From: David Howells
Date: Thu, 09 Mar 2017 07:51:34 +
> David Miller wrote:
>
>> I guess this is fine, but I think you can use one of the two "sk_padding"
>> bits in struct sock instead of making the structure larger.
>
> It shouldn't make the structure larger since there's a hole in the s
David Miller wrote:
> I guess this is fine, but I think you can use one of the two "sk_padding"
> bits in struct sock instead of making the structure larger.
It shouldn't make the structure larger since there's a hole in the structure:
unsigned intsk_padding : 2,
From: David Howells
Date: Mon, 06 Mar 2017 15:04:44 +
> Fix the general case by:
>
> (1) Double up all the locking keys used in sockets so that one set are
> used if the socket is created by userspace and the other set is used
> if the socket is created by the kernel.
>
> (2) St
Lockdep issues a circular dependency warning when AFS issues an operation
through AF_RXRPC from a context in which the VFS/VM holds the mmap_sem.
The theory lockdep comes up with is as follows:
(1) If the pagefault handler decides it needs to read pages from AFS, it
calls AFS with mmap_sem
