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[99.254.121.117]) by smtp.gmail.com with ESMTPSA id ej6-20020ad45a46000000b00696b1050be8sm1276159qvb.133.2024.04.11.11.47.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 11:47:58 -0700 (PDT) Date: Thu, 11 Apr 2024 14:47:56 -0400 From: Peter Xu To: Paolo Bonzini Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Thomas Bogendoerfer , Nicholas Piggin , Anup Patel , Atish Patra , Sean Christopherson , Andrew Morton , David Hildenbrand , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Andrea Arcangeli Subject: Re: [PATCH 1/4] KVM: delete .change_pte MMU notifier callback Message-ID: References: <20240405115815.3226315-1-pbonzini@redhat.com> <20240405115815.3226315-2-pbonzini@redhat.com> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240411_114805_133504_9B0004F0 X-CRM114-Status: GOOD ( 25.51 ) 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 T24gVGh1LCBBcHIgMTEsIDIwMjQgYXQgMDY6NTU6NDRQTSArMDIwMCwgUGFvbG8gQm9uemluaSB3 cm90ZToKPiBPbiBNb24sIEFwciA4LCAyMDI0IGF0IDM6NTbigK9QTSBQZXRlciBYdSA8cGV0ZXJ4 QHJlZGhhdC5jb20+IHdyb3RlOgo+ID4gUGFvbG8sCj4gPgo+ID4gSSBtYXkgbWlzcyBhIGJ1bmNo IG9mIGRldGFpbHMgaGVyZSAoYXMgSSBzdGlsbCByZW1lbWJlciBzb21lIGNoYW5nZV9wdGUKPiA+ IHBhdGNoZXMgcHJldmlvdXNseSBvbiB0aGUgbGlzdC4uKSwgaG93ZXZlciBub3Qgc3VyZSB3aGV0 aGVyIHdlIGNvbnNpZGVyZWQKPiA+IGVuYWJsZSBpdD8gIEFza2VkIGJlY2F1c2UgSSByZW1lbWJl ciBBbmRyZWEgdXNlZCB0byBoYXZlIGEgY3VzdG9tIHRyZWUKPiA+IG1haW50YWluaW5nIHRoYXQg cGFydDoKPiA+Cj4gPiBodHRwczovL2dpdGh1Yi5jb20vYWFnaXQvYWEvY29tbWl0L2M3NjEwNzhk ZjdhNzdkMTNkZGZhZWViZTU2YTBmNGJjMTI4YjE5NjgKPiAKPiBUaGUgcGF0Y2ggZW5hYmxlcyBp dCBvbmx5IGZvciBLU00sIHNvIGl0IHdvdWxkIHN0aWxsIHJlcXVpcmUgYSBidW5jaAo+IG9mIGNs ZWFudXBzLCBmb3IgZXhhbXBsZSBJIGFsc28gd291bGQgc3RpbGwgdXNlIHNldF9wdGVfYXQoKSBp biBhbGwKPiB0aGUgcGxhY2VzIHRoYXQgYXJlIG5vdCBLU00uIFRoaXMgd291bGQgYXQgbGVhc3Qg Zml4IHRoZSBpc3N1ZSB3aXRoCj4gdGhlIHBvb3IgZG9jdW1lbnRhdGlvbiBvZiB3aGVyZSB0byB1 c2Ugc2V0X3B0ZV9hdF9ub3RpZnkoKSB2cwo+IHNldF9wdGVfYXQoKS4KPiAKPiBXaXRoIHJlZ2Fy ZCB0byB0aGUgaW1wbGVtZW50YXRpb24sIEkgbGlrZSB0aGUgaWRlYSBvZiBkaXNhYmxpbmcgdGhl Cj4gaW52YWxpZGF0aW9uIG9uIHRoZSBNTVUgbm90aWZpZXIgc2lkZSwgYnV0IEkgd291bGQgcmF0 aGVyIGhhdmUKPiBNTVVfTk9USUZJRVJfQ0hBTkdFX1BURSBhcyBhIHNlcGFyYXRlIGZpZWxkIGlu IHRoZSByYW5nZSBpbnN0ZWFkIG9mCj4gb3ZlcmxvYWRpbmcgdGhlIGV2ZW50IGZpZWxkLgo+IAo+ ID4gTWF5YmUgaXQgY2FuJ3QgYmUgZW5hYmxlZCBmb3Igc29tZSByZWFzb24gdGhhdCBJIG92ZXJs b29rZWQgaW4gdGhlIGN1cnJlbnQKPiA+IHRyZWUsIG9yIHdlIGp1c3QgZGVjaWRlZCB0byBub3Qg dG8/Cj4gCj4gSSBoYXZlIGp1c3QgbGVhcm50IGFib3V0IHRoZSBwYXRjaCwgbm9ib2R5IGhhZCBl dmVyIG1lbnRpb25lZCBpdCBldmVuCj4gdGhvdWdoIGl0J3MgYWxtb3N0IDIgeWVhcnMgb2xkLi4u IEl0J3MgYSBsb3Qgb2YgY29kZSB0aG91Z2ggYW5kIG5vIG9uZQo+IGhhcyBldmVyIHJlcG9ydGVk IGFuIGlzc3VlIGZvciBvdmVyIDEwIHllYXJzLCBzbyBJIHRoaW5rIGl0J3MgZWFzaWVzdAo+IHRv IGp1c3QgcmlwIHRoZSBjb2RlIG91dC4KClJpZ2h0LCBpdCB3YXMgcHJldHR5IG9sZCBhbmQgSSBo YXZlIG5vIGlkZWEgaWYgdGhhdCB3YXMgZGlzY3Vzc2VkIG9yCnB1Ymxpc2hlZCBiZWZvcmUuLiAg SXQgd291bGQgYmUgYmV0dGVyIHRvIGhhdmUgZGlzY3Vzc2VkIHRoaXMgZWFybGllci4KCkFzIGxv bmcgYXMgd2UgaGF2ZSBhIGRlY2lzaW9uIHdpdGggdGhhdCBiZWluZyBhd2FyZSBhbmQgaW4gbWlu ZCwgdGhlbiBpdApsb29rcyBmaW5lIHRvIG1lIHRvIHRha2UgZWl0aGVyIHdheSB0byBnbywgYW5k IEkgYWxzbyBhZ3JlZSBlaXRoZXIgd2F5IGlzCmJldHRlciB0aGFuIGtlZXAgdGhlIHN0YXR1cyBx dW8uCgpJIGFsc28gaGF2ZSBBbmRyZWEgY29waWVkIGFueXdheSB3aGVuIEkgcmVwbGllZCwgc28g SSBndWVzcyBoZSBzaG91bGQgYmUKYXdhcmUgb2YgdGhpcyBhbmQgaGUgY2FuIGNoaW0gaW4gYW55 dGltZS4KClRoYW5rcyEKCi0tIApQZXRlciBYdQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4 LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK