From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g6AeX-0006Xn-QS for kexec@lists.infradead.org; Sat, 29 Sep 2018 08:31:26 +0000 Date: Sat, 29 Sep 2018 10:30:52 +0200 From: Borislav Petkov Subject: Re: [PATCH v7 RESEND 4/4] kdump/vmcore: support encrypted old memory with SME enabled Message-ID: <20180929083052.GA13786@zn.tnic> References: <20180927071954.29615-1-lijiang@redhat.com> <20180927071954.29615-5-lijiang@redhat.com> <20180928083852.GA21895@zn.tnic> <1c27b9a9-ae93-011a-b003-a50ecc22ccc5@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1c27b9a9-ae93-011a-b003-a50ecc22ccc5@redhat.com> 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: lijiang 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 T24gU2F0LCBTZXAgMjksIDIwMTggYXQgMDI6MjQ6NTJQTSArMDgwMCwgbGlqaWFuZyB3cm90ZToK PiBBdCBmaXJzdCwgaSBhZGRlZCBhbiBpbnB1dCBwYXJhbWV0ZXIgZm9yIHJlYWRfZnJvbV9vbGRt ZW0oKSBiZWNhdXNlIG9mIGVuY3J5cHRpb24oU01FKS4gQnV0Cj4gZm9yIGF2b2lkaW5nIHRvIGFs c28gYWRkIHRoZSBzYW1lIHBhcmFtZXRlciBmb3IgY29weV9vbGRtZW1fcGFnZSgpLCBzbyBpIGFk ZGVkIGEgbmV3IGZ1bmN0aW9uCj4gY29weV9vbGRtZW1fcGFnZV9lbmNyeXB0ZWQoKS4gTWF5YmUg eW91IGhhZCBub3RpY2VkIHRoYXQgdGhlc2UgZnVuY3Rpb25zIHdlcmUgdmVyeSBzaW1pbGFyLgoK SWYgeW91IGhhdmUgdHdvIHZlcnkgc2ltaWxhciBmdW5jdGlvbnMsIHlvdSBhZGQgYSAqc3RhdGlj KiB3b3JraG9yc2UgZnVuY3Rpb246CgpzdGF0aWMgc3NpemVfdCBfX2NvcHlfb2xkbWVtX3BhZ2Uo dW5zaWduZWQgbG9uZyBwZm4sIGNoYXIgKmJ1Ziwgc2l6ZV90IGNzaXplLCB1bnNpZ25lZCBsb25n IG9mZnNldCwKCQkJCSAgaW50IHVzZXJidWYsIGJvb2wgZW5jcnlwdGVkKQoKYW5kIHlvdSBkZWZp bmUgdHdvIHdyYXBwZXJzOgoKY29weV9vbGRtZW1fcGFnZSgpCmNvcHlfb2xkbWVtX3BhZ2VfZW5j cnlwdGVkKCkKCndoaWNoIGJvdGggY2FsbCBfX2NvcHlfb2xkbWVtX3BhZ2UoKSB3aXRoIHRoZSBh cHByb3ByaWF0ZSBwYXJhbWV0ZXJzLgoKQnV0IHlvdSBkbyAqbm90KiBkbyBhIHNlcGFyYXRlIGNv bXBpbGF0aW9uIHVuaXQganVzdCBiZWNhdXNlLiBOb25lIG9mCnRoZSByZWFzb25zIHlvdSd2ZSBt ZW50aW9uZWQgd2FycmFudCBoYXZpbmcgYSBzZXBhcmF0ZSBjb21waWxhdGlvbgp1bml0IHdoaWxl IHlvdSBhbHJlYWR5IGhhdmUgKnRoZSogcGVyZmVjdCBwbGFjZSB0byBwdXQgZXZlcnl0aGluZyAt CmFyY2gveDg2L2tlcm5lbC9jcmFzaF9kdW1wXzY0LmMKCj4gU28gc29ycnksIGhlcmUgIm9sZG1l bSBlbmNyeXB0ZWQiIG1lYW5zIHRoZSAib2xkIG1lbW9yeSBpcyBlbmNyeXB0ZWQiLgoKSSBrbm93 IHdoYXQgaXQgbWVhbnMgLSBJJ20gdHJ5aW5nIHRvIGV4cGxhaW4gdG8geW91IHRvIHdyaXRlIGl0 IG91dAppbiBwbGFpbiBlbmdsaXNoIGFuZCBub3QgdXNlIHNvbWUgc3RyYW5nZSBjb25zdHJ1Y3Rz IGxpa2UgIm9sZG1lbQplbmNyeXB0ZWQiLgoKQSByZWFkZXIgd291bGQgd29uZGVyOiB3aHkgaXMg dGhpcyB0aGluZyBzZW1pLWFiYnJldmlhdGVkIGFuZCBpbgpxdW90YXRpb24gbWFya3M/IERvZXMg dGhhdCBtZWFuIGFueXRoaW5nIHNwZWNpYWw/CgpPdXIgY29tbWVudHMgc2hvdWxkIG5vdCBiZSB3 cml0ZS1vbmx5LiBTbyBhZnRlciB5b3UndmUgd3JpdHRlbiBpdCwgdHJ5CnRvIHJlYWQgaXQgYXMg c29tZW9uZSB3aG8gc2VlcyB0aGUgY29kZSBmb3IgdGhlIGZpcnN0IHRpbWUgYW5kIHRoaW5rCmhh cmQgd2hldGhlciBzaGUvaGUgd2lsbCB1bmRlcnN0YW5kIGl0LgoKRG8geW91IGNhdGNoIG15IGRy aWZ0IG5vdz8KCi0tIApSZWdhcmRzL0dydXNzLAogICAgQm9yaXMuCgpTVVNFIExpbnV4IEdtYkgs IEdGOiBGZWxpeCBJbWVuZMO2cmZmZXIsIEphbmUgU21pdGhhcmQsIEdyYWhhbSBOb3J0b24sIEhS QiAyMTI4NCAoQUcgTsO8cm5iZXJnKQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18Ka2V4ZWMgbWFpbGluZyBsaXN0CmtleGVjQGxpc3RzLmluZnJhZGVhZC5v cmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9rZXhlYwo=