From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from [222.73.24.84] (helo=song.cn.fujitsu.com) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Tcnx2-0003fH-3F for kexec@lists.infradead.org; Mon, 26 Nov 2012 01:57:36 +0000 Message-ID: <50B2CC1D.6060708@cn.fujitsu.com> Date: Mon, 26 Nov 2012 09:55:41 +0800 From: Zhang Yanfei MIME-Version: 1.0 Subject: Re: [PATCH v8 0/2] x86: vmclear vmcss on all cpus when doing kdump if necessary References: <50ADE0C2.1000106@cn.fujitsu.com> In-Reply-To: <50ADE0C2.1000106@cn.fujitsu.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-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: "Eric W. Biederman" Cc: Marcelo Tosatti , Gleb Natapov , "kvm@vger.kernel.org" , "x86@kernel.org" , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" SGVsbG8gRXJpYwoKV291bGQgeW91IGhlbHAgcmV2aWV3IHRoZSBwYXRjaCwgYW5kIGdpdmUgc29t ZSBjb21tZW50cywgcGxlYXNlID8gCgpUaGFua3MKWmhhbmcKCuS6jiAyMDEy5bm0MTHmnIgyMuaX pSAxNjoyMiwgWmhhbmcgWWFuZmVpIOWGmemBkzoKPiBDdXJyZW50bHksIGtkdW1wIGp1c3QgbWFr ZXMgYWxsIHRoZSBsb2dpY2FsIHByb2Nlc3NvcnMgbGVhdmUgVk1YIG9wZXJhdGlvbiBieQo+IGV4 ZWN1dGluZyBWTVhPRkYgaW5zdHJ1Y3Rpb24sIHNvIGFueSBWTUNTcyBhY3RpdmUgb24gdGhlIGxv Z2ljYWwgcHJvY2Vzc29ycyBtYXkKPiBiZSBjb3JydXB0ZWQuIEJ1dCwgc29tZXRpbWVzLCB3ZSBu ZWVkIHRoZSBWTUNTcyB0byBkZWJ1ZyBndWVzdCBpbWFnZXMgY29udGFpbmVkCj4gaW4gdGhlIGhv c3Qgdm1jb3JlLiBUbyBwcmV2ZW50IHRoZSBjb3JydXB0aW9uLCB3ZSBzaG91bGQgVk1DTEVBUiB0 aGUgVk1DU3MgYmVmb3JlCj4gZXhlY3V0aW5nIHRoZSBWTVhPRkYgaW5zdHJ1Y3Rpb24uCj4gCj4g VGhlIHBhdGNoIHNldCBwcm92aWRlcyBhIHdheSB0byBWTUNMRUFSIHZtY3NzIHJlbGF0ZWQgdG8g Z3Vlc3RzIG9uIGFsbCBjcHVzIGJlZm9yZQo+IGV4ZWN1dGluZyB0aGUgVk1YT0ZGIHdoZW4gZG9p bmcga2R1bXAuIFRoaXMgaXMgdXNlZCB0byBlbnN1cmUgdGhlIFZNQ1NzIGluIHRoZQo+IHZtY29y ZSB1cGRhdGVkIGFuZCBub24tY29ycnVwdGVkLgo+IAo+IENoYW5nZWxvZyBmcm9tIHY3IHRvIHY4 Ogo+IDEuIEtFWEVDOiByZWdyZXNzaW9uIGZvciB1c2luZyBuYW1lIGNyYXNoX25vdGlmaWVyX2xp c3QKPiAgICBhbmQgcmVtb3ZlIGNvbW1lbnRzIHJlbGF0ZWQgdG8gS1ZNCj4gICAgYW5kIGp1c3Qg