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Thu, 12 Nov 2020 15:18:28 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 25AB0C016F for ; Thu, 12 Nov 2020 15:18:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 1469D8716B for ; Thu, 12 Nov 2020 15:18:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tnnnu2rlT6sI for ; Thu, 12 Nov 2020 15:18:26 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 4837887160 for ; Thu, 12 Nov 2020 15:18:26 +0000 (UTC) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1605194304; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=agGytP2/PxrD6HdXqGAuy03iJZcEBb4+WEPn1OkpUoY=; b=3aM4IilkkU0xEOJEYSQd1hmEqdFkHn8jAsqqH43Gr2WYbPm4EWg8o6PnKPPYpWEUfg5em0 CrkMxX0rtOoTBHSqOiS2bIDUN2mfDYu9vQSuX8gdjJJXhGx06iMc2CXPjL9jCv9FjTifxt uVtlDKcPFT/T5uSztIULaMiZqJpldD7SxYssbR15JZcci/S9I16YmRTqpaUUFY5IRXgdd2 J3HzX4lP/qOz+GCof+DpjC8ykxuUYg19zcChLVnUKx78WjuuX1A4kqYlgh9T9lobWluOvs GCKNp4wn92XIbkfPX/+eE7Ps0D48mtngYiTtUac5467oBGdXU/fE78Wgq17bHg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1605194304; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=agGytP2/PxrD6HdXqGAuy03iJZcEBb4+WEPn1OkpUoY=; b=Lv2IqEdi1qkvj7YNIX4gttzR6NFKXNORHb79P1h95gfmxiqgR3L9Asy2Nvhxp41LIcpRna Q0sdEygGMl1vmBCw== To: Jason Gunthorpe , Ziyad Atiyyeh , Itay Aveksis , Moshe Shemesh Subject: Re: REGRESSION: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI In-Reply-To: <87mtzmmzk6.fsf@nanos.tec.linutronix.de> References: <20200826111628.794979401@linutronix.de> <20201112125531.GA873287@nvidia.com> <87mtzmmzk6.fsf@nanos.tec.linutronix.de> Date: Thu, 12 Nov 2020 16:18:23 +0100 Message-ID: <87k0uqmwn4.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Cc: linux-pci@vger.kernel.org, x86@kernel.org, LKML , iommu@lists.linux-foundation.org, Marc Zyngier , Bjorn Helgaas , David Woodhouse X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gVGh1LCBOb3YgMTIgMjAyMCBhdCAxNToxNSwgVGhvbWFzIEdsZWl4bmVyIHdyb3RlOgo+IE9u IFRodSwgTm92IDEyIDIwMjAgYXQgMDg6NTUsIEphc29uIEd1bnRob3JwZSB3cm90ZToKPj4gT24g V2VkLCBBdWcgMjYsIDIwMjAgYXQgMDE6MTY6MjhQTSArMDIwMCwgVGhvbWFzIEdsZWl4bmVyIHdy b3RlOgo+PiBUaGV5IHdlcmUgdW5hYmxlIHRvIGJpc2VjdCBmdXJ0aGVyIGludG8gdGhlIHNlcmll