From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: [PATCH RFC v2 00/12] xen/x86: use per-vcpu stacks for 64 bit pv domains Date: Mon, 22 Jan 2018 13:32:44 +0100 Message-ID: <20180122123256.1431-1-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1edbHi-0008EP-Mr for xen-devel@lists.xenproject.org; Mon, 22 Jan 2018 12:33:10 +0000 List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Juergen Gross , wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, dfaggioli@suse.com, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org QXMgYSBwcmVwYXJhdGlvbiBmb3IgZG9pbmcgcGFnZSB0YWJsZSBpc29sYXRpb24gaW4gdGhlIFhl biBoeXBlcnZpc29yCmluIG9yZGVyIHRvIG1pdGlnYXRlICJNZWx0ZG93biIgdXNlIGRlZGljYXRl ZCBzdGFja3MsIEdEVCBhbmQgVFNTIGZvcgo2NCBiaXQgUFYgZG9tYWlucyBtYXBwZWQgdG8gdGhl IHBlci1kb21haW4gdmlydHVhbCBhcmVhLgoKVGhlIHBlci12Y3B1IHN0YWNrcyBhcmUgdXNlZCBm b3IgZWFybHkgaW50ZXJydXB0IGhhbmRsaW5nIG9ubHkuIEFmdGVyCnNhdmluZyB0aGUgZG9tYWlu J3MgcmVnaXN0ZXJzIHN0YWNrcyBhcmUgc3dpdGNoZWQgYmFjayB0byB0aGUgbm9ybWFsCnBlciBw aHlzaWNhbCBjcHUgb25lcyBpbiBvcmRlciB0byBiZSBhYmxlIHRvIGFkZHJlc3Mgb24tc3RhY2sg ZGF0YQpmcm9tIG90aGVyIGNwdXMgZS5nLiB3aGlsZSBoYW5kbGluZyBJUElzLgoKQWRkaW5nICVj cjMgc3dpdGNoaW5nIGJldHdlZW4gc2F2aW5nIG9mIHRoZSByZWdpc3RlcnMgYW5kIHN3aXRjaGlu Zwp0aGUgc3RhY2tzIHdpbGwgZW5hYmxlIHRoZSBwb3NzaWJpbGl0eSB0byBydW4gZ3Vlc3QgY29k ZSB3aXRob3V0IGFueQpwZXIgcGh5c2ljYWwgY3B1IG1hcHBpbmcsIGkuZS4gYXZvaWRpbmcgdGhl IHRocmVhdCBvZiBhIGd1ZXN0IGJlaW5nCmFibGUgdG8gYWNjZXNzIG90aGVyIGRvbWFpbnMgZGF0 YS4KCldpdGhvdXQgYW55IGZ1cnRoZXIgbWVhc3VyZXMgaXQgd2lsbCBzdGlsbCBiZSBwb3NzaWJs ZSBmb3IgZS5nLiBhCmd1ZXN0J3MgdXNlciBwcm9ncmFtIHRvIHJlYWQgc3RhY2sgZGF0YSBvZiBh bm90aGVyIHZjcHUgb2YgdGhlIHNhbWUKZG9tYWluLCBidXQgdGhpcyBjYW4gYmUgZWFzaWx5IGF2 b2lkZWQgYnkgYSBsaXR0bGUgUFYtQUJJIG1vZGlmaWNhdGlvbgppbnRyb2R1Y2luZyBwZXItY3B1 IHVzZXIgYWRkcmVzcyBzcGFjZXMuCgpUaGlzIHNlcmllcyBpcyBtZWFudCBhcyBhIHJlcGxhY2Vt ZW50IGZvciBBbmRyZXcncyBwYXRjaCBzZXJpZXM6CiJ4ODY6IFByZXJlcXVpc2l0ZSB3b3JrIGZv ciBhIFhlbiBLQUlTRVIgc29sdXRpb24iLgoKV2hhdCBuZWVkcyB0byBiZSBkb25lOgotIHZlcmlm eSBsaXZlcGF0Y2hpbmcgaXMgc3RpbGwgd29ya2luZwotIHBlcmZvcm1hbmNlIGV2YWx1YXRpb24g KERhcmlvIGlzIHdvcmtpbmcgb24gaXQpCi0gdGhlIHJlYWwgcGFnZSB0YWJsZSBzd2l0Y2hpbmcK CgpDaGFuZ2VzIHNpbmNlIFJGQyBWMToKLSBzd2l0Y2ggYmFjayB0byBwZXIgcGh5c2ljYWwgY3B1 IHN0YWNrcyBpbiBpbnRlcnJ1cHQgaGFuZGxpbmcKLSBjb21wbGV0ZSByZXdvcmsgb2Ygc2VyaWVz Ci0gcmViYXNlIHRvIGN1cnJlbnQgc3RhZ2luZwotIGFkZGluZyByZXZlcnRzIG9mIEphbidzIGJh bmQtYWlkIHBhdGNoZXMKLSBhZGRpbmcgdHdvIG1pbm9yIGNsZWFudXBzIGF0IHRoZSBiZWdpbiBv ZiB0aGUgc2VyaWVzCi0gZG9uZSBtdWNoIG1vcmUgdGVzdGluZywgaW5jbHVkaW5nIE5NSXMKCkp1 ZXJnZW4gR3Jvc3MgKDEyKToKICB4ODY6IGNsZWFudXAgcHJvY2Vzc29yLmgKICB4ODY6IGRvbid0 