From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nadav Amit Subject: Re: PROPOSAL: Extend inline asm syntax with size spec Date: Sun, 7 Oct 2018 16:09:30 +0000 Message-ID: <4F2F1BCE-7875-4160-9E1E-9F8EF962D989@vmware.com> References: <20181003213100.189959-1-namit@vmware.com> <20181007091805.GA30687@zn.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181007091805.GA30687@zn.tnic> Content-Language: en-US Content-ID: <94027636BB8A334E9165C9BF3FF18CC7@namprd05.prod.outlook.com> Sender: linux-kernel-owner@vger.kernel.org To: Borislav Petkov , "gcc@gcc.gnu.org" , Richard Biener , Michael Matz Cc: Ingo Molnar , "linux-kernel@vger.kernel.org" , "x86@kernel.org" , Masahiro Yamada , Sam Ravnborg , Alok Kataria , Christopher Li , Greg Kroah-Hartman , "H. Peter Anvin" , Jan Beulich , Josh Poimboeuf , Juergen Gross , Kate Stewart , Kees Cook , "linux-sparse@vger.kernel.org" , Peter Zijlstra , Philippe Ombredanne , Thomas Gleixner , virtualization@lists.li List-Id: linux-sparse@vger.kernel.org YXQgMjoxOCBBTSwgQm9yaXNsYXYgUGV0a292IDxicEBhbGllbjguZGU+IHdyb3RlOg0KDQo+IEhp IHBlb3BsZSwNCj4gDQo+IHRoaXMgaXMgYW4gYXR0ZW1wdCB0byBzZWUgd2hldGhlciBnY2MncyBp bmxpbmUgYXNtIGhldXJpc3RpYyB3aGVuDQo+IGVzdGltYXRpbmcgaW5saW5lIGFzbSBzdGF0ZW1l bnRzJyBjb3N0IGZvciBiZXR0ZXIgaW5saW5pbmcgY2FuIGJlDQo+IGltcHJvdmVkLg0KPiANCj4g QUZBSVUsIHRoZSBwcm9ibGVtYXRpYyBhcmlzZXMgd2hlbiBvbmUgZW5kcyB1cCB1c2luZyBhIGxv dCBvZiBpbmxpbmUNCj4gYXNtIHN0YXRlbWVudHMgaW4gdGhlIGtlcm5lbCBidXQgZHVlIHRvIHRo ZSBpbmxpbmUgYXNtIGNvc3QgZXN0aW1hdGlvbg0KPiBoZXVyaXN0aWMgd2hpY2ggY291bnRzIGxp bmVzLCBJIHRoaW5rLCBmb3IgZXhhbXBsZSBsaWtlIGluIHRoaXMgaGVyZQ0KPiBtYWNybzoNCj4g DQo+IGh0dHBzOi8vbmEwMS5zYWZlbGlua3MucHJvdGVjdGlvbi5vdXRsb29rLmNvbS8/dXJsPWh0 dHBzJTNBJTJGJTJGZ2l0Lmtlcm5lbC5vcmclMkZwdWIlMkZzY20lMkZsaW51eCUyRmtlcm5lbCUy RmdpdCUyRnRvcnZhbGRzJTJGbGludXguZ2l0JTJGdHJlZSUyRmFyY2glMkZ4ODYlMkZpbmNsdWRl JTJGYXNtJTJGY3B1ZmVhdHVyZS5oJTIzbjE2MiZhbXA7ZGF0YT0wMiU3QzAxJTdDbmFtaXQlNDB2 bXdhcmUuY29tJTdDNmRiMTI1OGM2NWVhNDViYmU0ZWEwOGQ2MmMzNWNlZWMlN0NiMzkxMzhjYTNj ZWU0YjRhYTRkNmNkODNkOWRkNjJmMCU3QzElN0MwJTdDNjM2NzQ1MDA3MDA2ODM4Mjk5JmFtcDtz ZGF0YT1pZWhsJTJGYjhoJTJCWkUlMkZycWI0cWphYzE5V2VrU2dPT2JjOSUyQk0xSnRvMVZnRjQl M0QmYW1wO3Jlc2VydmVkPTANCj4gDQo+IHRoZSByZXN1bHRpbmcgY29kZSBlbmRzIHVwIG5vdCBp bmxpbmluZyB0aGUgZnVuY3Rpb25zIHRoZW1zZWx2ZXMgd2hpY2gNCj4gdXNlIHRoaXMgbWFjcm8u IEkuZS4sIHlvdSBzZWUgYSBDQUxMIDxmdW5jdGlvbj4gaW5zdGVhZCBvZiBpdHMgYm9keQ0KPiBn ZXR0aW5nIGlubGluZWQgZGlyZWN0bHkuDQo+IA0KPiBFdmVuIHRob3VnaCBpdCBzaG91bGQgYmUg YmVjYXVzZSB0aGUgYWN0dWFsIGluc3RydWN0aW9ucyBhcmUgb25seSBhDQo+IGNvdXBsZSBpbiBt