &dma, GFP_KERNEL); > if (!va) { > dev_err(dev->parent, > - "failed to allocate dma memory: len 0x%x\n", mem->len); > + "failed to allocate dma memory: len 0x%zx\n", > + mem->len); > return -ENOMEM; > } > > - dev_dbg(dev, "carveout va %pK, dma %pad, len 0x%x\n", > + dev_dbg(dev, "carveout va %pK, dma %pad, len 0x%zx\n", > va, &dma, mem->len); > > if (mem->da != FW_RSC_ADDR_ANY && !rproc->domain) { > @@ -957,7 +959,7 @@ EXPORT_SYMBOL(rproc_add_carveout); > */ > struct rproc_mem_entry * > rproc_mem_entry_init(struct device *dev, > - void *va, dma_addr_t dma, int len, u32 da, > + void *va, dma_addr_t dma, size_t len, u32 da, > int (*alloc)(struct rproc *, struct rproc_mem_entry *), > int (*release)(struct rproc *, struct rproc_mem_entry *), > const char *name, ...) > @@ -999,7 +1001,7 @@ EXPORT_SYMBOL(rproc_mem_entry_init); > * provided by client. > */ > struct rproc_mem_entry * > -rproc_of_resm_mem_entry_init(struct device *dev, u32 of_resm_idx, int len, > +rproc_of_resm_mem_entry_init(struct device *dev, u32 of_resm_idx, size_t len, > u32 da, const char *name, ...) > { > struct rproc_mem_entry *mem; > @@ -1270,7 +1272,7 @@ static void rproc_resource_cleanup(struct rproc *rproc) > unmapped = iommu_unmap(rproc->domain, entry->da, entry->len); > if (unmapped != entry->len) { > /* nothing much to do besides complaining */ > - dev_err(dev, "failed to unmap %u/%zu\n", entry->len, > + dev_err(dev, "failed to unmap %zx/%zu\n", entry->len, > unmapped); > } > > diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c > index dd93cf04e17f..82dc34b819df 100644 > --- a/drivers/remoteproc/remoteproc_debugfs.c > +++ b/drivers/remoteproc/remoteproc_debugfs.c > @@ -293,7 +293,7 @@ static int rproc_carveouts_show(struct seq_file *seq, void *p) > seq_printf(seq, "\tVirtual address: %pK\n", carveout->va); > seq_printf(seq, "\tDMA address: %pad\n", &carveout->dma); > seq_printf(seq, "\tDevice address: 0x%x\n", carveout->da); > - seq_printf(seq, "\tLength: 0x%x Bytes\n\n", carveout->len); > + seq_printf(seq, "\tLength: 0x%zx Bytes\n\n", carveout->len); > } > > return 0; > diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h > index 89215798eaea..bee559330204 100644 > --- a/include/linux/remoteproc.h > +++ b/include/linux/remoteproc.h > @@ -329,7 +329,7 @@ struct rproc; > struct rproc_mem_entry { > void *va; > dma_addr_t dma; > - int len; > + size_t len; > u32 da; > void *priv; > char name[32]; > @@ -599,13 +599,13 @@ void rproc_add_carveout(struct rproc *rproc, struct rproc_mem_entry *mem); > > struct rproc_mem_entry * > rproc_mem_entry_init(struct device *dev, > - void *va, dma_addr_t dma, int len, u32 da, > + void *va, dma_addr_t dma, size_t len, u32 da, > int (*alloc)(struct rproc *, struct rproc_mem_entry *), > int (*release)(struct rproc *, struct rproc_mem_entry *), > const char *name, ...); > > struct rproc_mem_entry * > -rproc_of_resm_mem_entry_init(struct device *dev, u32 of_resm_idx, int len, > +rproc_of_resm_mem_entry_init(struct device *dev, u32 of_resm_idx, size_t len, > u32 da, const char *name, ...); > > int rproc_boot(struct rproc *rproc); > -- > 2.15.0.276.g89ea799 >