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Thread-Topic: Very slow clang kernel config .. Thread-Index: AQHXPqegH46G91tEpEmd7WaoBDaEqarPJ2lw Date: Sat, 1 May 2021 21:58:55 +0000 Message-ID: <4b77489c05f6459ead7233c3fb69f61e@AcuMS.aculab.com> References: <1c5e05fa-a246-9456-ff4e-287960acb18c@redhat.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMDEgTWF5IDIwMjEgMTc6MzINCj4gDQo+IE9u IEZyaSwgQXByIDMwLCAyMDIxIGF0IDg6MzMgUE0gVG9tIFN0ZWxsYXJkIDx0c3RlbGxhckByZWRo YXQuY29tPiB3cm90ZToNCj4gPg0KPiA+IFllcywgaXQncyBpbnRlbnRpb25hbC4gIER5bmFtaWMg bGlua2luZyBsaWJyYXJpZXMgZnJvbSBvdGhlciBwYWNrYWdlcyBpcw0KPiA+IHRoZSBGZWRvcmEg cG9saWN5WzFdLCBhbmQgY2xhbmcgYW5kIGxsdm0gYXJlIHNlcGFyYXRlIHBhY2thZ2VzIChpbiBG ZWRvcmEpLg0KPiANCj4gU2lkZSBub3RlOiBJIHJlYWxseSB3aXNoIEZlZG9yYSBzdG9wcGVkIGRv aW5nIHRoYXQuDQo+IA0KPiBTaGFyZWQgbGlicmFyaWVzIGFyZSBub3QgYSBnb29kIHRoaW5nIGlu IGdlbmVyYWwuIFRoZXkgYWRkIGEgbG90IG9mDQo+IG92ZXJoZWFkIGluIHRoaXMgY2FzZSwgYnV0 IG1vcmUgaW1wb3J0YW50bHkgdGhleSBhbHNvIGFkZCBsb3RzIG9mDQo+IHVubmVjZXNzYXJ5IGRl cGVuZGVuY2llcyBhbmQgY29tcGxleGl0eSwgYW5kIGFsbW9zdCBubyBzaGFyZWQNCj4gbGlicmFy aWVzIGFyZSBhY3R1YWxseSB2ZXJzaW9uLXNhZmUsIHNvIGl0IGFkZHMgYWJzb2x1dGVseSB6ZXJv DQo+IHVwc2lkZS4NCg0KSXQncyAnc3dpbmdzIGFuZCByb3VuZGFib3V0cycuLi4NCg0KSSB1c2Vk IGEgc3lzdGVtIHdoZXJlIHRoZSBsaWJjLnNvIHRoZSBsaW5rZXIgZm91bmQgd2FzIGFjdHVhbGx5 DQphbiBhcmNoaXZlIGxpYnJhcnksIG9uZSBtZW1iZXIgYmVpbmcgbGliYy5zby4xLg0KVGhlIGZ1 bmN0aW9uIHRoYXQgdXBkYXRlZCB1dG1wIGFuZCB1dG1weCAobGFzdCBsb2dpbiBkZXRhaWxzKQ0K d2FzIGluIHRoZSBhcmNoaXZlIHBhcnQuDQpUaGlzIGNvZGUgaGFkIGluY29ycmVjdCBsb2NraW5n IGFuZCBjb3JydXB0ZWQgdGhlIGZpbGVzLg0KV2hpbGUgdGhlIGZpeCB3YXMgZWFzeSwgZ2V0dGlu ZyBpbiAnaW5zdGFsbGVkJyB3YXNuJ3QgYmVjYXVzZSBhbGwNCnRoZSBwcm9ncmFtcyB0aGF0IHVz ZWQgaXQgbmVlZGVkIHRvIGJlIHJlbGlua2VkIC0gaGFyZCB3aGVuIHNvbWUNCndoZXJlIHByb3Zp ZGVkIGFzIGNvbW1lcmNpYWwgYmluYXJpZXMgYnkgM3JkIHBhcnRpZXMuDQoNCkkndmUgYWxzbyBk b25lIHNvbWUgZXhwZXJpbWVudHMgd2l0aCB0aGUgbW96aWxsYSB3ZWIgYnJvd3Nlci4NClRoaXMg