b3N0IGNhc2VzIGFuZCBhbGwgdGhvc2Ugb3RoZXIgZGlyZWN0aXZlcyBlbmQgdXAgaW4gYW5vdGhl cg0KPiBzZWN0aW9uIGFueXdheS4NCj4gDQo+IFRoZSBpc3N1ZSBpcyBleHBsYWluZWQgYmVsb3cg aW4gdGhlIGZvcndhcmRlZCBtYWlsIGluIGEgbGFyZ2VyIGRldGFpbA0KPiB0b28uDQo+IA0KPiBO b3csIFJpY2hhcmQgc3VnZ2VzdGVkIGRvaW5nIHNvbWV0aGluZyBsaWtlOg0KPiANCj4gMSkgaW5s aW5lIGFzbSAoIi4uLiIpDQo+IDIpIGFzbSAoIi4uLiIgOiA6IDogOiA8c2l6ZS1leHByPikNCj4g MykgYXNtICgiLi4uIikgX19hdHRyaWJ1dGVfXygoYXNtX3NpemUoPHNpemUtZXhwcj4pKSk7DQo+ IA0KPiB3aXRoIHdoaWNoIHVzZXIgY2FuIHRlbGwgZ2NjIHdoYXQgdGhlIHNpemUgb2YgdGhhdCBp bmxpbmUgYXNtIHN0YXRlbWVudA0KPiBpcyBhbmQgdGh1cyBhbGxvdyBmb3IgbW9yZSBwcmVjaXNl IGNvc3QgZXN0aW1hdGlvbiBhbmQgaW4gdGhlIGVuZCBiZXR0ZXINCj4gaW5saW5pbmcuDQo+IA0K PiBBbmQgRldJVyAzKSBsb29rcyBwcmV0dHkgc3RyYWlnaHQtZm9yd2FyZCB0byBtZSBiZWNhdXNl IGF0dHJpYnV0ZXMgYXJlDQo+IHByZXR0eSBjb21tb24gYW55d2F5cy4NCj4gDQo+IEJ1dCBJJ20g c3VyZSB0aGVyZSBhcmUgb3RoZXIgb3B0aW9ucyBhbmQgSSdtIHN1cmUgcGVvcGxlIHdpbGwgaGF2 ZQ0KPiBiZXR0ZXIvZGlmZmVyZW50IGlkZWFzIHNvIGZlZWwgZnJlZSB0byBjaGltZSBpbi4NCg0K VGhhbmtzIGZvciB0YWtpbmcgY2FyZSBvZiBpdC4gSSB3b3VsZCBsaWtlIHRvIG1lbnRpb24gYSBz ZWNvbmQgaXNzdWUsIHNpbmNlDQp5b3UgbWF5IHdhbnQgdG8gcmVzb2x2ZSBib3RoIHdpdGggYSBz aW5nbGUgc29sdXRpb246IG5vdCBpbmxpbmluZw0KY29uZGl0aW9uYWwgX19idWlsdGluX2NvbnN0 YW50X3AoKSwgaW4gd2hpY2ggdGhlcmUgYXJlIHR3byBjb2RlLXBhdGhzIC0gb25lDQpmb3IgY29u c3RhbnRzIGFuZCBvbmUgZm9yIHZhcmlhYmxlcy4NCg0KQ29uc2lkZXIgZm9yIGV4YW1wbGUgdGhl IExpbnV4IGtlcm5lbCBpbG9nMiBtYWNybywgd2hpY2ggaGFzIGEgY29uZGl0aW9uDQpiYXNlZCBv biBfX2J1aWx0aW5fY29uc3RhbnRfcCgpICgNCmh0dHBzOi8vZWxpeGlyLmJvb3RsaW4uY29tL2xp bnV4L3Y0LjE5LXJjNy9zb3VyY2UvaW5jbHVkZS9saW51eC9sb2cyLmgjTDE2MA0KKS4gVGhlIGNv bXBpbGVyIG1pc3Rha2VubHkgY29uc2lkZXJzIHRoZSDigJxoZWF2eeKAnSBjb2RlLXBhdGggdGhh dCBpcyBzdXBwb3NlZA0KdG8gYmUgZXZhbHVhdGVkIG9ubHkgaW4gY29tcGlsYXRpb24gdGltZSB0 byBldmFsdWF0ZSB0aGUgY29kZSBzaXplLiBUaGlzDQpjYXVzZXMgdGhlIGtlcm5lbCB0byBjb25z aWRlciBmdW5jdGlvbnMgc3VjaCBhcyBrbWFsbG9jKCkgYXMg4oCcYmln4oCdLg0Ka21hbGxvYygp IGlzIG1hcmtlZCB3aXRoIGFsd2F5c19pbmxpbmUgYXR0cmlidXRlLCBzbyBpbnN0ZWFkIHRoZSBj YWxsaW5nDQpmdW5jdGlvbnMsIHN1Y2ggYXMga3phbGxvYygpIGFyZSBub3QgaW5saW5lZC4NCg0K V2hlbiBJIHRob3VnaHQgYWJvdXQgaGFja2luZyBnY2MgdG8gc29sdmUgdGhpcyBpc3N1ZSwgSSBj b25zaWRlcmVkIGFuDQppbnRyaW5zaWMgdGhhdCB3b3VsZCBvdmVycmlkZSB0aGUgY29zdCBvZiBh IGdpdmVuIHN0YXRlbWVudC4gVGhpcyBzb2x1dGlvbg0KaXMgbm90IHRvbyBuaWNlLCBidXQgbWF5 IHNvbHZlIGJvdGggaXNzdWVzLg0KDQpJbiBhZGRpdGlvbiwgbm90ZSB0aGF0IEFGQUlVIHRoZSBp bXBhY3Qgb2YgYSB3cm9uZyBjb3N0IG9mIGNvZGUgZXN0aW1hdGlvbg0KY2FuIGFsc28gaW1wYWN0 IGxvb3AgYW5kIG90aGVyIG9wdGltaXphdGlvbnMuDQoNClJlZ2FyZHMsDQpOYWRhdg==