From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 738ED33094 for ; Fri, 24 Nov 2023 16:21:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XokgLs75" Received: by smtp.kernel.org (Postfix) with ESMTPS id CF923C433CC for ; Fri, 24 Nov 2023 16:21:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700842869; bh=jDMp6MW9nQhTv5x4GHz/EF1UYZWCFaErRXeqz6OBjqQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=XokgLs75Ns/ndOg1hy+uGXGLA8dRWNv/UAww9exQnAhvetS64zKJlrn71Y/xFcEhW iBA8xSb8uu+o2N/oOuC5ZNzRuVo2zTdMAU7nNzYayTkGqrSgDc6Nptqt2wNGowVV7k LhW7A3fuoQxXzxjgIX8FrXEdZbQkM4WBgaGvloCgtlY5jT8kGfZpa1KLh92qt9TIcI 8oBCSMsy5K2340Ry2CHvGiyKfxXkoyQnH5b+3dYAXYbmlto+uDpCMe4gUDVq0AkKsQ Dk3Jt9seJ5AtrlHVfbQ7vpNIFRBnZM5o2KRWrvi+k+INZu8awmV/BQHVFvtKdm90iV 51xALyUL+wrug== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id BAD67C53BC6; Fri, 24 Nov 2023 16:21:09 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 215740] kernel warning: DMA-API: xhci_hcd: cacheline tracking EEXIST, overlapping mappings aren't supported Date: Fri, 24 Nov 2023 16:21:09 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: stern@rowland.harvard.edu X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D215740 --- Comment #28 from Alan Stern (stern@rowland.harvard.edu) --- Yes, that one. The issue of "which mapping is the problematic one" is more or less irrelev= ant. The warning is issued when the second mapping is created. The order of the= two mappings doesn't matter, just the fact that they refer to the same cache li= ne. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=