Andi Kleen wrote:
> On Friday 19 May 2006 10:29, Richard J Moore wrote:
>> Is there any possibility of a inducing a page fault when checking the
>> second byte?
>
> AFAIK instr is in the out of line instruction copy. Kernel would need
> to be pretty broken already if that page faulted.
There is no possibility that copied instruction step over
a page boundary. Instruction slot is in the page that
is allocated in get_insn_slot(). And get_insn_slot()
acquires the page by module_alloc(), and divides into
slots.
Satoshi Oshima
-
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]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
