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| author |   Ricardo Salveti <ricardo.salveti@linaro.org> | 2016-07-18 15:30:06 -0300 |
|---|---|---|
| committer | Ricardo Salveti <ricardo.salveti@linaro.org> | 2016-07-18 15:30:30 -0300 |
| commit | a41e6ff15809d40e0f9bbc9576bf8f7f80fbec1d (patch) | |
| tree | c9e6fc399c2738e84ed2585e6e51e90f9608ca12 /doc/guides/rel_notes/release_16_07.rst | |
| parent | 8b25d1ad5d2264bdfc2818c7bda74ee2697df6db (diff) | |
Imported Upstream version 16.07-rc2
Change-Id: Ie9e8ec528a2a0dace085c5e44aa7fa3b489d4ba0
Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org>
Diffstat (limited to 'doc/guides/rel_notes/release_16_07.rst')
| -rw-r--r-- | doc/guides/rel_notes/release_16_07.rst | 15 |
1 files changed, 15 insertions, 0 deletions
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 ~~~~~~~ |