Y2FsbCBmdW5jdGlvbiBhdG9taWNfbm90aWZpZXJfY2FsbF9jaGFpbiBkaXJlY3RseS4KPiAKPiBD aGFuZ2Vsb2cgZnJvbSB2NiB0byB2NzoKPiAxLiBLVk0tSU5URUw6IGluIGhhcmR3YXJlX2Rpc2Fi bGUsIHdlIG5lZWRuJ3QgZGlzYWJsZSB0aGUKPiAgICB2bWNsZWFyLCBzbyByZW1vdmUgaXQuCj4g Cj4gQ2hhbmdlbG9nIGZyb20gdjUgdG8gdjY6Cj4gMS4gS0VYRUM6IHRoZSBhdG9taWMgbm90aWZp ZXIgbGlzdCByZW5hbWVkOgo+ICAgIGNyYXNoX25vdGlmaWVyX2xpc3QgLS0+IHZtY2xlYXJfbm90 aWZpZXJfbGlzdAo+IDIuIEtWTS1JTlRFTDogcHJvdmlkZSBlbXB0eSBmdW5jdGlvbnMgaWYgQ09O RklHX0tFWEVDIGlzCj4gICAgbm90IGRlZmluZWQgYW5kIHJlbW92ZSB1bm5lY2Vzc2FyeSAjaWZk ZWYncy4KPiAKPiBDaGFuZ2Vsb2cgZnJvbSB2NCB0byB2NToKPiAxLiB1c2UgYW4gYXRvbWljIG5v dGlmaWVyIGluc3RlYWQgb2YgZnVuY3Rpb24gY2FsbCwgc28KPiAgICBoYXZlIGFsbCB0aGUgdm1j bGVhciBjb2RlcyBpbiB2bXguYy4KPiAKPiBDaGFuZ2Vsb2cgZnJvbSB2MyB0byB2NDoKPiAxLiBh ZGQgYSBuZXcgcGVyY3B1IHZhcmlhYmxlIHZtY2xlYXJfc2tpcHBlZCB0byBza2lwCj4gICAgdm1j bGVhciBpbiBrZHVtcCBpbiBzb21lIGNvbmRpdGlvbnMuCj4gCj4gQ2hhbmdlbG9nIGZyb20gdjIg dG8gdjM6Cj4gMS4gcmVtb3ZlIHVubmVjZXNzYXJ5IGNvbmRpdGlvbnMgaW4gZnVuY3Rpb24KPiAg ICBjcHVfZW1lcmdlbmN5X2NsZWFyX2xvYWRlZF92bWNzcyBhcyBNYXJjZWxvIHN1Z2dlc3RlZC4K PiAKPiBDaGFuZ2Vsb2cgZnJvbSB2MSB0byB2MjoKPiAxLiByZW1vdmUgdGhlIHN5c2N0bCBhbmQg Y2xlYXIgVk1DU3MgdW5jb25kaXRpb25hbGx5Lgo+IAo+IFpoYW5nIFlhbmZlaSAoMik6Cj4gICB4 ODYva2V4ZWM6IGFkZCBhIG5ldyBhdG9taWMgbm90aWZpZXIgbGlzdCBmb3Iga2R1bXAKPiAgIEtW TS1JTlRFTDogYWRkIGEgbm90aWZpZXIgYW5kIGEgYml0bWFwIHRvIHN1cHBvcnQgVk1DTEVBUiBp biBrZHVtcAo+IAo+ICBhcmNoL3g4Ni9pbmNsdWRlL2FzbS9rZXhlYy5oIHwgICAgMiArCj4gIGFy Y2gveDg2L2tlcm5lbC9jcmFzaC5jICAgICAgfCAgICA5ICsrKysrCj4gIGFyY2gveDg2L2t2bS92 bXguYyAgICAgICAgICAgfCAgIDcwICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKwo+ICAzIGZpbGVzIGNoYW5nZWQsIDgxIGluc2VydGlvbnMoKyksIDAgZGVsZXRpb25z KC0pCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18Ka2V4 ZWMgbWFpbGluZyBsaXN0CmtleGVjQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmlu ZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9rZXhlYwo=