bG9hZGVkIGFib3V0IDMwIGxpYnJhcmllcyBhdCBwcm9ncmFtIHN0YXJ0dXAuDQpUaGUgZWxmIHN5 bWJvbCBoYXNoaW5nIHJ1bGVzIGRvbid0IGhlbHAgYXQgYWxsIQ0KRXZlcnkgc3ltYm9sIGdldHMg bG9va2VkIGZvciBpbiBldmVyeSBsaWJyYXJ5IChvZnRlbiBjaGVja2luZw0KZm9yIGEgbm9uLXdl YWsgc3ltYm9sIGhhdmluZyBmb3VuZCBhIHdlYWsgZGVmaW5pdGlvbikuDQpTbyB0aGUgaGFzaCBv ZiB0aGUgc3ltYm9sIGlzIGNhbGN1bGF0ZWQuDQpJdCBpcyByZW1haW5kZXJlZCBieSB0aGUgaGFz aCB0YWJsZSBzaXplIGFuZCB0aGUgbGlua2VkIGxpc3Qgc2Nhbm5lZC4NCk5vdyB0aGUgaGFzaCB0 YWJsZSBzaXplIGlzIHRoZSBwcmltZSBiZWxvdyB0aGUgcG93ZXIgb2YgMiBiZWxvdw0KdGhlIG51 bWJlciBvZiBzeW1ib2xzICh3ZWxsIHdhcyB3aGVuIEkgZGlkIHRoaXMpLg0KU28gdGhlIGF2ZXJh Z2UgaGFzaCBjaGFpbiBoYXMgYWJvdXQgMS41IGVudHJpZXMuDQpXaXRoIDMwIGxpYnJhcmllcyB0 aGlzIGlzIH40NSBzdHJpbmcgY29tcGFyZXMuDQpJZiBhbGwgdGhlIHN0cmluZ3Mgc3RhcnQgd2l0 aCBzaW1pbGFyIHN0cmluZ3MgKEMrK2NsYXNzZXMpDQp0aGVuIHRoZSBzdHJjbXAoKSBhcmUgcXVp dGUgbG9uZy4NCg0KSSBwbGF5ZWQgYXJvdW5kIHdpdGggdGhlIGhhc2ggdGFibGUgc2l6ZS4NCkl0 IHJlYWxseSBkaWRuJ3QgbWF0dGVyIHdoZXRoZXIgaXQgd2FzIGEgcHJpbWUgb3Igbm90Lg0KRm9y IGxpYmMgdGhlIGRpc3RyaWJ1dGlvbiB3YXMgYWx3YXlzIGhvcnJpZCAtIHdpdGggc29tZQ0KcXVp dGUgbG9uZyBoYXNoIGNoYWlucy4NCk1ha2luZyB0aGUgaGFzaCB0YWJsZSBsYXJnZXIgdGhhbiB0 aGUgbnVtYmVyIG9mIHN5bWJvbHMNCihwZXJoYXBzIDIgcG93ZXJzIG9mIDIgYWJvdmUpIHdvdWxk IGJlIG1vcmUgbGlrZWx5IHRvDQptYWtlIHRoZSBoYXNoIGhpdCBhbiBlbXB0eSBsaXN0IC0gYW5k IHNraXAgYWxsIHRoZSBzdHJjbXAoKS4NCg0KVGhlIG90aGVyICd0cmljaycgd2FzIGEgcmV3cml0 ZSBvZiB0aGUgZHluYW1pYyBsb2FkZXIgdG8NCmdlbmVyYXRlIGEgc2luZ2xlIHN5bWJvbCB0YWJs ZSB0aGF0IGNvbnRhaW5lZCBhbGwgdGhlIHN5bWJvbHMNCm9mIGFsbCB0aGUgbGlicmFyaWVzIGxv YWRlZCBhdCBwcm9ncmFtIHN0YXJ0dXAuDQpQcm9jZXNzIHRoZSBsaWJyYXJpZXMgaW4gdGhlIHJp Z2h0IG9yZGVyIGFuZCB0aGlzIGlzIGVhc3kuDQpUaGF0IG1hZGUgYSBjb25zaWRlcmFibGUgaW1w cm92ZW1lbnQgdG8gcHJvZ3JhbSBzdGFydHVwLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBB ZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMs IE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K