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s390/Kconfig: default PCI_NR_FUNCTIONS to 512

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With the addition of more complete SR-IOV support, we are recommending
to raise this limit for distributions to 512, as the previous default of
128 can easily be hit with just the VFs of a single PCI physical
function.
With at least one distribution now shipping with this, supporting
only one fourth as many PCI functions on a default upstream build may
lead to confusion and reduced testing of the higher limit so increase
the default to 512.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Niklas Schnelle 2020-11-19 11:38:46 +01:00 committed by Heiko Carstens
parent 80f0630624
commit 10e5921747
1 changed files with 1 additions and 1 deletions
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arch/s390/Kconfig
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@ -712,7 +712,7 @@ if PCI
config PCI_NR_FUNCTIONS config PCI_NR_FUNCTIONS
int "Maximum number of PCI functions (1-4096)" int "Maximum number of PCI functions (1-4096)"
range 1 4096 range 1 4096
default "128" default "512"
help help
This allows you to specify the maximum number of PCI functions which This allows you to specify the maximum number of PCI functions which
this kernel will support. this kernel will support.