IHVzZSBoeXBlcnZpc29yIHN0YWNrIHNpemUgZm9yIGR1bXBpbmcgZ3Vlc3Qgc3RhY2tzCiAgeDg2 OiBkbyBhIHJldmVydCBvZiBlODcxZTgwYzM4NTQ3ZDlmYWVmYzY2MDQ1MzJiYTNlOTg1ZTY1ODcz CiAgeDg2OiByZXZlcnQgNTc4NGRlM2UyMDY3ZWQ3M2VmYzJmZTQyZTYyODMxZThhZTdmNDZjNAog IHg4NjogZG9uJ3QgYWNjZXNzIHNhdmVkIHVzZXIgcmVncyB2aWEgcnNwIGluIHRyYXAgaGFuZGxl cnMKICB4ODY6IGFkZCBhIHhwdGkgY29tbWFuZCBsaW5lIHBhcmFtZXRlcgogIHg4NjogYWxsb3cg cGVyLWRvbWFpbiBtYXBwaW5ncyB3aXRob3V0IE5YIGJpdCBvciB3aXRoIHNwZWNpZmljIG1mbgog IHhlbi94ODY6IHVzZSBkZWRpY2F0ZWQgZnVuY3Rpb24gZm9yIHRzcyBpbml0aWFsaXphdGlvbgog IHg4NjogZW5oYW5jZSBzeXNjYWxsIHN0dWIgdG8gd29yayBpbiBwZXItZG9tYWluIG1hcHBpbmcK ICB4ODY6IGFsbG9jYXRlIHBlci12Y3B1IHN0YWNrcyBmb3IgaW50ZXJydXB0IGVudHJpZXMKICB4 ODY6IG1vZGlmeSBpbnRlcnJ1cHQgaGFuZGxlcnMgdG8gc3VwcG9ydCBzdGFjayBzd2l0Y2hpbmcK ICB4ODY6IGFjdGl2YXRlIHBlci12Y3B1IHN0YWNrcyBpbiBjYXNlIG9mIHhwdGkKCiBkb2NzL21p c2MveGVuLWNvbW1hbmQtbGluZS5tYXJrZG93biB8ICAxNiArLQogeGVuL2FyY2gveDg2L2NwdS9j b21tb24uYyAgICAgICAgICAgfCAgNTYgKysrKy0tLQogeGVuL2FyY2gveDg2L2RvbWFpbi5jICAg ICAgICAgICAgICAgfCAgODQgKysrKysrKystLQogeGVuL2FyY2gveDg2L21tLmMgICAgICAgICAg ICAgICAgICAgfCAxMDIgKysrKysrKysrKy0tLQogeGVuL2FyY2gveDg2L3B2L2RvbWFpbi5jICAg ICAgICAgICAgfCAxNjEgKysrKysrKysrKysrKysrKysrKy0KIHhlbi9hcmNoL3g4Ni9zbXBib290 LmMgICAgICAgICAgICAgIHwgMjExIC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiB4ZW4vYXJj aC94ODYvdHJhcHMuYyAgICAgICAgICAgICAgICB8ICAyNiArKy0tCiB4ZW4vYXJjaC94ODYveDg2 XzY0L2FzbS1vZmZzZXRzLmMgICB8ICAgNiArLQogeGVuL2FyY2gveDg2L3g4Nl82NC9jb21wYXQv ZW50cnkuUyAgfCAgOTggKysrKysrLS0tLS0tCiB4ZW4vYXJjaC94ODYveDg2XzY0L2VudHJ5LlMg ICAgICAgICB8IDI5NSArKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KIHhlbi9h cmNoL3g4Ni94ODZfNjQvdHJhcHMuYyAgICAgICAgIHwgIDQ3ICsrKy0tLQogeGVuL2NvbW1vbi93 YWl0LmMgICAgICAgICAgICAgICAgICAgfCAgIDggKy0KIHhlbi9pbmNsdWRlL2FzbS14ODYvYXNt X2RlZm5zLmggICAgIHwgIDQ5ICsrKy0tLQogeGVuL2luY2x1ZGUvYXNtLXg4Ni9jb25maWcuaCAg ICAgICAgfCAgMTMgKy0KIHhlbi9pbmNsdWRlL2FzbS14ODYvY3VycmVudC5oICAgICAgIHwgIDcx ICsrKysrKy0tLQogeGVuL2luY2x1ZGUvYXNtLXg4Ni9kZXNjLmggICAgICAgICAgfCAgIDUgKwog eGVuL2luY2x1ZGUvYXNtLXg4Ni9kb21haW4uaCAgICAgICAgfCAgIDUgKwogeGVuL2luY2x1ZGUv YXNtLXg4Ni9tbS5oICAgICAgICAgICAgfCAgIDMgKwogeGVuL2luY2x1ZGUvYXNtLXg4Ni9wcm9j ZXNzb3IuaCAgICAgfCAgNDIgLS0tLS0KIHhlbi9pbmNsdWRlL2FzbS14ODYvcmVncy5oICAgICAg ICAgIHwgICAyICsKIHhlbi9pbmNsdWRlL2FzbS14ODYvc3lzdGVtLmggICAgICAgIHwgICA4ICsK IHhlbi9pbmNsdWRlL2FzbS14ODYveDg2XzY0L3BhZ2UuaCAgIHwgICA1ICstCiAyMiBmaWxlcyBj aGFuZ2VkLCA2NDcgaW5zZXJ0aW9ucygrKSwgNjY2IGRlbGV0aW9ucygtKQoKLS0gCjIuMTMuNgoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlz dHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=