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d="scan'208";a="466609798" Received: from arossfer-mobl.amr.corp.intel.com (HELO [10.255.230.80]) ([10.255.230.80]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Aug 2020 10:34:14 -0700 Subject: Re: [PATCH v6 12/12] x86/traps: Fix up invalid PASID To: Andy Lutomirski References: <1594684087-61184-1-git-send-email-fenghua.yu@intel.com> <1594684087-61184-13-git-send-email-fenghua.yu@intel.com> <12fbdc01-e444-8d10-5790-e3495fc8a837@intel.com> From: Dave Hansen Autocrypt: addr=dave.hansen@intel.com; keydata= xsFNBE6HMP0BEADIMA3XYkQfF3dwHlj58Yjsc4E5y5G67cfbt8dvaUq2fx1lR0K9h1bOI6fC oAiUXvGAOxPDsB/P6UEOISPpLl5IuYsSwAeZGkdQ5g6m1xq7AlDJQZddhr/1DC/nMVa/2BoY 2UnKuZuSBu7lgOE193+7Uks3416N2hTkyKUSNkduyoZ9F5twiBhxPJwPtn/wnch6n5RsoXsb ygOEDxLEsSk/7eyFycjE+btUtAWZtx+HseyaGfqkZK0Z9bT1lsaHecmB203xShwCPT49Blxz VOab8668QpaEOdLGhtvrVYVK7x4skyT3nGWcgDCl5/Vp3TWA4K+IofwvXzX2ON/Mj7aQwf5W iC+3nWC7q0uxKwwsddJ0Nu+dpA/UORQWa1NiAftEoSpk5+nUUi0WE+5DRm0H+TXKBWMGNCFn c6+EKg5zQaa8KqymHcOrSXNPmzJuXvDQ8uj2J8XuzCZfK4uy1+YdIr0yyEMI7mdh4KX50LO1 pmowEqDh7dLShTOif/7UtQYrzYq9cPnjU2ZW4qd5Qz2joSGTG9eCXLz5PRe5SqHxv6ljk8mb ApNuY7bOXO/A7T2j5RwXIlcmssqIjBcxsRRoIbpCwWWGjkYjzYCjgsNFL6rt4OL11OUF37wL QcTl7fbCGv53KfKPdYD5hcbguLKi/aCccJK18ZwNjFhqr4MliQARAQABzShEYXZpZCBDaHJp c3RvcGhlciBIYW5zZW4gPGRhdmVAc3I3MS5uZXQ+wsF7BBMBAgAlAhsDBgsJCAcDAgYVCAIJ CgsEFgIDAQIeAQIXgAUCTo3k0QIZAQAKCRBoNZUwcMmSsMO2D/421Xg8pimb9mPzM5N7khT0 2MCnaGssU1T59YPE25kYdx2HntwdO0JA27Wn9xx5zYijOe6B21ufrvsyv42auCO85+oFJWfE K2R/IpLle09GDx5tcEmMAHX6KSxpHmGuJmUPibHVbfep2aCh9lKaDqQR07gXXWK5/yU1Dx0r VVFRaHTasp9fZ9AmY4K9/BSA3VkQ8v3OrxNty3OdsrmTTzO91YszpdbjjEFZK53zXy6tUD2d e1i0kBBS6NLAAsqEtneplz88T/v7MpLmpY30N9gQU3QyRC50jJ7LU9RazMjUQY1WohVsR56d ORqFxS8ChhyJs7BI34vQusYHDTp6PnZHUppb9WIzjeWlC7Jc8lSBDlEWodmqQQgp5+6AfhTD kDv1a+W5+ncq+Uo63WHRiCPuyt4di4/0zo28RVcjtzlGBZtmz2EIC3vUfmoZbO/Gn6EKbYAn rzz3iU/JWV8DwQ+sZSGu0HmvYMt6t5SmqWQo/hyHtA7uF5Wxtu1lCgolSQw4t49ZuOyOnQi5 f8R3nE7lpVCSF1TT+h8kMvFPv3VG7KunyjHr3sEptYxQs4VRxqeirSuyBv1TyxT+LdTm6j4a