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Peter Anvin" , "xe-linux-external(mailer list)" , Ruslan Ruslichenko , Ruslan Bilovol , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 6/8] CMDLINE: x86: convert to generic builtin command line Thread-Topic: [PATCH 6/8] CMDLINE: x86: convert to generic builtin command line Thread-Index: AQHcM9+g3r8quaaplkmRsz//r+UKeQ== Date: Thu, 2 Oct 2025 23:39:10 +0000 Message-ID: References: <20231110013817.2378507-1-danielwa@cisco.com> <20231110013817.2378507-7-danielwa@cisco.com> <00c11f75-7400-4b2a-9a5d-10fc62363835@intel.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-Auto-Response-Suppress: DR, OOF, AutoReply X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: CH3PR11MB8775:EE_|LV8PR11MB8558:EE_ x-ms-office365-filtering-correlation-id: d0b12058-140a-4f4f-bd8c-08de020ce33a x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|1800799024|376014|366016|7416014|38070700021; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: cisco.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH3PR11MB8775.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d0b12058-140a-4f4f-bd8c-08de020ce33a X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Oct 2025 23:39:10.8193 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: /Kit0FMno4g4j7A2t6BVCbXVc8M3BDrN0Y3KQpoDwxCSlwONQdE6XB3yQW9LaV2H/FFmNZuGhTYk2FqnfGILag== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR11MB8558 X-Outbound-SMTP-Client: 173.37.147.251, alln-opgw-3.cisco.com X-Outbound-Node: alln-l-core-03.cisco.com On Thu, Oct 02, 2025 at 02:55:07PM -0700, Dave Hansen wrote: > On 10/2/25 14:31, Daniel Walker (danielwa) wrote: > ... > >> BTW, your series looks like a *really* good idea. Please don't let it > >> die. But you might want to trim it down a bit. I'd probably remove the > >> tests and the 'insert-sys-cert' changes to make it more approachable t= o > >> folks. > >=20 > > Since x86 is asking for it I think it would trim it down to just > > what is needed for x86. If I don't trim down the architectures it > > ropes in too many people anyway. >=20 > That's not a bad idea. Or, even if you can pick two amenable > architectures to start with it will make it really obvious that this is > useful. Two architectures means a *lot*, IMNHO. Two is a billion times > better than one. ARM64 has also request this series in the past, but I don't know what their current code looks like since my last submissions. > > The biggest issue is that libstub would need to be modified, but > > I've never had any luck getting the libstub maintainer to review > > anything. I suspect he would ignore private email too, particularly > > from people he's doesn't know. >=20 > Are you talking about Ard? >=20 > EXTENSIBLE FIRMWARE INTERFACE (EFI) > M: Ard Biesheuvel > L: linux-efi@vger.kernel.org > S: Maintained > ... > F: drivers/firmware/efi/ > F: include/linux/efi*.h Yes I think so. > He's a pretty nice guy and has been active in this thread, so I'm kinda > surprised to hear you're having a hard time there. I'd just try asking > nicely. I'm pretty sure he's "ardb" on the usual IRC networks. IRC is a > great alternative when you're having problems getting your emails seen > in the normal email flood. That was the first response from him over many submissions. Which channels = are popular on IRC ? > BTW, reading the changelog for libstub, it wasn't clear to me that > changes there were _required_ for the series to go forward. For > instance, is the x86 patch useful without libstub changes? I think it is required because x86 can be compiled with libstub and the=20 changes take effect for the whole kernel when compiled for that architectur= e. libstub uses the Kconfig options directly which I modify in the series, so = there would need to be some compatibility changes. Daniel=