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From: "Brendan Jackman" To: "Takahiro Itazuri" , , Cc: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v12 00/16] Direct Map Removal Support for guest_memfd References: <20260506080753.14517-1-itazur@amazon.com> In-Reply-To: <20260506080753.14517-1-itazur@amazon.com> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260626_082917_807901_E8B31046 X-CRM114-Status: GOOD ( 15.51 ) 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 T24gV2VkIE1heSA2LCAyMDI2IGF0IDg6MDcgQU0gVVRDLCBUYWthaGlybyBJdGF6dXJpIHdyb3Rl Ogo+IEhpIExvcmVuem8gYW5kIFNlYW4sCj4KPiBBcG9sb2dpZXMgZm9yIHRoZSBkZWxheWVkIHJl cGx5IOKAlCBOaWtpdGEgaXMgbGVhdmluZyBBbWF6b24sIGFuZCBJJ20KPiB0YWtpbmcgb3ZlciB0 aGlzIHNlcmllcyBnb2luZyBmb3J3YXJkLiBUaGFua3MgZm9yIHlvdXIgcGF0aWVuY2UuCj4KPiBP biBUdWUsIEFwciAyMSwgMjAyNiBhdCAwMTo0MDowMFBNICswMDAwLCBMb3JlbnpvIFN0b2FrZXMg d3JvdGU6Cj4+IEhtLCBnaXZlbiB0aGlzIHRvdWNoZXMgYSBmYWlyIGJpdCBvZiBtbSwgSSB3b25k ZXIgaWYgd2Ugc2hvdWxkbid0IHRyeSB0byBkbyB0aGlzCj4+IHRocm91Z2ggdGhlIG1tIHRyZWU/ Cj4KPiBPbiBUdWUsIEFwciAyMSwgMjAyNiBhdCAwNDozNjowMFBNICswMDAwLCBTZWFuIENocmlz dG9waGVyc29uIHdyb3RlOgo+PiBZZWFoLCB3aGVuIHRoZSB0aW1lIGNvbWVzLCB0aGUgbW0gcGll Y2VzIGRlZmluaXRlbHkgbmVlZCB0byBnbyB0aHJvdWdoIHRoZSBtbQo+PiB0cmVlLiAgSWRlYWxs eSwgSSB0aGluayB0aGlzIHdvdWxkIGJlIG1lcmdlZCBpbiB0d28gc2VwYXJhdGUgcGFydHMsIHdp dGggYWxsIG1tCj4+IGNoYW5nZXMgZ29pbmcgdGhyb3VnaCB0aGUgbW0gdHJlZSwgYW5kIHRoZW4g dGhlIEtWTSBjaGFuZ2VzIHRocm91Z2ggdGhlIEtWTSB0cmVlCj4+IHVzaW5nIGEgc3RhYmxlIHRv cGljIGJyYW5jaC90YWcgZnJvbSBBbmRyZXcuCj4KPiBUaGFua3MgZm9yIHRoZSBndWlkYW5jZS4g VGhlIHNwbGl0IG1ha2VzIHNlbnNlIHRvIG1lOyBJJ20gcGxhbm5pbmcgdG8KPiBmb2xsb3cgdGhp cyBhcHByb2FjaCB3aXRoIHBhdGNoZXMgMS02IChtbSkgZ29pbmcgdGhyb3VnaCB0aGUgbW0gdHJl ZQo+IGFuZCBwYXRjaGVzIDctMTYgKEtWTSkgdGhyb3VnaCB0aGUgS1ZNIHRyZWUgb24gdG9wIG9m IGEgc3RhYmxlCj4gYnJhbmNoL3RhZyBmcm9tIG1tLiBJJ2xsIGNvbmZpcm0gdGhlIGV4YWN0IGJv dW5kYXJ5IGFuZCBjb29yZGluYXRpb24KPiBkZXRhaWxzIGFzIEkgcHJlcGFyZSB0aGUgcmVwb3N0 Lgo+Cj4gT24gVHVlLCBBcHIgMjEsIDIwMjYgYXQgMDE6NDA6MDBQTSArMDAwMCwgTG9yZW56byBT dG9ha2VzIHdyb3RlOgo+PiBJbiBhbnkgY2FzZSwgd2UgZGVmaW5pdGVseSBuZWVkIGEgcmViYXNl IG9uIHNvbWV0aGluZyBub3QtbmV4dCA6KSBpZiBub3QgbW0gdGhlbgo+PiBMaW51cydzIHRyZWUg YXQgbGVhc3QgbWF5YmU/Cj4+Cj4+IEknbSBzZWVpbmcgYSBsb3Qgb2YgY29uZmxpY3RzIGFnYWlu c3QgbW0tdW5zdGFibGUsIGl0IGNhbid0IGI0IHNoYXphbSBldmVuIHBhdGNoCj4+IDEgYW5kIGlu IExpbnVzJ3MgdHJlZSBpdCdzIGZhaWxpbmcgYXQgYW4gbW0gcGF0Y2ggKG1tOiBpbnRyb2R1Y2UK Pj4gQVNfTk9fRElSRUNUX01BUCkuCj4KCkp1c3QgYXMgYW4gRllJLCBJIGFtIGdvbm5hIGxvb2sg YXQgdHJ5aW5nIHRvIG1vdmUgdGhpcyBmb3J3YXJkIGEgYml0CndoaWxlIFRha2FoaXJvIHJhbXBz IHVwIG9uIHRha2luZyBvdmVyIChJIHNwb2tlIHRvIGhpbSBhYm91dCB0aGlzIG9mZgpsaXN0KS4K Ck15IHVsdGVyaW9yIG1vdGl2ZSBpcyB0aGF0IHRoaXMgd291bGQgZ2l2ZSBtZSBhbiBleGN1c2Ug dG8gYWRkCkFMTE9DX1VOTUFQUEVEIChmb3JtZXJseSBfX0dGUF9VTk1BUFBFRCkgYW5kIHRoZSBt ZXJtYXAgWzBdIHdoaWNoCnVuYmxvY2tzIHZhcmlvdXMgc2VjdXJpdHkgbm9uc2Vuc2UgaW5jbHVk aW5nIEFTSSBbMV0uIChCdXQgYWxzbywgdGhpcwpmZWF0dXJlIGlzIGEgZ29vZCBpZGVhKS4KClsw XSBodHRwczovL2xvcmUua2VybmVsLm9yZy9hbGwvMjAyNjAzMjAtcGFnZV9hbGxvYy11bm1hcHBl ZC12Mi0wLTI4YmYxYmQ1NGY0MUBnb29nbGUuY29tLwpbMV0gaHR0cHM6Ly9saW51eGFzaS5kZXYK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJp c2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9s aXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK