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Date: Wed, 4 Sep 2013 13:58:20 -0500 From: "Philip J. Kelleher" <pjk1939@...ux.vnet.ibm.com> To: axboe@...nel.dk Cc: linux-kernel@...r.kernel.org, brking@...ux.vnet.ibm.com Subject: [PATCH v3 0/2] rsxx: RSXX driver Bug fixes. The incoming patch series contains 2 patches for the rsxx driver (drivers/block/rsxx). Version 1: A patch series containing 5 patches was sent out a few weeks ago. Version 2: o This version decreased the number of patches for the patch series based on importance. o Started using the function pci_dma_mapping_error to check the return status of pci_map_page. Version 3: o Fixes a compile error in patch 1. o Changed the error handling for pci_map_page to cancel all dmas instead of just returning out. Patch 1: The driver wasn't handling the return value of pci_map_page correctly for the PowerPC architecture. This also uncovered a double free scenario that is fixed here. Patch 2: In this patch, the pci_map_page function has been moved into our issued workqueue to prevent an us running out of mappable addresses on non- HWWD PCIe x8 slots. The maximum amount that can possible be mapped at one time now is: 255 dmas X 4 dma channels X 4096 Bytes. Regards, - Philip Kelleher -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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