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Mon, 14 Aug 2023 17:52:31 -0700 (PDT) Date: Mon, 14 Aug 2023 17:52:30 -0700 In-Reply-To: Mime-Version: 1.0 References: <20230811045127.3308641-1-rananta@google.com> Message-ID: Subject: Re: [PATCH v9 00/14] KVM: arm64: Add support for FEAT_TLBIRANGE From: Sean Christopherson To: Raghavendra Rao Ananta Cc: Oliver Upton , Marc Zyngier , James Morse , Suzuki K Poulose , Paolo Bonzini , Huacai Chen , Zenghui Yu , Anup Patel , Atish Patra , Jing Zhang , Reiji Watanabe , Colton Lewis , David Matlack , Fuad Tabba , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230814_175234_292380_C9987F0A X-CRM114-Status: GOOD ( 27.58 ) 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uLCBBdWcgMTQsIDIwMjMsIFJhZ2hhdmVuZHJhIFJhbyBBbmFudGEgd3JvdGU6Cj4gT24g TW9uLCBBdWcgMTQsIDIwMjMgYXQgNDoxNuKAr1BNIFNlYW4gQ2hyaXN0b3BoZXJzb24gPHNlYW5q Y0Bnb29nbGUuY29tPiB3cm90ZToKPiA+Cj4gPiBPbiBGcmksIEF1ZyAxMSwgMjAyMywgUmFnaGF2 ZW5kcmEgUmFvIEFuYW50YSB3cm90ZToKPiA+ID4gVGhlIHNlcmllcyBpcyBiYXNlZCBvZmYgb2Yg dXBzdHJlYW0gdjYuNS1yYzEuCj4gPgo+ID4gTGllcyEgIDotKQo+ID4KPiA+IFRoaXMgaXMgYmFz ZWQgb2ZmIG9uZSBvZiB0aGUga3ZtYXJtLmdpdCB0b3BpYyBicmFuY2hlcyAoSSBkaWRuJ3QgYm90 aGVyIHRvIGZpZ3VyZQo+ID4gb3V0IHdoaWNoIG9uZSksIG5vdCB2Ni41LXJjMS4KPiA+Cj4gU29y cnksIHdoYXQgYW0gSSBtaXNzaW5nIGhlcmU/IE15IGdpdCBsb2cgaXMgYXMgZm9sbG93czoKCkht bSwgbm90IHN1cmUgd2hhdCdzIGdvaW5nIG9uLiAgTWF5YmUgSSBtaXNpbnRlcnByZXRlZCB3aHkg YGdpdCBhbWAgd2FzIGZhaWxpbmc/CkkgYXNzdW1lZCBpdCB3YXMgYmVjYXVzZSB0aGVyZSB3ZXJl IG9iamVjdHMgaW4ga3ZtYXJtIHRoYXQgSSBkaWRuJ3QgaGF2ZSBsb2NhbGx5LAphbmQgZmV0Y2hp bmcga3ZtYXJtIGFsbG93ZWQgYW0gdG8gY29tcGxldGUsIHRob3VnaCB3aXRoIDMtd2F5IG1lcmdl cywgd2hpY2ggSUlVQwpzaG91bGRuJ3QgaGF2ZSBiZWVuIG5lY2Vzc2FyeSBpZiBJIHdhcyB1c2lu ZyB0aGUgZXhhY3Qgc2FtZSBiYXNlLiAgT3IgbWF5YmUgSQptZXNzZWQgdXAgYW5kIGRpZG4ndCBh Y3R1YWxseSByZXNldCB0byA2LjUtcmMxLgoKPiAkIGdpdCBsb2cgLS1vbmVsaW5lIHVwc3RyZWFt X3RsYmlfcmFuZ2VfdjkKPiA1MDI1ODU3NTA3YWJlICh1cHN0cmVhbV90bGJpX3JhbmdlX3Y5KSBL Vk06IGFybTY0OiBVc2UgVExCSQo+IHJhbmdlLWJhc2VkIGluc3RydWN0aW9ucyBmb3IgdW5tYXAK PiA1YzAyOTFiOTlhOGZjIEtWTTogYXJtNjQ6IEludmFsaWRhdGUgdGhlIHRhYmxlIGVudHJpZXMg dXBvbiBhIHJhbmdlCj4gOGM0NmI1NGQ0YWFlYyBLVk06IGFybTY0OiBGbHVzaCBvbmx5IHRoZSBt ZW1zbG90IGFmdGVyIHdyaXRlLXByb3RlY3QKPiAyMzFhYmFlYjdmZmMyIEtWTTogYXJtNjQ6IElt cGxlbWVudCBrdm1fYXJjaF9mbHVzaF9yZW1vdGVfdGxic19yYW5nZSgpCj4gNWVjMjkxYjg2MzMw OSBLVk06IGFybTY0OiBEZWZpbmUga3ZtX3RsYl9mbHVzaF92bWlkX3JhbmdlKCkKPiA1YmNkN2Ew ODVjMzRlIEtWTTogYXJtNjQ6IEltcGxlbWVudCAgX19rdm1fdGxiX2ZsdXNoX3ZtaWRfcmFuZ2Uo