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Peter Anvin" CC: Matthew Wilcox , Kent Overstreet , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "akpm@linux-foundation.org" , "x86@kernel.org" , "bp@alien8.de" , "brauner@kernel.org" , "bristot@redhat.com" , "bsegall@google.com" , "dave.hansen@linux.intel.com" , "dianders@chromium.org" , "dietmar.eggemann@arm.com" , "eric.devolder@oracle.com" , "hca@linux.ibm.com" , "hch@infradead.org" , "jacob.jun.pan@linux.intel.com" , "jgg@ziepe.ca" , "jpoimboe@kernel.org" , "jroedel@suse.de" , "juri.lelli@redhat.com" , "kinseyho@google.com" , "kirill.shutemov@linux.intel.com" , "lstoakes@gmail.com" , "luto@kernel.org" , "mgorman@suse.de" , "mic@digikod.net" , "michael.christie@oracle.com" , "mingo@redhat.com" , "mjguzik@gmail.com" , "mst@redhat.com" , "npiggin@gmail.com" , "peterz@infradead.org" , "pmladek@suse.com" , "rick.p.edgecombe@intel.com" , "rostedt@goodmis.org" , "surenb@google.com" , "tglx@linutronix.de" , "urezki@gmail.com" , "vincent.guittot@linaro.org" , "vschneid@redhat.com" Subject: RE: [RFC 00/14] Dynamic Kernel Stacks Thread-Topic: [RFC 00/14] Dynamic Kernel Stacks Thread-Index: AQHad9a+Y5/0t6VtDk+hhnG+kSJKOLE9nqig Date: Mon, 18 Mar 2024 15:38:36 +0000 Message-ID: <74c82d8a6b5f490784cc8f16fa7d2c12@AcuMS.aculab.com> References: <20240311164638.2015063-1-pasha.tatashin@soleen.com> <2cb8f02d-f21e-45d2-afe2-d1c6225240f3@zytor.com> <2qp4uegb4kqkryihqyo6v3fzoc2nysuhltc535kxnh6ozpo5ni@isilzw7nth42> <39F17EC4-7844-4111-BF7D-FFC97B05D9FA@zytor.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Li4uDQo+IC0gZXhpdF90b191c2VyX21vZGUoKTogVW5tYXAgdGhlIGV4dHJhIHRocmVlIHBhZ2Vz IGFuZCByZXR1cm4gdGhlbSB0bw0KPiB0aGUgcGVyLUNQVSBjYWNoZS4gVGhpcyBmdW5jdGlvbiBp cyBjYWxsZWQgbGF0ZSBpbiB0aGUga2VybmVsIGV4aXQNCj4gcGF0aC4NCg0KV2h5IGJvdGhlcj8N ClRoZSBudW1iZXIgb2YgdGFza3MgcnVubmluZyBpbiB1c2VyX21vZGUgaXMgbGltaXRlZCB0byB0 aGUgbnVtYmVyDQpvZiBjcHUuIFNvIHRoZSBtb3N0IHlvdSBzYXZlIGlzIGEgZmV3IHBhZ2VzIHBl ciBjcHUuDQoNClBsYXVzaWJseSBhIGNvbnRleHQgc3dpdGNoIGZyb20gYW4gaW50ZXJydXB0IChl ZyB0aW1lciB0aWNrKQ0KY291bGQgc3VzcGVuZCBhIHRhc2sgd2l0aG91dCBzYXZpbmcgYW55dGhp bmcgb24gaXRzIGtlcm5lbCBzdGFjay4NCkJ1dCBob3cgY29tbW9uIGlzIHRoYXQgaW4gcmVhbGl0 eT8NCkluIGEgd2VsbCBiZWhhdmVkIHN5c3RlbSBtb3N0IHVzZXIgdGhyZWFkcyB3aWxsIGJlIHNs ZWVwaW5nIG9uDQpzb21lIGV2ZW50IC0gc28gd2l0aCBhbiBhY3RpdmUga2VybmVsIHN0YWNrLg0K DQpJIGNhbiBhbHNvIGltYWdpbmUgdGhhdCBzb21ldGhpbmcgbGlrZSBzeXNfZXBvbGwoKSBhY3R1 YWxseQ0Kc2xlZXBzIHdpdGggbm90ICh0aGF0IG11Y2gpIHN0YWNrIGFsbG9jYXRlZC4NCkJ1dCB0 aGUgY2FsbHMgaW50byBhbGwgdGhlIGRyaXZlcnMgdG8gY2hlY2sgdGhlIHN0YXR1cw0KY291bGQg ZWFzaWx5IGdvIGludG8gYW5vdGhlciBwYWdlLg0KWW91IHJlYWxseSB3b3VsZG4ndCB0byBrZWVw IGFsbG9jYXRpbmcgYW5kIGRlYWxsb2NhdGluZw0KcGh5c2ljYWwgcGFnZXMgKHdoaWNoIEknbSBz dXJlIGhhcyBUTEIgZmx1c2hpbmcgY29zdHMpDQphbGwgdGhlIHRpbWUgZm9yIHRob3NlIHByb2Nl c3Nlcy4NCg0KUGVyaGFwcyBhICdnYXJiYWdlIGNvbGxlY3Rpb24nIGFjdGl2aXR5IHRoYXQgcmVj bGFpbXMgc3RhY2sNCnBhZ2VzIGZyb20gcHJvY2Vzc2VzIHRoYXQgaGF2ZSBiZWVuIGFzbGVlcCAn Zm9yIGEgd2hpbGUnIG9yDQpoYXZlbid0IHVzZWQgYSBsb3Qgb2Ygc3RhY2sgcmVjZW50bHkgKGlm IGh3ICdwYWdlIGFjY2Vzc2VkJw0KYml0IGNhbiBiZSB1c2VkKSBtaWdodCBtYWtlIG1vcmUgc2Vu c2UuDQoNCkhhdmUgeW91IGRvbmUgYW55IGluc3RydW1lbnRhdGlvbiB0byBzZWUgd2hpY2ggc3lz dGVtIGNhbGxzDQphcmUgYWN0dWFsbHkgdXNpbmcgbW9yZSB0aGFuIChzYXkpIDhrIG9mIHN0YWNr Pw0KQW5kIGhvdyBvZnRlbiB0aGUgdXNlciB0aHJlYWRzIHRoYXQgbWFrZSB0aG9zZSBjYWxscyBk byBzbz8NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxl eSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0 aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==