mulOWf+YtFRAgIYyyN5YOepDEBv4LUM8Tz98lZiNMlFyRMNrsLV6Pv6SxhrMxbT6TNVS5D+6 UorTLotDZKp5+M7BTQRUY85qARAAsgMW71BIXRgxjYNCYQ3Xs8k3TfAvQRbHccky50h99TUY sqdULbsb3KhmY29raw1bgmyM0a4DGS1YKN7qazCDsdQlxIJp9t2YYdBKXVRzPCCsfWe1dK/q 66UVhRPP8EGZ4CmFYuPTxqGY+dGRInxCeap/xzbKdvmPm01Iw3YFjAE4PQ4hTMr/H76KoDbD cq62U50oKC83ca/PRRh2QqEqACvIH4BR7jueAZSPEDnzwxvVgzyeuhwqHY05QRK/wsKuhq7s UuYtmN92Fasbxbw2tbVLZfoidklikvZAmotg0dwcFTjSRGEg0Gr3p/xBzJWNavFZZ95Rj7Et db0lCt0HDSY5q4GMR+SrFbH+jzUY/ZqfGdZCBqo0cdPPp58krVgtIGR+ja2Mkva6ah94/oQN lnCOw3udS+Eb/aRcM6detZr7XOngvxsWolBrhwTQFT9D2NH6ryAuvKd6yyAFt3/e7r+HHtkU kOy27D7IpjngqP+b4EumELI/NxPgIqT69PQmo9IZaI/oRaKorYnDaZrMXViqDrFdD37XELwQ gmLoSm2VfbOYY7fap/AhPOgOYOSqg3/Nxcapv71yoBzRRxOc4FxmZ65mn+q3rEM27yRztBW9 AnCKIc66T2i92HqXCw6AgoBJRjBkI3QnEkPgohQkZdAb8o9WGVKpfmZKbYBo4pEAEQEAAcLB XwQYAQIACQUCVGPOagIbDAAKCRBoNZUwcMmSsJeCEACCh7P/aaOLKWQxcnw47p4phIVR6pVL e4IEdR7Jf7ZL00s3vKSNT+nRqdl1ugJx9Ymsp8kXKMk9GSfmZpuMQB9c6io1qZc6nW/3TtvK pNGz7KPPtaDzvKA4S5tfrWPnDr7n15AU5vsIZvgMjU42gkbemkjJwP0B1RkifIK60yQqAAlT YZ14P0dIPdIPIlfEPiAWcg5BtLQU4Wg3cNQdpWrCJ1E3m/RIlXy/2Y3YOVVohfSy+4kvvYU3 lXUdPb04UPw4VWwjcVZPg7cgR7Izion61bGHqVqURgSALt2yvHl7cr68NYoFkzbNsGsye9ft M9ozM23JSgMkRylPSXTeh5JIK9pz2+etco3AfLCKtaRVysjvpysukmWMTrx8QnI5Nn5MOlJj 1Ov4/50JY9pXzgIDVSrgy6LYSMc4vKZ3QfCY7ipLRORyalFDF3j5AGCMRENJjHPD6O7bl3Xo 4DzMID+8eucbXxKiNEbs21IqBZbbKdY1GkcEGTE7AnkA3Y6YB7I/j9mQ3hCgm5muJuhM/2Fr OPsw5tV/LmQ5GXH0JQ/TZXWygyRFyyI2FqNTx4WHqUn3yFj8rwTAU1tluRUYyeLy0ayUlKBH ybj0N71vWO936MqP6haFERzuPAIpxj2ezwu0xb1GjTk4ynna6h5GjnKgdfOWoRtoWndMZxbA z5cecg== Message-ID: <92a14516-1f63-5b5f-7f30-8870fe343c8e@intel.com> Date: Mon, 3 Aug 2020 10:34:13 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Cc: Ravi V Shankar , Peter Zijlstra , H Peter Anvin , Jean-Philippe Brucker , Dave Jiang , Ashok Raj , x86 , amd-gfx , Christoph Hellwig , Ingo Molnar , Fenghua Yu , Borislav Petkov , Thomas Gleixner , Tony Luck , Felix Kuehling , linux-kernel , iommu , Jacob Jun Pan , 