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| author | Dave Jiang <dave.jiang@intel.com> | 2021-07-20 23:42:10 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-07-28 15:25:40 +0300 |
| commit | ade8a86b512cf8db0d0e975a971ce356953cfcb3 (patch) | |
| tree | fa325515ae8b19e7fc7245ce7e23d40f88bc81ca /Documentation/admin-guide | |
| parent | 258cb692b82025d0e6e1cccb72baa60ff78d0ce8 (diff) | |
| download | linux-ade8a86b512cf8db0d0e975a971ce356953cfcb3.tar.xz | |
dmaengine: idxd: Set defaults for GRPCFG traffic class
Set GRPCFG traffic class to value of 1 for best performance on current
generation of accelerators. Also add override option to allow experimentation.
Sysfs knobs are disabled for DSA/IAX gen1 devices.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162681373005.1968485.3761065664382799202.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index bdb22006f713..ec5411cdec20 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1747,6 +1747,11 @@ support for the idxd driver. By default it is set to true (1). + idxd.tc_override= [HW] + Format: <bool> + Allow override of default traffic class configuration + for the device. By default it is set to false (0). + ieee754= [MIPS] Select IEEE Std 754 conformance mode Format: { strict | legacy | 2008 | relaxed } Default: strict |