cyBiZWNhdXNlIHNvbWUgb2YgdGhlCj4+IGludGVyaW9yIGNvbW1pdHMgZG9uJ3QgYm9vdCA6KAo+ Pgo+PiBXaGVuIHdlIHRyeSB0byBsb2FkIHRoZSBtbHg1IGRyaXZlciBvbiBhIGJhcmUgbWV0YWwg VkYgaXQgZ2V0cyB0aGlzOgo+Pgo+PiBbVGh1IE9jdCAyMiAwODo1NDo1MSAyMDIwXSBETUFSOiBE UkhEOiBoYW5kbGluZyBmYXVsdCBzdGF0dXMgcmVnIDIKPj4gW1RodSBPY3QgMjIgMDg6NTQ6NTEg MjAyMF0gRE1BUjogW0lOVFItUkVNQVBdIFJlcXVlc3QgZGV2aWNlIFs0MjowMC4yXSBmYXVsdCBp bmRleCAxNjAwIFtmYXVsdCByZWFzb24gMzddIEJsb2NrZWQgYSBjb21wYXRpYmlsaXR5IGZvcm1h dCBpbnRlcnJ1cHQgcmVxdWVzdAo+PiBbVGh1IE9jdCAyMiAwODo1NTowNCAyMDIwXSBtbHg1X2Nv cmUgMDAwMDo0MjowMC4xIGV0aDQ6IExpbmsgZG93bgo+PiBbVGh1IE9jdCAyMiAwODo1NToxMSAy MDIwXSBtbHg1X2NvcmUgMDAwMDo0MjowMC4xIGV0aDQ6IExpbmsgdXAKPj4gW1RodSBPY3QgMjIg MDg6NTU6NTQgMjAyMF0gbWx4NV9jb3JlIDAwMDA6NDI6MDAuMjogbWx4NV9jbWRfZXFfcmVjb3Zl cjoyNjQ6KHBpZCAzMzkwKTogUmVjb3ZlcmVkIDEgRVFFcyBvbiBjbWRfZXEKPj4gW1RodSBPY3Qg MjIgMDg6NTU6NTQgMjAyMF0gbWx4NV9jb3JlIDAwMDA6NDI6MDAuMjogd2FpdF9mdW5jX2hhbmRs ZV9leGVjX3RpbWVvdXQ6MTA1MToocGlkIDMzOTApOiBjbWQwOiBDUkVBVEVfRVEoMMODwpczMDEp IHJlY292ZXJlZCBhZnRlciB0aW1lb3V0Cj4+IFtUaHUgT2N0IDIyIDA4OjU1OjU0IDIwMjBdIERN QVI6IERSSEQ6IGhhbmRsaW5nIGZhdWx0IHN0YXR1cyByZWcgMTAyCj4+IFtUaHUgT2N0IDIyIDA4 OjU1OjU0IDIwMjBdIERNQVI6IFtJTlRSLVJFTUFQXSBSZXF1ZXN0IGRldmljZSBbNDI6MDAuMl0g ZmF1bHQgaW5kZXggMTYwMCBbZmF1bHQgcmVhc29uIDM3XSBCbG9ja2VkIGEgY29tcGF0aWJpbGl0 eSBmb3JtYXQgaW50ZXJydXB0IHJlcXVlc3QKPj4KPj4gSWYgeW91IGhhdmUgYW55IGlkZWEgWml5 YWQgYW5kIEl0YXkgY2FuIHJ1biBhbnkgZGVidWdnaW5nIHlvdSBsaWtlLgo+Pgo+PiBJIHN1cHBv c2UgaXQgaXMgYmVjYXVzZSB0aGlzIHNlcmllcyBpcyBoYW5kaW5nIG91dCBjb21wYXRhYmlsaXR5 Cj4+IGFkZHIvZGF0YSBwYWlycyB3aGlsZSB0aGUgSU9NTVUgaXMgc2V0dXAgdG8gb25seSBhY2Nl cHQgcmVtYXAgb25lcwo+PiBmcm9tIFNSSU9WIFZGcz8KPgo+IFNvIHRoZSBpc3N1ZSBzZWVtcyB0 byBiZSB0aGF0IHRoZSBWRiBkZXZpY2UgaGFzIHRoZSBkZWZhdWx0IGlycSBkb21haW4KPiBhc3Np Z25lZCBhbmQgbm90IHRoZSByZW1hcHBpbmcgZG9tYWluLiBMZXQgbWUgc3RhcmUgaW50byB0aGUg Y29kZSB0byBzZWUKPiBob3cgdGhlc2UgVkYgZGV2aWNlcyBhcmUgc2V0IHVwIGFuZCByZWdpc3Rl cmVkIHdpdGggdGhlIElPTU1VL3JlbWFwCj4gdW5pdC4KCkZvdW5kIHRoZSByZWFzb24uIFdpbGwg Zml4IGl0IGFmdGVyIHdhbGtpbmcgdGhlIGRvZ3MuIEJyYWluIG5lZWRzIHNvbWUKZnJlc2ggYWly LgoKVGhhbmtzLAoKICAgICAgICB0Z2x4Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3Vu ZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0 aW5mby9pb21tdQ==