From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 F06E34A24; Tue, 18 Oct 2022 11:02:49 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 1BE7E68C4E; Tue, 18 Oct 2022 13:02:44 +0200 (CEST) Date: Tue, 18 Oct 2022 13:02:43 +0200 From: Christoph Hellwig To: Jan Beulich Cc: Christoph Hellwig , Konrad Rzeszutek Wilk , Anshuman Khandual , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , regressions@lists.linux.dev, xen-devel@lists.xenproject.org, iommu@lists.linux.dev, Robert Beckett , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Matthew Auld , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Marek =?iso-8859-1?Q?Marczykowski-G=F3recki?= Subject: Re: i915 "GPU HANG", bisected to a2daa27c0c61 "swiotlb: simplify swiotlb_max_segment" Message-ID: <20221018110243.GA4655@lst.de> References: <20221018082413.GA25785@lst.de> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Oct 18, 2022 at 10:57:37AM +0200, Jan Beulich wrote: > Shouldn't this then be xen_pv_domain() that you use here, and - if you > really want IS_ENABLED() in addition - CONFIG_XEN_PV? I'll need help from people that understand Xen better than me what the exact conditions (and maybe also comments are).