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Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200201003303.2363081-7-dwmw2@infradead.org> Content-Language: en-GB Subject: Re: [Xen-devel] [PATCH 7/8] x86/setup: simplify handling of initrdidx when no initrd present X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Varad Gautam , Ian Jackson , Hongyan Xia , Jan Beulich , Paul Durrant , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SGkgRGF2aWQsCgpPbiAwMS8wMi8yMDIwIDAxOjMzLCBEYXZpZCBXb29kaG91c2Ugd3JvdGU6Cj4g RnJvbTogRGF2aWQgV29vZGhvdXNlIDxkd213QGFtYXpvbi5jby51az4KPiAKPiBSZW1vdmUgYSB0 ZXJuYXJ5IG9wZXJhdG9yIHRoYXQgbWFkZSBteSBicmFpbiBodXJ0Lgo+IAo+IFJlcGxhY2UgaXQg d2l0aCBzb21ldGhpbmcgc2ltcGxlciB0aGF0IG1ha2VzIGl0IHNvbWV3aGF0IGNsZWFyZXIgdGhh dAo+IHRoZSBjaGVjayBmb3IgaW5pdHJkaWR4IDwgbWJpLT5tb2RzX2NvdW50IGlzIGJlY2F1c2Ug bWJpLT5tb2RzX2NvdW50Cj4gaXMgd2hhdCBmaW5kX2ZpcnN0X2JpdCgpIHdpbGwgcmV0dXJuIHdo ZW4gaXQgZG9lc24ndCBmaW5kIGFueXRoaW5nLgo+IAo+IFNpZ25lZC1vZmYtYnk6IERhdmlkIFdv b2Rob3VzZSA8ZHdtd0BhbWF6b24uY28udWs+Cj4gLS0tCj4gICB4ZW4vYXJjaC94ODYvc2V0dXAu YyB8IDkgKysrKystLS0tCj4gICAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCA0IGRl bGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvc2V0dXAuYyBiL3hlbi9h cmNoL3g4Ni9zZXR1cC5jCj4gaW5kZXggNWY2OGExMzA4Zi4uMTAyMDllNmJmYiAxMDA2NDQKPiAt LS0gYS94ZW4vYXJjaC94ODYvc2V0dXAuYwo+ICsrKyBiL3hlbi9hcmNoL3g4Ni9zZXR1cC5jCj4g QEAgLTY4Nyw3ICs2ODcsNyBAQCB2b2lkIF9faW5pdCBub3JldHVybiBfX3N0YXJ0X3hlbih1bnNp Z25lZCBsb25nIG1iaV9wKQo+ICAgICAgIGNoYXIgKmNtZGxpbmUsICprZXh0cmEsICpsb2FkZXI7 Cj4gICAgICAgdW5zaWduZWQgaW50IGluaXRyZGlkeCwgbnVtX3BhcmtlZCA9IDA7Cj4gICAgICAg bXVsdGlib290X2luZm9fdCAqbWJpOwo+IC0gICAgbW9kdWxlX3QgKm1vZDsKPiArICAgIG1vZHVs ZV90ICptb2QsICppbml0cmQgPSBOVUxMOwo+ICAgICAgIHVuc2lnbmVkIGxvbmcgbnJfcGFnZXMs IHJhd19tYXhfcGFnZSwgbW9kdWxlc19oZWFkcm9vbSwgbW9kdWxlX21hcFsxXTsKPiAgICAgICBp bnQgaSwgaiwgZTgyMF93YXJuID0gMCwgYnl0ZXMgPSAwOwo+ICAgICAgIGJvb2wgYWNwaV9ib290 X3RhYmxlX2luaXRfZG9uZSA9IGZhbHNlLCByZWxvY2F0ZWQgPSBmYWxzZTsKPiBAQCAtMTc5Myw2 