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" T24gOC8zLzIwIDEwOjE2IEFNLCBBbmR5IEx1dG9taXJza2kgd3JvdGU6Cj4gLSBUSUxFOiBnZW51 aW5lbHkgcGVyLXRocmVhZCwgYnV0IGl0J3MgZXhwZW5zaXZlIHNvIGl0J3MKPiBsYXp5LWxvYWRh YmxlLiAgQnV0IHRoZSBsYXp5LWxvYWQgbWVjaGFuaXNtIHJldXNlcyAjTk0sIGFuZCBpdCdzIG5v dAo+IGZ1bGx5IGRpc2FtYmlndWF0ZWQgZnJvbSB0aGUgb3RoZXIgdXNlIG9mICNOTS4gIFNvIGl0 IHNvcnQgb2Ygd29ya3MsCj4gYnV0IGl0J3MgZ3Jvc3MuCgpGb3IgdGhvc2UgcGxheWluZyBhbG9u ZyBhdCBob21lLCB0aGVyZSdzIGEgbmV3IHdoaXRlcGFwZXIgb3V0IGZyb20gSW50ZWwKYWJvdXQg c29tZSBuZXcgQ1BVIGZlYXR1cmVzIHdoaWNoIGFyZSBnb2luZyB0byBiZSBmdW46Cgo+IGh0dHBz Oi8vc29mdHdhcmUuaW50ZWwuY29tL2NvbnRlbnQvZGFtL2RldmVsb3AvcHVibGljL3VzL2VuL2Rv Y3VtZW50cy9hcmNoaXRlY3R1cmUtaW5zdHJ1Y3Rpb24tc2V0LWV4dGVuc2lvbnMtcHJvZ3JhbW1p bmctcmVmZXJlbmNlLnBkZgoKV2hpY2ggcGFydCB3ZXJlIHlvdSB3b3JyaWVkIGFib3V0PyAgSSB0 aG91Z2h0IGl0IHdhcyBmdWxseSBkaXNhbWJ1Z3VhdGVkCmZyb20gdGhpczoKCj4gV2hlbiBYRkQg Y2F1c2VzIGFuIGluc3RydWN0aW9uIHRvIGdlbmVyYXRlICNOTSwgdGhlIHByb2Nlc3NvciBsb2Fk cwo+IHRoZSBJQTMyX1hGRF9FUlIgTVNSIHRvIGlkZW50aWZ5IHRoZSBkaXNhYmxlZCBzdGF0ZSBj b21wb25lbnQocykuCj4gU3BlY2lmaWNhbGx5LCB0aGUgTVNSIGlzIGxvYWRlZCB3aXRoIHRoZSBs b2dpY2FsIEFORCBvZiB0aGUgSUEzMl9YRkQKPiBNU1IgYW5kIHRoZSBiaXRtYXAgY29ycmVzcG9u ZGluZyB0byB0aGUgc3RhdGUgY29tcG9uZW50cyByZXF1aXJlZCBieQo+IHRoZSBmYXVsdGluZyBp bnN0cnVjdGlvbi4KPiAKPiBEZXZpY2Utbm90LWF2YWlsYWJsZSBleGNlcHRpb25zIHRoYXQgYXJl IG5vdCBkdWUgdG8gWEZEIOKAlCB0aG9zZSAKPiByZXN1bHRpbmcgZnJvbSBzZXR0aW5nIENSMC5U UyB0byAxIOKAlCBkbyBub3QgbW9kaWZ5IHRoZSBJQTMyX1hGRF9FUlIKPiBNU1IuCgpTbyBpZiB5 b3UgYWx3YXlzIG1ha2Ugc3VyZSB0byAqY2xlYXIqIElBMzJfWEZEX0VSUiBhZnRlciBoYW5kaW5n IGFuZCBYRkQKZXhjZXB0aW9uLCBhbnkgI05NJ3Mgd2l0aCBhIGNsZWFyIElBMzJfWEZEX0VSUiBh cmUgZnJvbSAibGVnYWN5IgpDUjAuVFM9MS4gIEFueSBiaXRzIHNldCBpbiBJQTMyX1hGRF9FUlIg bWVhbiBhIG5ldy1zdHlsZSBYRkQgZXhjZXB0aW9uLgoKQW0gSSBtaXNzaW5nIHNvbWV0aGluZz8K X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFp bGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMu bGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11