[dpdk-dev] [PATCH v3 04/12] linuxapp/vfio: ignore mapping for ioport region

Yuanhan Liu yuanhan.liu at linux.intel.com
Fri Jan 8 08:29:27 CET 2016


On Fri, Jan 08, 2016 at 12:23:15AM +0530, Santosh Shukla wrote:
> 
> 
> On Thu, Jan 7, 2016 at 11:46 PM, Stephen Hemminger <stephen at networkplumber.org>
> wrote:
>  
> 
>     > +             ret = pread64(vfio_dev_fd, &ioport_bar, sizeof(ioport_bar),
>     > +                           VFIO_GET_REGION_ADDR
>     (VFIO_PCI_CONFIG_REGION_INDEX)
>     > +                           + PCI_BASE_ADDRESS_0 + i*4);
>     > +
>     > +             if (ret != sizeof(ioport_bar)) {
>     > +                     RTE_LOG(ERR, EAL,
>     > +                             "Cannot read command (%x) from PCI config"
>     > +                             "space!\n", PCI_BASE_ADDRESS_0 + i*4);
> 
>     Please dont split the line of a log message string in mid sentence.
>    

First of all, it'd be good if you can fix your email client to reply
emails in a way open source world prefer, such as prefixing last email
with leading '> ', and do not auto fold lines.

> me to don't like splitting, This was deliberate to keep checkpatch happy, If we
> are ok with debug message > 80 line warning I guess  it will improve code
> readability.

You may try to shorten your message to "Cannot read cmd %x from config
space!" :)

> 
> 
>     > +                     return -1;
>     > +             }
>     > +
>     > +             if (ioport_bar & PCI_BASE_ADDRESS_SPACE_IO) {
>     > +                     RTE_LOG(INFO, EAL, "\tIgnore mapping since Its a i/
>     o"
>     > +                                        "port bar (%d) addr : %x\n", i,
>     same here
> 
> 
> Agreed.

Ditto, maybe following is better

    "Ignore mapping IO port bar %d, addr: %x\n".

	--yliu


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