From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by merlin.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g800v-00080v-Oa for kexec@lists.infradead.org; Thu, 04 Oct 2018 09:33:46 +0000 Subject: Re: [PATCH v8 RESEND 0/4] Support kdump for AMD secure memory encryption(SME) References: <20180930031033.22110-1-lijiang@redhat.com> <20181002114012.GB29859@zn.tnic> <43da68b1-fda0-c033-39e1-907d01f13354@redhat.com> <20181003113435.GB4436@zn.tnic> From: lijiang Message-ID: Date: Thu, 4 Oct 2018 17:33:14 +0800 MIME-Version: 1.0 In-Reply-To: <20181003113435.GB4436@zn.tnic> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Borislav Petkov Cc: thomas.lendacky@amd.com, jroedel@suse.de, brijesh.singh@amd.com, bhe@redhat.com, tiwai@suse.de, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, mingo@redhat.com, baiyaowei@cmss.chinamobile.com, hpa@zytor.com, bhelgaas@google.com, tglx@linutronix.de, dyoung@redhat.com, akpm@linux-foundation.org, dan.j.williams@intel.com 5ZyoIDIwMTjlubQxMOaciDAz5pelIDE5OjM0LCBCb3Jpc2xhdiBQZXRrb3Yg5YaZ6YGTOgo+IE9u IFdlZCwgT2N0IDAzLCAyMDE4IGF0IDExOjU3OjU5QU0gKzA4MDAsIGxpamlhbmcgd3JvdGU6Cj4+ IEkgbm90aWNlZCB0aGF0IHlvdXIgdGVzdCB3YXMgYmFzZWQgb24gW3BhdGNoIHY4IFJFU0VORCA0 LzRdLAo+IAo+IEhvdyBkaWQgeW91IG5vdGljZSB0aGF0Pwo+IAo+IExldCdzIHNlZSwgdGhlIHBh dGNoIGluIHF1ZXN0aW9uIGlzIHRoaXMgb25lOgo+IAo+IGh0dHBzOi8vZ2l0Lmtlcm5lbC5vcmcv cHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L2JwL2JwLmdpdC9jb21taXQvP2g9cmM2JTJiMC1zbWUt a2R1bXAmaWQ9NGEwZjJhZGY2Y2YzNzRlZDNlNzQyMTM0ZTQwNTkxZWEzM2Q1NWIwNQo+IAo+IGFu ZCBpdCBoYXMgYSBMaW5rIHRhZzoKPiAKPiBMaW5rOiBodHRwczovL2xrbWwua2VybmVsLm9yZy9y L2JlN2I0N2Y5LTZiZTYtZTBkMS0yYzJhLTkxMjViYzc0YjgxOEByZWRoYXQuY29tCj4gCj4gTm93 IGxldCdzIG9wZW4gdGhhdCBsaW5rIHRhZy4gSSBkb24ndCBrbm93IGFib3V0IHlvdSBidXQgbXkg YnJvd3NlciBzYXlzOgo+IAo+IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xrbWwvYmU3YjQ3Zjkt NmJlNi1lMGQxLTJjMmEtOTEyNWJjNzRiODE4QHJlZGhhdC5jb20vVC8jdQo+IAo+IHdoaWNoIHBv aW50cyB0bwo+IAo+IFN1YmplY3Q6IFJlOiBbUEFUQ0ggdjkgNC80XSBrZHVtcC92bWNvcmU6IHN1 cHBvcnQgZW5jcnlwdGVkIG9sZCBtZW1vcnkgd2l0aCBTTUUgZW5hYmxlZAo+IAo+IExvb2tpbmcg YXQgdGhhdCBtYWlsLCBpdHMgbWVzc2FnZSBpZCBpczoKPiAKPiBNZXNzYWdlLUlEOiA8YmU3YjQ3 ZjktNmJlNi1lMGQxLTJjMmEtOTEyNWJjNzRiODE4QHJlZGhhdC5jb20+Cj4gCj4gSXQgbG9va3Mg dG8gbWUgaXQgaXMgYWxyZWFkeSB2OSwgbm8/Cj4gCgpBY2NvcmRpbmcgdG8geW91ciBkZXNjcmlw dGlvbiwgaXQgc2VlbXMgdGhhdCB0aGUgcGF0Y2ggaXMgdjkuIEluIGZhY3QsIHRoZXJlIGlzIG9u bHkKZGlmZmVyZW50IHRoZSBjb250ZW50IG9mIGhlYWRlciBmaWxlIGJldHdlZW4gW3BhdGNoIHY4 IFJFU0VORCA0LzRdIGFuZCBbcGF0Y2ggdjkgNC80XS4KCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xp bnV4L2NyYXNoX2R1bXAuaCBiL2luY2x1ZGUvbGludXgvY3Jhc2hfZHVtcC5oCmluZGV4IDNlNGJh OWQ3NTNjOC4uODRkOGRkY2I4MThlIDEwMDY0NAotLS0gYS9pbmNsdWRlL2xpbnV4L2NyYXNoX2R1 