Re: [PATCH 2.6.12.5 1/2] lib: allow idr to be used in irq context

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

 



James Bottomley <James.Bottomley@xxxxxxxxxxxx> wrote:
>
> Since you won't post the usage code, just answer this: how does what
>  you're doing with idr differ from its originally designed consumer: the
>  posix timers which also do the idr_remove() in IRQ context?

erp.  posix_timers has its own irq-safe lock, so we're doing extra,
unneeded locking in that code path.

I think providing locking inside idr.c was always a mistake - generally we
rely on caller-provided locking for such things.
-
: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux