From: sashiko-bot@kernel.org
To: "Mathias Nyman" <mathias.nyman@linux.intel.com>
Cc: linux-usb@vger.kernel.org
Subject: Re: [PATCH v2 06/11] usb: xhci: Guarantee URB giveback on Ring Underrun/Overrun
Date: Fri, 09 Oct 2026 15:25:59 +0000 [thread overview]
Message-ID: <sashiko-outbox-165770@kernel.org> (raw)
In-Reply-To: <20261009151624.618967-7-mathias.nyman@linux.intel.com>
> From: Michal Pecio <michal.pecio@gmail.com>
>
> In this case we know that the xHC has released ownership of all missed
> TDs, we only don't know which were missed and which were queued later.
>
> URBs are queued atomically, so we can safely give back all TDs of the
> currently executing URB. Unlike the previous policy, this does actually
> ensure that the class driver will learn about the error and won't see
> all of its URBs still in progress when all TDs are missed on xHCI 1.0.
>
> Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261009151624.618967-1-mathias.nyman@linux.intel.com?part=6
next prev parent reply other threads:[~2026-10-09 15:25 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 15:16 [PATCH v2 00/11] xhci features and fixes for usb-next Mathias Nyman
2026-10-09 15:16 ` [PATCH v2 01/11] usb: xhci: return an error if the host is not halted Mathias Nyman
2026-10-09 15:24 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 02/11] usb: xhci: Unlock for command abort polling Mathias Nyman
2026-10-09 15:27 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 03/11] usb: xhci: fix typos in comments Mathias Nyman
2026-10-09 15:18 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 04/11] xhci: check device notification type before forwarding wake event Mathias Nyman
2026-10-09 15:23 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 05/11] xhci: dbc: lock the minor IDR on registration failure Mathias Nyman
2026-10-09 15:25 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 06/11] usb: xhci: Guarantee URB giveback on Ring Underrun/Overrun Mathias Nyman
2026-10-09 15:25 ` sashiko-bot [this message]
2026-10-09 15:16 ` [PATCH v2 07/11] usb: xhci: Don't set the skip flag on non-isoc endpoints Mathias Nyman
2026-10-09 15:23 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 08/11] usb: xhci: Shorten the TD skipping loop Mathias Nyman
2026-10-09 15:22 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 09/11] usb: xhci: Rework and improve the TD matching and skipping logic Mathias Nyman
2026-10-09 15:34 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 10/11] usb: xhci: Fix bounce buffer overflow Mathias Nyman
2026-10-09 15:28 ` sashiko-bot
2026-10-09 15:16 ` [PATCH v2 11/11] xhci: Prevent invalid vdev dereference during sideband unregister Mathias Nyman
2026-10-09 15:30 ` sashiko-bot
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