Re: [PATCH] pnp: replace deprecated __check_region to request_region

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

 



Hi Adam,

I can understand your worry, but back to beginning, just as the
subject of the patch: "replace deprecated __check_region to
request_region", I think this patch is still need, although it can't
solve the problems both you guys mentioned. Do you agree it?

2011/8/12 Adam M Belay <abelay@xxxxxxx>:
> Hi Wang,
>
> Yes, I think your description of the race condition is right. However, as
> Bjorn
> mentioned, there are many x86 init paths that will try to reserve the same
> resources as those reported by pnp/acpi. There needs to be a better way to
> coordinate legacy device enumeration. Otherwise, the request_region() calls
> could fail when there isn't an actual resource conflict.
>
> IF we could find a good way to clean up the legacy users of request_region()
> then we could probably make pnp behave more like pci with regard to resource
> reservations.
>
> Cheers,
> Adam


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


[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux