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Tue, 08 Aug 2023 08:07:45 -0700 (PDT) Date: Tue, 8 Aug 2023 08:07:43 -0700 In-Reply-To: Mime-Version: 1.0 References: <20230722022251.3446223-1-rananta@google.com> <20230722022251.3446223-3-rananta@google.com> <87tttpr6qy.wl-maz@kernel.org> <877cqdqw12.wl-maz@kernel.org> Message-ID: Subject: Re: [PATCH v7 02/12] KVM: arm64: Use kvm_arch_flush_remote_tlbs() From: Sean Christopherson To: Raghavendra Rao Ananta Cc: Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Paolo Bonzini , Huacai Chen , Zenghui Yu , Anup Patel , Atish Patra , Jing Zhang , Reiji Watanabe , Colton Lewis , David Matlack , 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-20230808_080754_472701_43CBB463 X-CRM114-Status: GOOD ( 14.77 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gRnJpLCBBdWcgMDQsIDIwMjMsIFJhZ2hhdmVuZHJhIFJhbyBBbmFudGEgd3JvdGU6Cj4gT24g V2VkLCBBdWcgMiwgMjAyMyBhdCA0OjI44oCvUE0gUmFnaGF2ZW5kcmEgUmFvIEFuYW50YQo+IDxy YW5hbnRhQGdvb2dsZS5jb20+IHdyb3RlOgo+ID4KPiA+IFN1cmUsIEknbGwgY2hhbmdlIGl0IHRv IGt2bV9hcmNoX2ZsdXNoX3ZtX3RsYnMoKSBpbiB2OC4KPiA+Cj4gV2hpbGUgd29ya2luZyBvbiB0 aGUgcmVuYW1pbmcsIEkgcmVhbGl6ZWQgdGhhdCBzaW5jZSB0aGlzIGZ1bmN0aW9uIGlzCj4gY2Fs bGVkIGZyb20ga3ZtX21haW4uYydzIGt2bV9mbHVzaF9yZW1vdGVfdGxicygpLiBEbyB3ZSB3YW50 IHRvIHJlbmFtZQo+IHRoaXMgYW5kIHRoZSBvdGhlciBrdm1fZmx1c2hfKigpIGZ1bmN0aW9ucyB0 aGF0IHRoZSBzZXJpZXMgaW50cm9kdWNlcwo+IHRvIG1hdGNoIHRoZWlyIGt2bV9hcmNoX2ZsdXNo XyooKSBjb3VudGVycGFydHM/CgpIbW0sIGlmIHdlJ3JlIGdvaW5nIHRvIHJlbmFtZSBvbmUgYXJj aCBob29rLCB0aGVuIHllcywgSSB0aGluayBpdCBtYWtlcyBzZW5zZSB0bwpyZW5hbWUgYWxsIHRo ZSBjb21tb24gQVBJcyBhbmQgYXJjaCBob29rcyB0byBtYXRjaC4KCkhvd2V2ZXIsIHg4NiBpcyBy aWZlIHdpdGggdGhlICJyZW1vdGVfdGxicyIgbm9tZW5jbGF0dXJlLCBhbmQgcmVuYW1pbmcgdGhl IGNvbW1vbgpBUElzIHdpbGwganVzdCBwdXNoIHRoZSBpbmNvbnNpc3RlbmNpZXMgaW50byB4ODYu ICBXaGlsZSBJIDEwMCUgYWdyZWUgdGhhdCB0aGUKY3VycmVudCBuYW1pbmcgaXMgZmxhd2VkLCBJ IGFtIG5vdCB3aWxsaW5nIHRvIGVuZCB1cCB3aXRoIHg4NiBiZWluZyBwYXJ0aWFsbHkKY29udmVy dGVkLgoKSSB0aGluayBJJ20gb2sgcmVuYW1pbmcgYWxsIG9mIHg4NidzIG1hbnkgaG9va3M/ICBC dXQgSSdkIGRlZmluaXRlbHkgd2FudCBpbnB1dApmcm9tIG1vcmUgeDg2IGZvbGtzLCBhbmQgdGhl IHNpemUgYW5kIHNjb3BlIG9mIHRoaXMgc2VyaWVzIHdvdWxkIGV4cGxvZGUuICBVbmxlc3MKTWFy YyBvYmplY3RzIGFuZC9vciBoYXMgYSBiZXR0ZXIgaWRlYSwgdGhlIGxlYXN0IGF3ZnVsIG9wdGlv biBpcyBwcm9iYWJseSB0byBpZ25vcmUKdGhlIHBvb3IgInJlbW90ZV90bGJzIiBuYW1pbmcgYW5k IHRhY2tsZSBpdCBpbiBhIHNlcGFyYXRlIHNlcmllcy4KClNvcnJ5IGZvciBub3Qgbm90aWNpaW5n IHRoaXMgZWFybGllciwgSSBkaWRuJ3QgcmVhbGl6ZSBqdXN0IGhvdyBtdWNoIHg4NiB1c2VzCnJl bW90ZV90bGJzLgoKPiAoc3BpcmFsaW5nIG1vcmUgaW50byB0aGlzLCB3ZSBhbHNvIGhhdmUgdGhl ICdyZW1vdGVfdGxiX2ZsdXNoX3JlcXVlc3RzJyBhbmQKPiAncmVtb3RlX3RsYl9mbHVzaCcgc3Rh dHMpCgpSZWdhcmRsZXNzIG9mIHdoYXQgd2UgZGVjaWRlIGZvciB0aGUgQVBJcywgZGVmaW5pdGVs eSBsZWF2ZSB0aGUgc3RhdHMgYWxvbmUuICBUaGUKbmFtZXMgYXJlIEFCSS4gIFdlIGNvdWxkIHBy ZXNlcnZlIHRoZSBuYW1lcyBhbmQgY2hhbmdlcyB0aGUgc3RydWN0IGZpZWxkcywgYnV0IHRoYXQK d291bGQgYmUgYSBuZXQgbmVnYXRpdmUgSU1PLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2 QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9s aXN0aW5mby9saW51eC1yaXNjdgo=