Re: [PATCH 02/10] mpt3sas: Fix for incorrect numbers for MSIX vectors enabled when non RDPQ card is enumerated first.

[Tomas Henzl]

On 20.10.2016 14:20, Suganath Prabu S wrote:
> No. of MSIX vectors supported = min (Total no. of CPU cores,
> MSIX vectors supported by card)
>
> when RDPQ is disabled "max_msix_vectors" module parameter which was
> declared as global was set to '8' and hence if there are more than one card
> in system among which if RDPQ disabled card is enumerated first then only 8
> MSIX vectors was getting enabled for all the cards(including RDPQ enabled
> card,which can support more than 8 MSIX vectors).
>
> Used local variable instead of global variable ,if RDPQ is disabled this
> local variable is set to '8' else it is set to "max_msix_vectors" (by
> default this is set to -1, whose value can be set by user during driver
> load time).So now regardless of whether RDPQ disabled card is enumerated
> first or RDPQ enabled card is enumerated first , MSIX vectors enabled
> depends on the cards capability.
>
> Signed-off-by: Chaitra P B <chaitra.basappa@xxxxxxxxxxxx>
> Signed-off-by: Sathya Prakash <sathya.prakash@xxxxxxxxxxxx>
> Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@xxxxxxxxxxxx>

Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>

Tomas