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 5E7C211184 for ; Mon, 20 May 2024 18:19:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716229184; cv=none; b=OFEHssWmNlCkYN8TKo3eUhbFTuJ5TKKI+6Xp+7tc+PUF/xUVVklEm6ffgt5pd8dTHB8avlKdBzSSdH8ZfMuVUDaGKpjb/k2k0tHZSOcszCBuvI2ZCR9GPD02AjsvJaIx8A5Yh/c08GI5AxDw1E/bJlO4nKXjbLseWUNfMJ5DBek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716229184; c=relaxed/simple; bh=xQJFulkVrnnn3woxhca4HK9mp0Pp2QS3h+r5fGcwg9k=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FSSRQknz/+yQQjxGbUw2YpiLSt4qLjCKNof0QqabnAOGqQZlDMauPMQTp8rCLOpwRmi9OKOo7StdnpWK0MOQjuGl9ujJRP1f+LMt6SQOoICYb78tw79a2BGI/SvX+rxajEvGhLP//StWYeR8PKgnhMiE2H8+h8u+nORrZvDt4ak= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=yJpXADkp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="yJpXADkp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 73182C2BD10; Mon, 20 May 2024 18:19:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716229183; bh=xQJFulkVrnnn3woxhca4HK9mp0Pp2QS3h+r5fGcwg9k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=yJpXADkpq9LVX3pXUHTb1Rpa3oZmkLif5oL5RpFoiwvpDtiG9IUg5/ZDGTc+XX9jq Kp+Sxu/Ko3fvfttMz4iCFMl1fTf9VxVpAvKpJW9cHtgZm/ArqB+dsNRk8JT2Er7eId 1QnYqSq2bWMqRR4gzfNeRU36kMHffFO0sUCMLAQM= Date: Mon, 20 May 2024 20:19:41 +0200 From: Greg KH To: Vidya Srinivas Cc: stable@vger.kernel.org Subject: Re: [PATCH] drm/i915/dpt: Make DPT object unshrinkable Message-ID: <2024052054-zebra-throat-0da6@gregkh> References: <20240520165005.1162448-1-vidya.srinivas@intel.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240520165005.1162448-1-vidya.srinivas@intel.com> On Mon, May 20, 2024 at 10:20:05PM +0530, Vidya Srinivas wrote: > In some scenarios, the DPT object gets shrunk but > the actual framebuffer did not and thus its still > there on the DPT's vm->bound_list. Then it tries to > rewrite the PTEs via a stale CPU mapping. This causes panic. > > Credits-to: Ville Syrjala > Shawn Lee Isn't that what "Co-developed-by:" is for, or "Suggested-by:"? I haven't seen "Credits-to:" before, where is that documented? thanks, greg k-h