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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.googlemail.com with ESMTPSA id k16sm260233edq.77.2021.12.09.10.34.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Dec 2021 10:34:49 -0800 (PST) Message-ID: <2617aea0-af09-5c0d-1fd7-65e2a814b516@redhat.com> Date: Thu, 9 Dec 2021 19:34:45 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH v5 00/12] KVM: x86/xen: Add in-kernel Xen event channel delivery Content-Language: en-US To: David Woodhouse , kvm Cc: Boris Ostrovsky , Joao Martins , "jmattson @ google . com" , "wanpengli @ tencent . com" , "seanjc @ google . com" , "vkuznets @ redhat . com" , "mtosatti @ redhat . com" , "joro @ 8bytes . org" , karahmed@amazon.com, Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Catalin Marinas , Will Deacon , Huacai Chen , Aleksandar Markovic , Michael Ellerman , Benjamin Herrenschmidt , Anup Patel , Christian Borntraeger , kvmarm@lists.cs.columbia.edu, linux-arm-kernel , linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-s390@vger.kernel.org, butt3rflyh4ck References: <20211121125451.9489-1-dwmw2@infradead.org> From: Paolo Bonzini In-Reply-To: <20211121125451.9489-1-dwmw2@infradead.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211209_103451_774492_F1D00BDA X-CRM114-Status: GOOD ( 21.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMTEvMjEvMjEgMTM6NTQsIERhdmlkIFdvb2Rob3VzZSB3cm90ZToKPiBJbnRyb2R1Y2UgdGhl IGJhc2ljIGNvbmNlcHQgb2YgMiBsZXZlbCBldmVudCBjaGFubmVscyBmb3Iga2VybmVsIGRlbGl2 ZXJ5LAo+IHdoaWNoIGlzIGp1c3QgYSBzaW1wbGUgbWF0dGVyIG9mIGEgZmV3IHRlc3RfYW5kX3Nl dF9iaXQgY2FsbHMgb24gYSBtYXBwZWQKPiBzaGFyZWQgaW5mbyBwYWdlLgo+IAo+IFRoaXMgY2Fu IGJlIHVzZWQgZm9yIHJvdXRpbmcgTVNJIG9mIHBhc3N0aHJvdWdoIGRldmljZXMgdG8gUElSUSBl dmVudAo+IGNoYW5uZWxzIGluIGEgWGVuIGd1ZXN0LCBhbmQgd2UgY2FuIGJ1aWxkIG9uIGl0IGZv ciBkZWxpdmVyaW5nIElQSXMgYW5kCj4gdGltZXJzIGRpcmVjdGx5IGZyb20gdGhlIGtlcm5lbCB0 b28uCj4gCj4gdjE6IFVzZSBrdm1fbWFwX2dmbigpIGFsdGhvdWdoIEkgZGlkbid0IHF1aXRlIHNl ZSBob3cgaXQgd29ya3MuCj4gCj4gdjI6IEF2b2lkIGt2bV9tYXBfZ2ZuKCkgYW5kIGltcGxlbWVu dCBhIHNhZmUgbWFwcGluZyB3aXRoIGludmFsaWRhdGlvbgo+ICAgICAgc3VwcG9ydCBmb3IgbXlz ZWxmLgo+IAo+IHYzOiBSZWludmVudCBnZm5fdG9fcGZuX2NhY2hlIHdpdGggc2FuZSBpbnZhbGlk YXRpb24gc2VtYW50aWNzLCBmb3IgbXkKPiAgICAgIHVzZSBjYXNlIGFzIHdlbGwgYXMgbmVzdGlu Zy4KPiAKPiB2NDogUmV3b3JrIGRpcnR5IGhhbmRsaW5nLCBhcyBpdCBiZWNhbWUgYXBwYXJlbnRs eSB0aGF0IHdlIG5lZWQgYW4gYWN0aXZlCj4gICAgICB2Q1BVIGNvbnRleHQgdG8gbWFyayBwYWdl cyBkaXJ0eSBzbyBpdCBjYW4ndCBiZSBkb25lIGZyb20gdGhlIE1NVQo+ICAgICAgbm90aWZpZXIg ZHVpbmcgdGhlIGludmFsaWRhdGlvbjsgaXQgaGFzIHRvIGhhcHBlbiBvbiB1bm1hcC4KPiAKPiB2 NTogRml4IHNwYXJzZSB3YXJuaW5ncyByZXBvcnRlZCBieSBrZXJuZWwgdGVzdCByb2JvdDxsa3BA aW50ZWwuY29tPi4KPiAKPiAgICAgIEZpeCByZXZhbGlkYXRpb24gd2hlbiBtZW1zbG90cyBjaGFu Z2UgYnV0IHRoZSByZXN1bHRpbmcgSFZBIHN0YXlzCj4gICAgICB0aGUgc2FtZS4gV2UgY2FuIHVz ZSB0aGUgc2FtZSBrZXJuZWwgbWFwcGluZyBpbiB0aGF0IGNhc2UsIGlmIHRoZQo+ICAgICAgSFZB IOKGkiBQRk4gdHJhbnNsYXRpb24gd2FzIHZhbGlkIGJlZm9yZS4gU28gdGhhdCBwcm9iYWJseSBt ZWFucyB3ZQo+ICAgICAgc2hvdWxkbid0IHVubWFwIHRoZSAib2xkX2h2YSIuIEF1Z21lbnQgdGhl IHRlc3QgY2FzZSB0byBleGVyY2lzZQo+ICAgICAgdGhhdCBvbmUgdG9vLgo+IAo+ICAgICAgSW5j bHVkZSB0aGUgZml4IGZvciB0aGUgZGlydHkgcmluZyB2cy4gWGVuIHNoaW5mbyBvb3BzIHJlcG9y dGVkCj4gICAgICBieSBidXR0M3JmbHloNGNrPGJ1dHRlcmZseWh1YW5neHhAZ21haWwuY29tPi4K PiAKPiAKPiBBcyBpbiB0aGUgcHJldmlvdXMgdHdvIHJvdW5kcywgdGhlIGxhc3QgcGF0Y2ggKHRo aXMgdGltZSBwYXRjaCAxMikgaXMKPiBpbmNsdWRlZCBhcyBpbGx1c3RyYXRpb24gb2YgaG93IHdl Km1pZ2h0KiAgdXNlIHRoaXMgZm9yIGZpeGluZyB0aGUgVUFGCj4gYnVncyBpbiBuZXN0aW5nLCBi dXQgaXNuJ3QgaW50ZW5kZWQgdG8gYmUgYXBwbGllZCBhcy1pcy4gUGF0Y2hlcyAxLTExIGFyZS4K ClF1ZXVlZCAxLTcsIHdpbGwgYmUgb24ga3ZtL25leHQgdG9tb3Jyb3cgdGhvdWdoLgoKUGFvbG8K Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFy bS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9y ZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1r ZXJuZWwK