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 9482D2EB08 for ; Fri, 24 Nov 2023 15:40:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kg0VqGI2" Received: by smtp.kernel.org (Postfix) with ESMTPS id 277D5C433CC for ; Fri, 24 Nov 2023 15:40:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700840430; bh=yD4Ytfre/meOtHMrc1WIxPlSwjN2h+sb3x8+GMe3pgg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=kg0VqGI2pnq3rjC180CwiSoWsGsvoxcntSChDpJ9+LAtak8FjVV8FM3Xl5mdA7g4l hfYC1vOXdrKXc4LWK/OoMVxhbTbrYm4W14rktrIOdV43mstmHsA1E4Z3Y4mQYfJScm +TGHFWrH60OBuzaprLU1VyXKO6NuoQaywN+YFkZ0th5ZDFazxwS4RXBqP9KguE/o2s Dwg08sZL+o6nBCSiLhnQMO8jRTENwAxVCfHVPzL+Qz2BP3OWoucv7jIT0zRhwVThaI lhL8MhwRvZqwlQRsVBiePhNd96JhYaWV8MsA6+eXgWinDW+StOX4bKdnp4sp3OhkBR sBUOwR9OZ3S9w== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 1596AC53BCD; Fri, 24 Nov 2023 15:40:30 +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 15:40:29 +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: andy.shevchenko@gmail.com 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 #25 from Andy Shevchenko (andy.shevchenko@gmail.com) --- I'm not sure I understand 'u8 (*buffer)[8]' in the data struct, sounds like= 8 pointers, so the side has to be 32/64 bytes. As for the next field, status, it's a pointer and again 4/8 bytes. I believe we are talking about x86_64 c= ase, so I fail to see how 1 and 4 map to the struct usb_hub fields. Is the len in your debug patches is in "long"s units? Then it makes sense if the status is mapped first (1 long) followed by 4 (out of 8) URB buffer pointers. --=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.=