From a41e6ff15809d40e0f9bbc9576bf8f7f80fbec1d Mon Sep 17 00:00:00 2001 From: Ricardo Salveti Date: Mon, 18 Jul 2016 15:30:06 -0300 Subject: Imported Upstream version 16.07-rc2 Change-Id: Ie9e8ec528a2a0dace085c5e44aa7fa3b489d4ba0 Signed-off-by: Ricardo Salveti --- doc/guides/rel_notes/release_16_07.rst | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'doc/guides/rel_notes/release_16_07.rst') diff --git a/doc/guides/rel_notes/release_16_07.rst b/doc/guides/rel_notes/release_16_07.rst index 569f562f..e2af1474 100644 --- a/doc/guides/rel_notes/release_16_07.rst +++ b/doc/guides/rel_notes/release_16_07.rst @@ -195,6 +195,21 @@ Resolved Issues EAL ~~~ +* **igb_uio: Fixed possible mmap failure for Linux >= 4.5.** + + mmaping the iomem range of the PCI device fails for kernels that + enabled CONFIG_IO_STRICT_DEVMEM option: + + EAL: pci_map_resource(): + cannot mmap(39, 0x7f1c51800000, 0x100000, 0x0): + Invalid argument (0xffffffffffffffff) + + CONFIG_IO_STRICT_DEVMEM is introduced in Linux v4.5 + + Updated igb_uio to stop reserving PCI memory resources, from + kernel point of view iomem region looks like idle and mmap worked + again. This matches uio_pci_generic usage. + Drivers ~~~~~~~ -- cgit 1.2.3-korg