Re: [PATCH -v3 1/4] pci, usb: Make usb handoff func all take base remapping

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2011-01-10 at 22:34 -0800, Yinghai Lu wrote:
> 
> system_state does not work.
> it only have BOOTING and RUNNING ...
> RUNNING is set in init/main.c::init_post().
> so early_quirk and pci_quirk all with BOOTING stage...

Or we can make msleep() itself safe...

Ben.

>  slab_is_available() could be used, but looks alike abuse.
> 
> > 
> > We could even wrap it into a safe_delay() function or whatever (in
> fact
> > why not make msleep() itself safe ? It's not like it was timing
> critical
> > code :-)
> 
> like 
> void safe_udelay(unsigned long usecs)
> {
>         if (slab_is_available())
>                 udelay(usecs)
>         else
>                 early_udelay(usecs);
> }
> 
> or wonder if you are happy with
> 
> void __weak safe_udelay(unsigned long usecs)
> {
>         udelay(usecs);
> }
> 
> and will have x86 have it's own safe_udelay... 

--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux