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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: <20200108170040.7728-1-andrew.cooper3@citrix.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH] x86/boot: Rationalise stack handling during early boot 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: Xen-devel , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDguMDEuMjAyMCAxODowMCwgQW5kcmV3IENvb3BlciB3cm90ZToKPiAtLS0gYS94ZW4vYXJj aC94ODYvZWZpL2VmaS1ib290LmgKPiArKysgYi94ZW4vYXJjaC94ODYvZWZpL2VmaS1ib290LmgK PiBAQCAtMjQ5LDIzICsyNDksMjQgQEAgc3RhdGljIHZvaWQgX19pbml0IG5vcmV0dXJuIGVmaV9h cmNoX3Bvc3RfZXhpdF9ib290KHZvaWQpCj4gICAgICAgICAgICAgICAgICAgICAib3IgICAgICQi X19zdHJpbmdpZnkoWDg2X0NSNF9QR0UpIiwgJVtjcjRdXG5cdCIKPiAgICAgICAgICAgICAgICAg ICAgICJtb3YgICAgJVtjcjRdLCAlJWNyNFxuXHQiCj4gICNlbmRpZgo+IC0gICAgICAgICAgICAg ICAgICAgIm1vdmFicyAkX19zdGFydF94ZW4sICVbcmlwXVxuXHQiCj4gICAgICAgICAgICAgICAg ICAgICAibGdkdCAgIGJvb3RfZ2R0ciglJXJpcClcblx0Igo+IC0gICAgICAgICAgICAgICAgICAg Im1vdiAgICBzdGFja19zdGFydCglJXJpcCksICUlcnNwXG5cdCIKPiAgICAgICAgICAgICAgICAg ICAgICJtb3YgICAgJVtkc10sICUlc3Ncblx0Igo+ICAgICAgICAgICAgICAgICAgICAgIm1vdiAg ICAlW2RzXSwgJSVkc1xuXHQiCj4gICAgICAgICAgICAgICAgICAgICAibW92ICAgICVbZHNdLCAl JWVzXG5cdCIKPiAgICAgICAgICAgICAgICAgICAgICJtb3YgICAgJVtkc10sICUlZnNcblx0Igo+ ICAgICAgICAgICAgICAgICAgICAgIm1vdiAgICAlW2RzXSwgJSVnc1xuXHQiCj4gLSAgICAgICAg ICAgICAgICAgICAibW92bCAgICVbY3NdLCA4KCUlcnNwKVxuXHQiCj4gLSAgICAgICAgICAgICAg ICAgICAibW92ICAgICVbcmlwXSwgKCUlcnNwKVxuXHQiCj4gLSAgICAgICAgICAgICAgICAgICAi bHJldHEgICVbc3Rrb2ZmXS0xNiIKPiArCj4gKyAgICAgICAgICAgICAgICAgICAvKiBKdW1wIHRv IGhpZ2hlciBtYXBwaW5ncy4gKi8KPiArICAgICAgICAgICAgICAgICAgICJtb3YgICAgc3RhY2tf c3RhcnQoJSVyaXApLCAlJXJzcFxuXHQiCj4gKyAgICAgICAgICAgICAgICAgICAibW92YWJzICRf X3N0YXJ0X3hlbiwgJVtyaXBdXG5cdCIKPiArICAgICAgICAgICAgICAgICAgICJwdXNoICAgJVtj c11cblx0IgoKRWl0aGVyIHlvdSBuZWVkICVxW2NzXSBoZXJlIChhc3N1bWluZyBxIGdldHMgaWdu b3JlZCBmb3IKaW1tZWRpYXRlIG9wZXJhbmRzLCB3aGljaCBJIGRpZG4ndCBjaGVjaykgb3IgLi4u Cgo+ICsgICAgICAgICAgICAgICAgICAgInB1c2ggICAlW3JpcF1cblx0Igo+ICsgICAgICAgICAg ICAgICAgICAgImxyZXRxIgo+ICAgICAgICAgICAgICAgICAgICAgOiBbcmlwXSAiPSZyIiAoZWZl ci8qIGFueSBkZWFkIDY0LWJpdCB2YXJpYWJsZSAqLyksCj4gICAgICAgICAgICAgICAgICAgICAg IFtjcjRdICIrJnIiIChjcjQpCj4gICAgICAgICAgICAgICAgICAgICA6IFtjcjNdICJyIiAoaWRs ZV9wZ190YWJsZSksCj4gICAgICAgICAgICAgICAgICAgICAgIFtjc10gImlyIiAoX19IWVBFUlZJ U09SX0NTKSwKCi4uLiB5b3UgbmVlZCB0byB1c2UganVzdCAiaSIgaGVyZSwgZm9yIHRoZXJlIG5v dCBiZWluZyAzMi1iaXQKUFVTSCBmb3Jtcy4KCj4gLS0tIGEveGVuL2FyY2gveDg2L3NtcGJvb3Qu Ywo+ICsrKyBiL3hlbi9hcmNoL3g4Ni9zbXBib290LmMKPiBAQCAtNTU0LDcgKzU1NCw3IEBAIHN0 YXRpYyBpbnQgZG9fYm9vdF9jcHUoaW50IGFwaWNpZCwgaW50IGNwdSkKPiAgICAgICAgICBwcmlu dGsoIkJvb3RpbmcgcHJvY2Vzc29yICVkLyVkIGVpcCAlbHhcbiIsCj4gICAgICAgICAgICAgICAg IGNwdSwgYXBpY2lkLCBzdGFydF9laXApOwo+ICAKPiAtICAgIHN0YWNrX3N0YXJ0ID0gc3RhY2tf YmFzZVtjcHVdOwo+ICsgICAgc3RhY2tfc3RhcnQgPSBzdGFja19iYXNlW2NwdV0gKyBTVEFDS19T SVpFIC0gc2l6ZW9mKHN0cnVjdCBjcHVfaW5mbyk7Cj4gIAo+ICAgICAgLyogVGhpcyBncnVuZ2Ug cnVucyB0aGUgc3RhcnR1cCBwcm9jZXNzIGZvciB0aGUgdGFyZ2V0ZWQgcHJvY2Vzc29yLiAqLwoK RnVydGhlciBkb3duIHNtcF9wcmVwYXJlX2NwdXMoKSBoYXMKCiAgICBzdGFja19iYXNlWzBdID0g c3RhY2tfc3RhcnQ7Cgp3aGljaCBJIHRoaW5rIHlvdSBuZWVkIHRvIGFsc28gYWRqdXN0IChvciBy ZXBsYWNlLCBlLmcuIGJ5IGdpdmluZwpzdGFja19iYXNlW10gYW4gaW5pdGlhbGl6ZXIpLgoKSmFu CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xp c3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs