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authorRicardo Salveti <ricardo.salveti@linaro.org>2016-07-18 15:30:06 -0300
committerRicardo Salveti <ricardo.salveti@linaro.org>2016-07-18 15:30:30 -0300
commita41e6ff15809d40e0f9bbc9576bf8f7f80fbec1d (patch)
treec9e6fc399c2738e84ed2585e6e51e90f9608ca12 /doc/guides/rel_notes
parent8b25d1ad5d2264bdfc2818c7bda74ee2697df6db (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')
-rw-r--r--doc/guides/rel_notes/release_16_07.rst15
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
~~~~~~~