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Filename Latest commit message Latest commit date
Jacob Keller 2e0645a00e mlx5: reject unsupported external timestamp flags
Fix the mlx5 core PTP support to explicitly reject any future flags that
get added to the external timestamp request ioctl.

In order to maintain currently functioning code, this patch accepts all
three current flags. This is because the PTP_RISING_EDGE and
PTP_FALLING_EDGE flags have unclear semantics and each driver seems to
have interpreted them slightly differently.

[ RC: I'm not 100% sure what this driver does, but if I'm not wrong it
      follows the dp83640:

  flags                                                 Meaning
  ----------------------------------------------------  --------------------------
  PTP_ENABLE_FEATURE                                    Time stamp rising edge
  PTP_ENABLE_FEATURE|PTP_RISING_EDGE                    Time stamp rising edge
  PTP_ENABLE_FEATURE|PTP_FALLING_EDGE                   Time stamp falling edge
  PTP_ENABLE_FEATURE|PTP_RISING_EDGE|PTP_FALLING_EDGE   Time stamp falling edge
]

Cc: Feras Daoud <ferasda@mellanox.com>
Cc: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15 12:48:32 -08:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-08 18:21:05 -08:00
block blkcg: make blkcg_print_stat() print stats only for online blkgs 2019-11-06 17:08:38 -07:00
certs
crypto
Documentation Documentation: TLS: Add missing counter description 2019-11-05 18:34:06 -08:00
drivers mlx5: reject unsupported external timestamp flags 2019-11-15 12:48:32 -08:00
fs for-linus-2019-11-08 2019-11-08 18:15:55 -08:00
include ptp: Validate requests to enable time stamping of external signals. 2019-11-15 12:48:32 -08:00
init
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-08 18:21:05 -08:00
lib XArray updates for 5.4 2019-11-08 08:46:49 -08:00
LICENSES
mm mm: memcontrol: fix network errors from failing __GFP_ATOMIC charges 2019-11-06 08:47:50 -08:00
net tipc: add back tipc prefix to log messages 2019-11-14 18:03:03 -08:00
samples samples/bpf: fix build by setting HAVE_ATTR_TEST to zero 2019-10-31 21:39:15 +01:00
scripts Modules fixes for v5.4-rc7 2019-11-08 09:48:19 -08:00
security efi/efi_test: Lock down /dev/efi_test and require CAP_SYS_ADMIN 2019-10-31 09:40:21 +01:00
sound ASoC: Fixes for v5.4 2019-11-07 13:52:17 +01:00
tools selftests: mlxsw: Adjust test to recent changes 2019-11-15 12:14:38 -08:00
usr
virt kvm: call kvm_arch_destroy_vm if vm creation fails 2019-10-31 12:13:16 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-08 18:21:05 -08:00
Makefile Linux 5.4-rc6 2019-11-03 14:07:26 -08:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.