Re: [PATCH 001 of 2] Prepare for __copy_from_user_inatomic to not zero missed bytes.

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

 



NeilBrown <[email protected]> wrote:

> Interestingly 'frv' disables preempt in kmap_atomic, but its
> copy_from_user doesn't expect faults and never zeros the tail...

What gives you the idea that copy_from_user() on FRV doesn't expect or handle
faults when CONFIG_MMU is set?  And why do you say it never zeroes the tail?

David
-
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]
  Powered by Linux