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[84.229.250.192]) by smtp.gmail.com with ESMTPSA id n6-20020a7bcbc6000000b003f7e4d143cfsm7832711wmi.15.2023.06.22.06.57.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 06:57:42 -0700 (PDT) Message-ID: Subject: Re: [PATCH v2 2/2] mm/mmu_gather: send tlb_remove_table_smp_sync IPI only to MM CPUs From: ypodemsk@redhat.com To: Nadav Amit Cc: mtosatti@redhat.com, ppandit@redhat.com, David Hildenbrand , "Russell King (Oracle)" , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Heiko Carstens , gor@linux.ibm.com, agordeev@linux.ibm.com, Christian Borntraeger , svens@linux.ibm.com, "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Kees Cook , "Paul E. McKenney" , frederic@kernel.org, Will Deacon , Peter Zijlstra , ardb@kernel.org, samitolvanen@google.com, juerg.haefliger@canonical.com, Arnd Bergmann , rmk+kernel@armlinux.org.uk, geert+renesas@glider.be, linus.walleij@linaro.org, Andrew Morton , sebastian.reichel@collabora.com, Mike Rapoport , aneesh.kumar@linux.ibm.com, the arch/x86 maintainers , linux-arm-kernel@lists.infradead.org, linuxppc-dev , linux-s390 , sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm , linux-kernel@vger.kernel.org Date: Thu, 22 Jun 2023 16:57:39 +0300 In-Reply-To: <10050BB1-15A4-4E84-B900-B21500B2079B@gmail.com> References: <20230620144618.125703-1-ypodemsk@redhat.com> <20230620144618.125703-3-ypodemsk@redhat.com> <10050BB1-15A4-4E84-B900-B21500B2079B@gmail.com> X-Mailer: Evolution 3.28.5 (3.28.5-22.el8) Mime-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230622_065749_415938_80975319 X-CRM114-Status: GOOD ( 19.13 ) 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 T24gV2VkLCAyMDIzLTA2LTIxIGF0IDExOjAyIC0wNzAwLCBOYWRhdiBBbWl0IHdyb3RlOgo+ID4g T24gSnVuIDIwLCAyMDIzLCBhdCA3OjQ2IEFNLCBZYWlyIFBvZGVtc2t5IDx5cG9kZW1za0ByZWRo YXQuY29tPgo+ID4gd3JvdGU6Cj4gPiAKPiA+IEBAIC0xNTI1LDcgKzE1MjUsNyBAQCBzdGF0aWMg dm9pZCBjb2xsYXBzZV9hbmRfZnJlZV9wbWQoc3RydWN0Cj4gPiBtbV9zdHJ1Y3QgKm1tLCBzdHJ1 Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnYKPiA+IAkJCQlhZGRyICsgSFBBR0VfUE1EX1NJWkUpOwo+ID4g CW1tdV9ub3RpZmllcl9pbnZhbGlkYXRlX3JhbmdlX3N0YXJ0KCZyYW5nZSk7Cj4gPiAJcG1kID0g cG1kcF9jb2xsYXBzZV9mbHVzaCh2bWEsIGFkZHIsIHBtZHApOwo+ID4gLQl0bGJfcmVtb3ZlX3Rh YmxlX3N5bmNfb25lKCk7Cj4gPiArCXRsYl9yZW1vdmVfdGFibGVfc3luY19vbmUobW0pOwo+IAo+ IENhbuKAmXQgcG1kcF9jb2xsYXBzZV9mbHVzaCgpIGhhdmUgb25lIGFkZGl0aW9uYWwgYXJndW1l bnQKPiDigJxmcmVlZF90YWJsZXPigJ0KPiB0aGF0IGl0IHdvdWxkIHByb3BhZ2F0ZSwgZm9yIGlu c3RhbmNlIG9uIHg4NiB0byBmbHVzaF90bGJfbW1fcmFuZ2UoKQo+ID8KPiBUaGVuIHlvdSB3b3Vs ZCBub3QgbmVlZCB0bGJfcmVtb3ZlX3RhYmxlX3N5bmNfb25lKCkgdG8gaXNzdWUgYW4KPiBhZGRp dGlvbmFsCj4gSVBJLCBubz8KPiAKPiBJdCBqdXN0IHNlZW1zIHRoYXQgeW91IG1pZ2h0IHN0aWxs IGhhdmUgMiBJUElzIGluIG1hbnkgY2FzZXMgaW5zdGVhZAo+IG9mCj4gb25lLCBhbmQgdW5sZXNz IEkgYW0gbWlzc2luZyBzb21ldGhpbmcsIEkgZG9u4oCZdCBzZWUgd2h5Lgo+IApIaSBOYWRhdiwK VGhhbmtzIGZvciB5b3VyIGNvbW1lbnQuCkkgdGhpbmsgeW91IGFyZSByaWdodCBhbmQgaW4gc29t ZSBjb25maWd1cmF0aW9ucyAyIElQSXMgbWlnaHQgb2NjdXIuCkhvd2V2ZXIgSSBhIGFtIG5vdCBy ZWFsbHkgZGVhbGluZyB3aXRoIHRoZSB0aHAgY29kZSBhdCB0aGUgbW9tZW50LApUaGlzIHBhdGNo IGlzIGFib3V0IHRoZSBtbXVfZ2F0aGVyZXIgYW5kIG1vc3RseSBkZWFsaW5nIHdpdGggSVBJcyBz ZW50CnZpYSB0aGUgb3RoZXIgY29kZSBwYXRoLgpUaGFua3MsCllhaXIKCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxp bmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3Rz LmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==