KQo+IGVhMDhmOWRmZjdlNWIgYXJtNjQ6IHRsYjogSW1wbGVtZW50IF9fZmx1c2hfczJfdGxiX3Jh bmdlX29wKCkKPiBiMzE3ODY4Nzk0N2M5IGFybTY0OiB0bGI6IFJlZmFjdG9yIHRoZSBjb3JlIGZs dXNoIGFsZ29yaXRobSBvZiBfX2ZsdXNoX3RsYl9yYW5nZQo+IGE0ODUwZmE5ODhlZWYgS1ZNOiBN b3ZlIGt2bV9hcmNoX2ZsdXNoX3JlbW90ZV90bGJzX21lbXNsb3QoKSB0byBjb21tb24gY29kZQo+ IDMwNmRjNGU2YWZkMzcgS1ZNOiBBbGxvdyByYW5nZS1iYXNlZCBUTEIgaW52YWxpZGF0aW9uIGZy b20gY29tbW9uIGNvZGUKPiBkMDI3ODVhMGExZTAxIEtWTTogUmVtb3ZlIENPTkZJR19IQVZFX0tW TV9BUkNIX1RMQl9GTFVTSF9BTEwKPiAxMzZmYTJkMjU0NTM3IEtWTTogYXJtNjQ6IFVzZSBrdm1f YXJjaF9mbHVzaF9yZW1vdGVfdGxicygpCj4gZTM1YzY4YTc1MTcwZCBLVk06IERlY2xhcmUga3Zt X2FyY2hfZmx1c2hfcmVtb3RlX3RsYnMoKSBnbG9iYWxseQo+IDVkNTkyNzc3YjliYmEgS1ZNOiBS ZW5hbWUga3ZtX2FyY2hfZmx1c2hfcmVtb3RlX3RsYigpIHRvCj4ga3ZtX2FyY2hfZmx1c2hfcmVt b3RlX3RsYnMoKQo+IDA2YzJhZmI4NjJmOWQgKHRhZzogdjYuNS1yYzEsIHRhZzogbGludXgvdjYu NS1yYzEpIExpbnV4IDYuNS1yYzEKPiBjMTkyYWM3MzU3NjgzIE1BSU5UQUlORVJTIDI6IEVsZWN0 cmljIEJvb2dhbG9vCj4gZjcxZjY0MjEwZDY5OCBNZXJnZSB0YWcgJ2RtYS1tYXBwaW5nLTYuNS0y MDIzLTA3LTA5JyBvZgo+IGdpdDovL2dpdC5pbmZyYWRlYWQub3JnL3VzZXJzL2hjaC9kbWEtbWFw cGluZwo+IC4uLgo+IAo+IElzbid0IHRoZSBjb21taXQsIDA2YzJhZmI4NjJmOWQgKDA2YzJhZmI4 NjJmOWQgKHRhZzogdjYuNS1yYzEsIHRhZzoKPiBsaW51eC92Ni41LXJjMSkgTGludXggNi41LXJj MSkgdGhlICdiYXNlJyBjb21taXQ/CgpZYSwgc2hvdWxkIGJlLgoKRWl0aGVyIHdheSwgZXZlbiBp ZiB0aGlzIGlzIFBFQktBQyBvbiBteSBlbmQsIHVzaW5nIC0tYmFzZSB3b3VsZCBiZSBuaWNlLCBl LmcuCnRoZW4geW91IGNhbiBkZWZpbml0ZWx5IHNheSBpdCdzIG15IGZhdWx0IDstKQoKPiA+IFBs ZWFzZSB0cnkgdG8gaW5jb3Jwb3JhdGUgZ2l0IGZvcm1hdC1wYXRjaCdzICItLWJhc2UiIG9wdGlv biBpbnRvIHlvdXIgd29ya2Zsb3csCj4gPiBlLmcuIEkgZG8gImdpdCBmb3JtYXQtcGF0Y2ggLS1i YXNlPUhFQUR+JG5yIiB3aGVyZSAkbnIgaXMgdGhlIG51bWJlciBvZiBwYXRjaGVzCj4gPiBJIGFt IHBvc3RpbmcuCj4gPgo+ID4gSXQncyBub3QgZm9vbHByb29mLCBlLmcuIG15IGFwcHJvYWNoIGRv ZXNuJ3QgaGVscCBpZiBJIGhhdmUgYSBsb2NhbCBwYXRjaCB0aGF0Cj4gPiBJJ20gbm90IHBvc3Rp bmcsIGJ1dCA5OSUgb2YgdGhlIHRpbWUgaXQgSnVzdCBXb3JrcyBhbmQgZWxpbWluYXRlcyBhbnkg YW1idWl0aXR5Lgo+ID4KPiA+IFlvdSBjYW4gYWxzbyBkbyAiLS1iYXNlPWF1dG8iLCBidXQgdGhh dCBvbmx5IGRvZXMgdGhlIHJpZ2h0IHRoaW5nIGlmIHlvdXIgc2VyaWVzCj4gPiBoYXMgaXRzIHVw c3RyZWFtIGJyYW5jaCBzZXQgdG8gdGhlIGJhc2UvdHJlZSB0aGF0IHlvdSB3YW50IHlvdXIgcGF0 Y2hlcyBhcHBsaWVkCj4gPiB0byAoSSB1c2UgdGhlIHVwc3RyZWFtIGJyYW5jaCBmb3IgYSBjb21w bGV0ZWx5IGRpZmZlcmVudCBwdXJwb3NlIGZvciBteSBkZXYgYnJhbmNoZXMpLgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBt YWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9s aXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=