Messages in this thread | | | Date | Mon, 28 May 2012 15:29:58 +0200 | From | Jan Kiszka <> | Subject | Re: [PATCH] PCI: Mark INTx masking support of Chelsio T310 10GbE NIC as broken |
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On 2012-05-28 15:21, Michael S. Tsirkin wrote: > On Mon, May 28, 2012 at 02:51:25PM +0200, Jan Kiszka wrote: >> On 2012-05-28 14:39, Michael S. Tsirkin wrote: >>> On Fri, May 25, 2012 at 11:02:13AM -0300, Jan Kiszka wrote: >>>> According to Alexey, the T310 does not properly support INTx masking as >>>> it fails to keep the PCI_STATUS_INTERRUPT bit updated once the interrupt >>>> is masked. Mark this adapter as broken so that pci_intx_mask_supported >>>> won't report it as compatible. >>>> >>>> Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru> >>>> Signed-off-by: Jan Kiszka <jan.kiszka@web.de> >>> >>> >>> Just a thought: would be nice to have a way to discover >>> the quirk was activated. Add an attribute so that >>> userspace can detect and report this properly to users? >>> Or just log a warning message ... >> >> pr_notice_once? > > OK IMO. > >> A flag for userspace would be significantly more >> complicated (and not PCI layer hands). > > Why not? I meant e.g. an attribute in pci-sysfs.
Possible. But what is the preferred way of doing this? Are there any precedences?
Jan
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