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| author | Sebastian Ott <sebott@linux.ibm.com> | 2019-04-18 21:39:06 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-04-29 10:47:01 +0200 |
| commit | 56271303808fb86375ec33183d56c21fdeb836ea (patch) | |
| tree | 967c102ad201f82d36177cb694eecbdc28b5c14f /Documentation | |
| parent | 71ba41c9b1d91042960e9d92a5c8f52dc8531eda (diff) | |
s390/pci: add parameter to disable usage of MIO instructions
Allow users to disable usage of MIO instructions by specifying pci=nomio
at the kernel command line.
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index abc1b6e305c4..055284c31e37 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3395,6 +3395,7 @@ this removes isolation between devices and may put more devices in an IOMMU group. force_floating [S390] Force usage of floating interrupts. + nomio [S390] Do not use MIO instructions. pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power Management. |