ICsxNzkzLDkgQEAgdm9pZCBfX2luaXQgbm9yZXR1cm4gX19zdGFydF94ZW4odW5zaWduZWQgbG9u ZyBtYmlfcCkKPiAgICAgICAgICAgeGVuX3Byb2Nlc3Nvcl9wbWJpdHMgfD0gWEVOX1BST0NFU1NP Ul9QTV9DWDsKPiAgIAo+ICAgICAgIGluaXRyZGlkeCA9IGZpbmRfZmlyc3RfYml0KG1vZHVsZV9t YXAsIG1iaS0+bW9kc19jb3VudCk7Cj4gKyAgICBpZiAoIGluaXRyZGlkeCA8IG1iaS0+bW9kc19j b3VudCApCklJVUMsIHRoZSBjaGVjayBvbiBpbml0cmR4ID4gMCB3YXMgcG9pbnRsZXNzIGFzIGJp dCAwIHdpbGwgYWx3YXlzIGJlIApjbGVhcmVkIChpdCBpcyB1c2VkIGZvciBkb20wIGtlcm5lbCku IEl0IG1pZ2h0IGJlIHdvcnRoIG1lbnRpb25uaW5nIGl0IAppbiB0aGUgY29tbWl0IG1lc3NhZ2Uu IFNvbWV0aGluZyBsaWtlOgoKIlRoZSBpbml0cmQgY2FuIG5ldmVyIGJlIGluIHRoZSBmaXJzdCBt b2R1bGUgKGkuZSBpbml0cmRpZHggPT0gMCkgYXMgCnRoaXMgaXMgYWx3YXlzIHVzZWQgYnkgdGhl IGRvbTAga2VybmVsLiBTbyB0aGUgY2hlY2sgY2FuIGJlIHNpbXBsaWZ5LiIKCkFja2VkLWJ5OiBK dWxpZW4gR3JhbGwgPGp1bGllbkB4ZW4ub3JnPgoKPiArICAgICAgICBpbml0cmQgPSBtb2QgKyBp bml0cmRpZHg7Cj4gKwo+ICAgICAgIGlmICggYml0bWFwX3dlaWdodChtb2R1bGVfbWFwLCBtYmkt Pm1vZHNfY291bnQpID4gMSApCj4gICAgICAgICAgIHByaW50ayhYRU5MT0dfV0FSTklORwo+ICAg ICAgICAgICAgICAgICAgIk11bHRpcGxlIGluaXRyZCBjYW5kaWRhdGVzLCBwaWNraW5nIG1vZHVs ZSAjJXVcbiIsCj4gQEAgLTE4MTcsOSArMTgyMCw3IEBAIHZvaWQgX19pbml0IG5vcmV0dXJuIF9f c3RhcnRfeGVuKHVuc2lnbmVkIGxvbmcgbWJpX3ApCj4gICAgICAgICogV2UncmUgZ29pbmcgdG8g c2V0dXAgZG9tYWluMCB1c2luZyB0aGUgbW9kdWxlKHMpIHRoYXQgd2Ugc3Rhc2hlZCBzYWZlbHkK PiAgICAgICAgKiBhYm92ZSBvdXIgaGVhcC4gVGhlIHNlY29uZCBtb2R1bGUsIGlmIHByZXNlbnQs IGlzIGFuIGluaXRyZCByYW1kaXNrLgo+ICAgICAgICAqLwo+IC0gICAgaWYgKCBjb25zdHJ1Y3Rf ZG9tMChkb20wLCBtb2QsIG1vZHVsZXNfaGVhZHJvb20sCj4gLSAgICAgICAgICAgICAgICAgICAg ICAgIChpbml0cmRpZHggPiAwKSAmJiAoaW5pdHJkaWR4IDwgbWJpLT5tb2RzX2NvdW50KQo+IC0g ICAgICAgICAgICAgICAgICAgICAgICA/IG1vZCArIGluaXRyZGlkeCA6IE5VTEwsIGNtZGxpbmUp ICE9IDApCj4gKyAgICBpZiAoIGNvbnN0cnVjdF9kb20wKGRvbTAsIG1vZCwgbW9kdWxlc19oZWFk cm9vbSwgaW5pdHJkLCBjbWRsaW5lKSAhPSAwICkKPiAgICAgICAgICAgcGFuaWMoIkNvdWxkIG5v dCBzZXQgdXAgRE9NMCBndWVzdCBPU1xuIik7Cj4gICAKPiAgICAgICBpZiAoIGNwdV9oYXNfc21h cCApCj4gCgpDaGVlcnMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZl bEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8veGVuLWRldmVs