From: Ed L Cashin <[email protected]>
Date: Mon, 19 Sep 2005 10:24:00 -0400
> 1) Passing le64_to_cpup an unaligned pointer is "OK" and within the
> intended use of the function. I'm having trouble finding whether
> this is documented somewhere.
>
> 2) These new changes to the sparc64 unaligned access fault handling
> will make it OK to leave the aoe driver the way it is in the
> mainline kernel.
Both #1 and #2 are true.
Although it's very much discouraged to dereference unaligned pointers,
especially in performance critical code (which this AOE case is not,
thankfully), because performance will be really bad as the trap
handler has to fix up the access on RISC platforms.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
| |
 |