On Tue, 2014-03-04 at 10:58 -0500, Alan Stern wrote:
On Mon, 3 Mar 2014, Dan Williams wrote:
Ok, so the root issue is that the peering code needs to see
hcd-primary_hcd = NULL to know that there is no longer a peer. I
update usb_remove_hcd() to clear out -shared_hcd and -primary_hcd
On Wed, 5 Mar 2014, Dan Williams wrote:
Please have a look at the following. I'm sure Greg will be happy that
we are killing these bugs before they become fodder for -stable. Thanks
Wow, do you really think all these changes will ever go into -stable?
I'm doubtful; they're rather large.
On Wed, Mar 5, 2014 at 12:18 PM, Alan Stern st...@rowland.harvard.edu wrote:
On Wed, 5 Mar 2014, Dan Williams wrote:
Please have a look at the following. I'm sure Greg will be happy that
we are killing these bugs before they become fodder for -stable. Thanks
Wow, do you really think all
On Mon, 3 Mar 2014, Dan Williams wrote:
In general I agree, and I like the compartmentalization of only needing
to take the lock in hub.c. But I still think we have a hole with a
scenario like the following (granted, this should never happen in
current code...):
CPU1
On Mon, 3 Mar 2014, Dan Williams wrote:
Ok, so the root issue is that the peering code needs to see
hcd-primary_hcd = NULL to know that there is no longer a peer. I
update usb_remove_hcd() to clear out -shared_hcd and -primary_hcd
under the peer lock before we allow the root hub to be freed.
On Fri, 28 Feb 2014, Dan Williams wrote:
Assume that the peer of a superspeed port is the port with the same id
on the shared_hcd root hub. This identification scheme is required of
external hubs by the USB3 spec [1]. However, for root hubs, tier mismatch
may be in effect [2]. Tier
On Mon, 2014-03-03 at 17:21 -0500, Alan Stern wrote:
On Fri, 28 Feb 2014, Dan Williams wrote:
Assume that the peer of a superspeed port is the port with the same id
on the shared_hcd root hub. This identification scheme is required of
external hubs by the USB3 spec [1]. However, for
On Mon, Mar 3, 2014 at 5:13 PM, Dan Williams dan.j.willi...@intel.com wrote:
On Mon, 2014-03-03 at 17:21 -0500, Alan Stern wrote:
On Fri, 28 Feb 2014, Dan Williams wrote:
Assume that the peer of a superspeed port is the port with the same id
on the shared_hcd root hub. This identification
On Mon, 2014-03-03 at 17:13 -0800, Dan Williams wrote:
On Mon, 2014-03-03 at 17:21 -0500, Alan Stern wrote:
On Fri, 28 Feb 2014, Dan Williams wrote:
Assume that the peer of a superspeed port is the port with the same id
on the shared_hcd root hub. This identification scheme is
Assume that the peer of a superspeed port is the port with the same id
on the shared_hcd root hub. This identification scheme is required of
external hubs by the USB3 spec [1]. However, for root hubs, tier mismatch
may be in effect [2]. Tier mismatch can only be enumerated via platform
10 matches
Mail list logo
