> Actually even PCIe might not be that easy. For example with current
> kernels on PowerPC 440SPe (SoC with PCIe), I just get:
>
> # lspci
> 00:01.0 InfiniBand: Mellanox Technology: Unknown device 6274 (rev a0)
>
> ie no host bridge / root complex.
Did somebody used the spec as toilet
> I'm worried by this... At no point do you check the host bridge
> capabilities, and thus will happily set the max read req size to some
> value larger than the max the host bridge can cope...
Well, it's disabled by default... the option is there as a quick way
to fix "why is my bandwidth so
I'm worried by this... At no point do you check the host bridge
capabilities, and thus will happily set the max read req size to some
value larger than the max the host bridge can cope...
Well, it's disabled by default... the option is there as a quick way
to fix why is my bandwidth so low
Actually even PCIe might not be that easy. For example with current
kernels on PowerPC 440SPe (SoC with PCIe), I just get:
# lspci
00:01.0 InfiniBand: Mellanox Technology: Unknown device 6274 (rev a0)
ie no host bridge / root complex.
Did somebody used the spec as toilet paper
On Mon, Dec 11, 2006 at 02:55:39PM +1100, Benjamin Herrenschmidt wrote:
> On Fri, 2006-12-08 at 10:22 -0800, Stephen Hemminger wrote:
> > plain text document attachment (mthca-rbc.patch)
> > Use new pci interfaces to set read request tuning values
> > Untested because of lack of hardware.
On Mon, Dec 11, 2006 at 02:55:39PM +1100, Benjamin Herrenschmidt wrote:
On Fri, 2006-12-08 at 10:22 -0800, Stephen Hemminger wrote:
plain text document attachment (mthca-rbc.patch)
Use new pci interfaces to set read request tuning values
Untested because of lack of hardware.
Sorry...I
Looks fine (assuming the PCI core interfaces it uses go in).
Acked-by: Roland Dreier <[EMAIL PROTECTED]>
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Use new pci interfaces to set read request tuning values
Untested because of lack of hardware.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/mthca/mthca_main.c | 38 +++
1 file changed, 9 insertions(+), 29 deletions(-)
---
Use new pci interfaces to set read request tuning values
Untested because of lack of hardware.
Signed-off-by: Stephen Hemminger [EMAIL PROTECTED]
---
drivers/infiniband/hw/mthca/mthca_main.c | 38 +++
1 file changed, 9 insertions(+), 29 deletions(-)
---
Looks fine (assuming the PCI core interfaces it uses go in).
Acked-by: Roland Dreier [EMAIL PROTECTED]
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