Re: [PATCH] Re: libata: PIO bounce copies to avoid long IRQ off runs

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

 



On Tue, 29 Apr 2008 18:01:28 -0400
Jeff Garzik <jeff@xxxxxxxxxx> wrote:

> I would tend to prefer this version...
> 
> 	- allocate buffer at init time
> 	- use lesser-used KM_IRQ1

Seems reasonable enough. You actually want to deal with the buffer at run
time however because you care about two cases

1.	Box with no highmem - easy to do compile time
2.	Box with no high pages allocated - kind of hairy with gcc as
the crystal ball feature doesn't work.
--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Filesystems]     [Linux SCSI]     [Linux RAID]     [Git]     [Kernel Newbies]     [Linux Newbie]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Samba]     [Device Mapper]

  Powered by Linux