bXAuaAorKysgYi9pbmNsdWRlL2xpbnV4L2NyYXNoX2R1bXAuaApAQCAtMjYsNiArMjYsMTkgQEAg ZXh0ZXJuIGludCByZW1hcF9vbGRtZW1fcGZuX3JhbmdlKHN0cnVjdCB2bV9hcmVhX3N0cnVjdCAq dm1hLAogCiBleHRlcm4gc3NpemVfdCBjb3B5X29sZG1lbV9wYWdlKHVuc2lnbmVkIGxvbmcsIGNo YXIgKiwgc2l6ZV90LAogCQkJCQkJdW5zaWduZWQgbG9uZywgaW50KTsKKyNpZiBkZWZpbmVkKENP TkZJR19BTURfTUVNX0VOQ1JZUFQpIHx8IGRlZmluZWQoQ09ORklHX1g4Nl82NCkKK2V4dGVybiBz c2l6ZV90IGNvcHlfb2xkbWVtX3BhZ2VfZW5jcnlwdGVkKHVuc2lnbmVkIGxvbmcgcGZuLCBjaGFy ICpidWYsCisJCQkJCSAgc2l6ZV90IGNzaXplLCB1bnNpZ25lZCBsb25nIG9mZnNldCwKKwkJCQkJ ICBpbnQgdXNlcmJ1Zik7CisjZWxzZQorc3RhdGljIGlubGluZQorc3NpemVfdCBjb3B5X29sZG1l bV9wYWdlX2VuY3J5cHRlZCh1bnNpZ25lZCBsb25nIHBmbiwgY2hhciAqYnVmLCBzaXplX3QgY3Np emUsCisJCQkJICAgdW5zaWduZWQgbG9uZyBvZmZzZXQsIGludCB1c2VyYnVmKQoreworCXJldHVy biAwOworfQorI2VuZGlmCisKCgpJIGhhdmUgdGVzdGVkIHRoZSBwYXRjaCBhZ2FpbiBiYXNlZCBv biB1cHN0cmVhbSA0LjE5LjAtcmM2LCBpdCB3b3JrcyB2ZXJ5IHdlbGwuCgpJJ20gbm90IHN1cmUg d2hldGhlciB5b3VyIG1hY2hpbmUgaGFzIGFsc28gU01FIGZlYXR1cmUuIElmIGl0IGhhcyBubyBT TUUgZmVhdHVyZSBhbmQKcHJldmlvdXNseSBrZHVtcCBjb3VsZCB3b3JrIHdlbGwsIGFmdGVyIHdl IGFwcGx5IHRoZXNlIHBhdGNoZXMsIGtkdW1wIHNob3VsZCBiZSBhYmxlCnRvIHdvcmsgcHJvcGVy bHkgdG9vLiBJIHN1Z2dlc3QgYSBjb21wYXJpc29uIHRlc3QgZm9yIHRoZW0uIEJlY2F1c2UgaXQg aXMgc2ltaWxhciB0bwp0aGUgc2l0dWF0aW9uIHRoYXQgU01FIGlzIGRpc2FibGVkLgoKSWYgeW91 ciBtYWNoaW5lIGhhcyBTTUUgZmVhdHVyZSBhbmQgU01FIGlzIGFsc28gZW5hYmxlZCwgdGhlc2Ug cGF0Y2hlcyBzaG91bGQgYmUgYXBwbGllZApiZWZvcmUgd2UgdGVzdCBrZHVtcCwgb3RoZXJ3aXNl IGtkdW1wIHdvbid0IHdvcmsuCgpUaGlzIHdhcyB5b3VyIGNvbW1hbmQgdGhhdCBsb2FkZWQgY3Jh c2gga2VybmVsIGFuZCBpbml0cmQ6CiMgfi9icGV0a292L2Jpbi9zYmluL2tleGVjIC1wIC9ib290 L3ZtbGludXotNC4xOS4wLXJjNisgLS1pbml0cmQgL2Jvb3QvaW5pdHJkLTQuMTkuMC1yYzYrIC0t Y29tbWFuZC1saW5lPSJyb290PS9kZXYvbWFwcGVyL3VidW50dS0tMDEwMjM2MDEyMTMyLS12Zy1s ZWFwMTUgc3BsYXNoPXNpbGVudCBzaG93b3B0cyBjb25zb2xlPXR0eVM1LDExNTIwMCBjb25zb2xl PXR0eTAgZGVidWcgaWdub3JlX2xvZ2xldmVsIGxvZ19idWZfbGVuPTE2TSAxIGlycXBvbGwgbWF4 Y3B1cz0xIHJlc2V0X2RldmljZXMgdmdhPW5vcm1hbCIKCklmIHRoaXMgb3B0aW9uKENPTkZJR19B TURfTUVNX0VOQ1JZUFRfQUNUSVZFX0JZX0RFRkFVTFQpIHdhcyBub3QgZW5hYmxlZCBieSBkZWZh dWx0LAp0aGF0IGp1c3QgdGVzdGVkIHRoZSBjYXNlIHdoaWNoIFNNRSB3YXMgZGlzYWJsZWQoYmVj YXVzZSBpdCBoYWQgbm8gIm1lbV9lbmNyeXB0PW9uIgppbiB0aGUga2VybmVsIGNvbW1hbmQtbGlu ZSkuIEFzIHByZXZpb3VzbHkgbWVudGlvbmVkLCBtYXliZSBpdCBpcyBuZWNlc3NhcnkgdG8gZG8K YSBjb21wYXJpc29uIHRlc3QgZm9yIHRoZW0uCgpJIGhhdmUgbm8gdGVzdCBlbnZpcm9ubWVudCBm b3IgVWJ1bnR1LiBXb3VsZCB5b3UgbGlrZSB0byBzaGFyZSB0aGUgcGFuaWMgbG9nPyAKClRoYW5r cy4KTGlhbmJvCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwprZXhlYyBtYWlsaW5nIGxpc3QKa2V4ZWNAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlz dHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2tleGVjCg==