From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Need some advices on how to workaround a hardware bug Date: Fri, 30 Mar 2018 13:14:29 +0800 Message-ID: <20180330051427.GA74182@skl-4s-chao.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org SGksCgpJIG1ldCBhbiBFUFQgdmlvbGF0aW9uIGFuZCB0aGVuIHRoZSBndWVzdCB3YXMgZGVzdHJv eWVkIGJ5IFhlbgphZnRlciBhc3NpZ25pbmcgYSBkZXZpY2UgdG8gdGhlIGd1ZXN0LiBBZnRlciBz b21lIGludmVzdGlnYXRpb24sIEkgZm91bmQKaXQgaXMgY2F1c2VkIGJ5IHRoZSBkZXZpY2UgaXNu J3QgYSBzdGFuZGFyZCBQQ0kgZGV2aWNlIC0tIGl0cyBNU0kteCBQQkEKbG9jYXRlcyBpbiB0aGUg c2FtZSA0ay1ieXRlIHBhZ2Ugd2l0aCBvdGhlciBDU1IuIFdoZW4gdGhlIGRyaXZlciBpbgpndWVz dCB3cml0ZXMgdGhlIHJlZ2lzdGVycyBpbiB0aGF0IHBhZ2UsIGFuIEVQVCB2aW9sYXRpb24gaGFw cGVucyBiZWNhdXNlCnRoZSBQQkEgcGFnZSBpcyBtYXJrZWQgYXMgcmVhZC1vbmx5IGJ5IHRoZSBi ZWxvdyBsaW5lIGluCm1zaXhfY2FwYWJpbGl0eV9pbml0KCkKICAgICAgICBpZiAoIHJhbmdlc2V0 X2FkZF9yYW5nZShtbWlvX3JvX3JhbmdlcywgbXNpeC0+cGJhLmZpcnN0LAoJICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICBtc2l4LT5wYmEubGFzdCkgKQpUaGUgcmVhc29uIHdoeSBYZW4g bWFya3MgdGhpcyBwYWdlIHJlYWQtb25seSBJIHRoaW5rIGlzIFBDSSBTUEVDIHNheXM6CglTb2Z0 d2FyZSBzaG91bGQgbmV2ZXIgd3JpdGUsIGFuZCBzaG91bGQgb25seSByZWFkIFBlbmRpbmcgQml0 cy4KCUlmIHNvZnR3YXJlIHdyaXRlcyB0byBQZW5kaW5nIEJpdHMsIHRoZSByZXN1bHQgaXMgdW5k ZWZpbmVkClRoZW4gWGVuIGdvZXMgdGhyb3VnaCBhbGwgcmVnaXN0ZXJlZCBNTUlPIHJhbmdlIGFu ZCBmaW5kcyB0aGlzIGFkZHJlc3MKaGFzbid0IGJlZW4gcmVnaXN0ZXJlZC4gVGh1cyBpdCBkZXN0 cm95cyB0aGUgZ3Vlc3QuCgpJIHBsYW4gdG8gd29yayBvdXQgYSB3b3JrYXJvdW5kIGZvciB0aGlz IGlzc3VlIHRvIGFsbG93IFhlbiBndWVzdCAoYWxzbwpkb20wIGlmIGRvbTAgdXNlcyBFUFQ/IG5v dCBzdXJlKSB0byB1c2UgZGV2aWNlcyBlZmZpY2llbnRseSB3aGljaAp2aW9sYXRlIFBDSSBTUEVD IGluIHRoaXMgd2F5LiBDdXJyZW50bHksIHRoZXJlIGFyZSB0d28gb3B0aW9ucyAoRVBUIFNQUApt aWdodCBwcm92aWRlIGEgcGVyZmVjdCBzb2x1dGlvbikgOgoKT25lIGlzIHRyYXBwaW5nIHRoZSBw YWdlIHdoZXJlIFBCQSBsb2NhdGVzIGFuZCBpZ25vcmluZyB3cml0ZXMgdG8gUEJBIGFuZAphcHBs eSB3cml0ZXMgdG8gb3RoZXIgZmllbGRzIGluIHRoZSBzYW1lIHBhZ2UuIEl0IHdvdWxkIGluY3Vy IHNpZ25pZmljYW50CnBlcmZvcm1hbmNlIGRlZ3JhZGF0aW9uIGlmIHRoaXMgcGFnZSBpcyBhY2Nl c3NlZCBmcmVxdWVudGx5LiBJbiBvcmRlcgp0byBtaXRpZ2F0ZSB0aGUgcGVyZm9ybWFuY2UgZHJv cCwgYSBwYXRjaCB0byB0cmFwIFBCQSBsYXppbHkgbGlrZSB3aGF0CnFlbXUgZG9lcyBbMV0gaXMg bmVlZGVkLgoKVGhlIG90aGVyIGlzIERvIG5vdCB0cmFwIGFjY2Vzc2VzIHRvIHRoZSBwYWdlIHdo ZXJlIFBCQSBsb2NhdGVzLiBJbiB0aGlzCm9wdGlvbiwgYWxsIGFjY2Vzc2VzIHRvIHRoZSBwYWdl IHdpbGwgZ28gdG8gaGFyZHdhcmUgZGV2aWNlIHdpdGhvdXQKWGVuJ3MgaW50ZXJjZXB0aW9uLiBJ IHRoaW5rIG9uZSBjb25jZXJuIHdvdWxkIGJlIHdoZXRoZXIgdGhpcyBvcHRpb24Kd291bGQgbGVh ZCB0byBicmluZyBzb21lIHNlY3VyaXR5IGhvbGVzLCBjb21wYXJlZCB3aXRoIHRyYXBwaW5nIHRo ZXNlIGFjY2Vzc2VzLgpJbiBteSBtaW5kLCB0aGUgYW5zd2VyIGlzIG5vIGJlY2F1c2UgWGVuIGV2 ZW4gZG9lc24ndCByZWFkIFBCQS4gQSBjb3JuZXIKY2FzZSBmb3IgdGhpcyBvcHRpb24gbWlnaHQg YmUgUEJBIHJlc2lkZXMgaW4gdGhlIHNhbWUgcGFnZSB3aXRoIE1TSXggdGFibGUsCndoaWNoIGlz IGFsbG93ZWQgYWNjb3JkaW5nIHRvIHRoZSBmb2xsb3dpbmcgZGVzY3JpcHRpb24gaW4gUENJIFNQ RUM6CglUaGUgTVNJLVggVGFibGUgYW5kIE1TSS1YIFBCQSBhcmUgcGVybWl0dGVkIHRvIGNvLXJl c2lkZSB3aXRoaW4gYQoJbmF0dXJhbGx5IGFsaWduZWQgNC1LQiBhZGRyZXNzIHJhbmdlLCB0aG91 Z2ggdGhleSBtdXN0IG5vdCBvdmVybGFwIHdpdGgKCWVhY2ggb3RoZXIuCgpXaGljaCBvbmUgZG8g eW91IHRoaW5rIGlzIGJldHRlcj8gb3IgYW55IG90aGVyIHRob3VnaHRzIGFib3V0IGhvdyB0bwp3 b3JrYXJvdW5kIHRoaXMgY2FzZT8KClsxXTpodHRwczovL2dpdC5xZW11Lm9yZy8/cD1xZW11Lmdp dDthPWNvbW1pdDtoPTk1MjM5ZTE2MjUxOGRjNjU3NzE2NGJlM2Q5YTc4OWFiYTdmNTkxYTMKClRo YW5rcwpDaGFvCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpo dHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs