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From: Oliver Upton To: Raghavendra Rao Ananta Cc: Marc Zyngier , James Morse , Suzuki K Poulose , Ricardo Koller , Paolo Bonzini , Jing Zhang , Colton Lewis , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH v3 7/7] KVM: arm64: Use TLBI range-based intructions for unmap Message-ID: References: <20230414172922.812640-1-rananta@google.com> <20230414172922.812640-8-rananta@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230516_114647_271188_A49FF555 X-CRM114-Status: GOOD ( 16.30 ) 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 T24gVHVlLCBNYXkgMTYsIDIwMjMgYXQgMTA6MjE6MzNBTSAtMDcwMCwgUmFnaGF2ZW5kcmEgUmFv IEFuYW50YSB3cm90ZToKPiBPbiBGcmksIE1heSAxMiwgMjAyMyBhdCAxMDowMuKAr0FNIE9saXZl ciBVcHRvbiA8b2xpdmVyLnVwdG9uQGxpbnV4LmRldj4gd3JvdGU6Cj4gPiA+ICBpbnQga3ZtX3Bn dGFibGVfc3RhZ2UyX3VubWFwKHN0cnVjdCBrdm1fcGd0YWJsZSAqcGd0LCB1NjQgYWRkciwgdTY0 IHNpemUpCj4gPiA+ICB7Cj4gPiA+ICsgICAgIGludCByZXQ7Cj4gPiA+ICsgICAgIHN0cnVjdCBz dGFnZTJfdW5tYXBfZGF0YSB1bm1hcF9kYXRhID0gewo+ID4gPiArICAgICAgICAgICAgIC5wZ3Qg PSBwZ3QsCj4gPiA+ICsgICAgICAgICAgICAgLyoKPiA+ID4gKyAgICAgICAgICAgICAgKiBJZiBG RUFUX1RMQklSQU5HRSBpcyBpbXBsZW1lbnRlZCwgZGVmZXIgdGhlIGluZGl2aWRpYWwgUFRFCj4g PiA+ICsgICAgICAgICAgICAgICogVExCIGludmFsaWRhdGlvbnMgdW50aWwgdGhlIGVudGlyZSB3 YWxrIGlzIGZpbmlzaGVkLCBhbmQKPiA+ID4gKyAgICAgICAgICAgICAgKiB0aGVuIHVzZSB0aGUg cmFuZ2UtYmFzZWQgVExCSSBpbnN0cnVjdGlvbnMgdG8gZG8gdGhlCj4gPiA+ICsgICAgICAgICAg ICAgICogaW52YWxpZGF0aW9ucy4gQ29uZGl0aW9uIHRoaXMgdXBvbiBTMkZXQiBpbiBvcmRlciB0 byBhdm9pZAo+ID4gPiArICAgICAgICAgICAgICAqIGEgcGFnZS10YWJsZSB3YWxrIGFnYWluIHRv IHBlcmZvcm0gdGhlIENNT3MgYWZ0ZXIgVExCSS4KPiA+ID4gKyAgICAgICAgICAgICAgKi8KPiA+ ID4gKyAgICAgICAgICAgICAuc2tpcF9wdGVfdGxiaXMgPSBzeXN0ZW1fc3VwcG9ydHNfdGxiX3Jh bmdlKCkgJiYKPiA+ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBzdGFn ZTJfaGFzX2Z3YihwZ3QpLAo+ID4KPiA+IFdoeSBjYW4ndCB0aGUgdW5kZXJseWluZyB3YWxrZXIg anVzdCBjYWxsIHRoZXNlIHR3byBoZWxwZXJzIGRpcmVjdGx5Pwo+ID4gVGhlcmUgYXJlIHN0YXRp YyBrZXlzIGJlaGluZCB0aGVzZS4uLgo+ID4KPiBJIHdhc24ndCBhd2FyZSBvZiB0aGF0LiBBbHRo b3VnaCwgSSB0cmllZCB0byBsb29rIGludG8gdGhlCj4gZGVmaW5pdGlvbnMsIGJ1dCBjb3VsZG4n dCB1bmRlcnN0YW5kIGhvdyBzdGF0aWMga2V5cyBhcmUgYXQgcGxheSBoZXJlLgo+IEJ5IGFueSBj aGFuY2UgYXJlIHlvdSByZWZlcnJpbmcgdG8gdGhlIGFsdGVybmF0aXZlX2hhc19mZWF0dXJlXyoo KQo+IGltcGxlbWVudGF0aW9ucyB3aGVuIGNoZWNraW5nIGZvciBjcHUgY2FwYWJpbGl0aWVzPwoK QWgsIHJpZ2h0LCB0aGVzZSB3ZXJlIHJlY2VudGx5IGNoYW5nZWQgdG8gcmVseSBvbiBhbHRlcm5h dGl2ZSBwYXRjaGluZwppbiBjb21taXQgMjFmYjI2YmZiMDFmICgiYXJtNjQ6IGFsdGVybmF0aXZl czogYWRkIGFsdGVybmF0aXZlX2hhc19mZWF0dXJlXyooKSIpLgpFdmVuIHN0aWxsLCB0aGUgc2ln bmlmaWNhbmNlIHJlbWFpbnMgYXMgdGhlIGFsdGVybmF0aXZlIHBhdGNoaW5nCmNvbXBsZXRlbHkg ZWxpbWluYXRlcyBhIGNvbmRpdGlvbmFsIGJyYW5jaCBvbiB0aGUgcHJlc2VuY2Ugb2YgYQpwYXJ0 aWN1bGFyIGZlYXR1cmUuCgpJbml0aWFsaXppbmcgYSBsb2NhbCB3aXRoIHRoZSBwcmVzZW5jZS9h YnNlbmNlIG9mIGEgZmVhdHVyZSBkZWZlYXRzIHN1Y2gKYW4gb3B0aW1pemF0aW9uLgoKLS0gClRo YW5rcywKT2xpdmVyCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1hcm0ta2VybmVsCg==