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spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iY8Kl-0002AI-KO; Fri, 22 Nov 2019 12:46:47 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iY8Kk-0002AD-JI for xen-devel@lists.xenproject.org; Fri, 22 Nov 2019 12:46:46 +0000 X-Inumbo-ID: 23c2df70-0d26-11ea-a350-12813bfff9fa Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 23c2df70-0d26-11ea-a350-12813bfff9fa; Fri, 22 Nov 2019 12:46:45 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 3C78CB436; Fri, 22 Nov 2019 12:46:44 +0000 (UTC) To: "xen-devel@lists.xenproject.org" From: Jan Beulich Message-ID: Date: Fri, 22 Nov 2019 13:46:46 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 Content-Language: en-US Subject: [Xen-devel] [PATCH] x86: avoid HPET use on certain Intel platforms X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Andrew Cooper , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" TGludXggY29tbWl0IGZjNWRiNTg1MzliNDkzNTFlNzZmMTk4MTdlZDExMDJiZjdjNzEyZDAgc2F5 cwoKIlNvbWUgQ29mZmVlIExha2UgcGxhdGZvcm1zIGhhdmUgYSBza2V3ZWQgSFBFVCB0aW1lciBv bmNlIHRoZSBTb0NzIGVudGVyZWQKIFBDMTAsIHdoaWNoIGluIGNvbnNlcXVlbmNlIG1hcmtzIFRT QyBhcyB1bnN0YWJsZSBiZWNhdXNlIEhQRVQgaXMgdXNlZCBhcwogd2F0Y2hkb2cgY2xvY2tzb3Vy Y2UgZm9yIFRTQy4iCgpGb2xsb3cgdGhpcyBmb3IgWGVuIGFzIHdlbGwuIExvb2tpbmcgYXQgaXRz IHBhdGNoIGNvbnRleHQgbWFkZSBtZSBub3RpY2UKdGhleSBoYXZlIGEgcHJlLWV4aXN0aW5nIHF1 aXJrIGZvciBCYXkgVHJhaWwgYXMgd2VsbC4gVGhlIGNvbW1lbnQgdGhlcmUsCmhvd2V2ZXIsIHBv aW50cyBhdCBhIENoZXJyeSBUcmFpbCBkb2N1bWVudC4gTG9va2luZyBhdCB0aGUgZGF0YXNoZWV0 cyBvZgpib3RoLCB0aGVyZSBhcHBlYXIgdG8gYmUgc2ltaWxhciBpc3N1ZXMsIHNvIGdvIGJleW9u ZCBMaW51eCdlcyBjb3ZlcmFnZQphbmQgZXhjbHVkZSBib3RoLiBBbHNvIGtleSB0aGUgZGlzYWJs ZSBvbiB0aGUgUENJIElEcyBvZiB0aGUgYWN0dWFsCmFmZmVjdGVkIGRldmljZXMsIHJhdGhlciB0 aGFuIHRob3NlIG9mIDAwOjAwLjAuCgpBcHBseSB0aGUgd29ya2Fyb3VuZHMgb25seSB3aGVuIHRo ZSB1c2Ugb2YgSFBFVCB3YXMgbm90IGV4cGxpY2l0bHkKcmVxdWVzdGVkIG9uIHRoZSBjb21tYW5k IGxpbmUgYW5kIHdoZW4gdXNlIG9mIChkZWVwKSBDLXN0YXRlcyB3YXMgbm90CmRpc2FibGVkLgoK QWRqdXN0IGEgZmV3IHR5cGVzIGluIHRvdWNoZWQgb3IgbmVhcmJ5IGNvZGUgYXQgdGhlIHNhbWUg dGltZS4KClNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KCi0t LSBhL3hlbi9hcmNoL3g4Ni90aW1lLmMKKysrIGIveGVuL2FyY2gveDg2L3RpbWUuYwpAQCAtMTgs NiArMTgsNyBAQAogI2luY2x1ZGUgPHhlbi90aW1lci5oPgogI2luY2x1ZGUgPHhlbi9zbXAuaD4K ICNpbmNsdWRlIDx4ZW4vaXJxLmg+CisjaW5jbHVkZSA8eGVuL3BjaV9pZHMuaD4KICNpbmNsdWRl IDx4ZW4vc29mdGlycS5oPgogI2luY2x1ZGUgPHhlbi9lZmkuaD4KICNpbmNsdWRlIDx4ZW4vY3B1 aWRsZS5oPgpAQCAtMzY3LDEyICszNjgsNDEgQEAgc3RhdGljIHU2NCByZWFkX2hwZXRfY291bnQo dm9pZCkKICAgICByZXR1cm4gaHBldF9yZWFkMzIoSFBFVF9DT1VOVEVSKTsKIH0KIAotc3RhdGlj IHM2NCBfX2luaXQgaW5pdF9ocGV0KHN0cnVjdCBwbGF0Zm9ybV90aW1lc291cmNlICpwdHMpCitz dGF0aWMgaW50NjRfdCBfX2luaXQgaW5pdF9ocGV0KHN0cnVjdCBwbGF0Zm9ybV90aW1lc291cmNl ICpwdHMpCiB7Ci0gICAgdTY0IGhwZXRfcmF0ZSA9IGhwZXRfc2V0dXAoKSwgc3RhcnQ7Ci0gICAg dTMyIGNvdW50LCB0YXJnZXQ7CisgICAgdWludDY0X3QgaHBldF9yYXRlLCBzdGFydDsKKyAgICB1 aW50MzJfdCBjb3VudCwgdGFyZ2V0OwogCi0gICAgaWYgKCBocGV0X3JhdGUgPT0gMCApCisgICAg aWYgKCBocGV0X2FkZHJlc3MgJiYgc3RyY21wKG9wdF9jbG9ja3NvdXJjZSwgcHRzLT5pZCkgJiYK KyAgICAgICAgIGNwdWlkbGVfdXNpbmdfZGVlcF9jc3RhdGUoKSApCisgICAgeworICAgICAgICBp ZiAoIHBjaV9jb25mX3JlYWQxNihQQ0lfU0JERigwLCAwLCAweDFmLCAwKSwKKyAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgUENJX1ZFTkRPUl9JRCkgPT0gUENJX1ZFTkRPUl9JRF9JTlRFTCAp CisgICAgICAgICAgICBzd2l0Y2ggKCBwY2lfY29uZl9yZWFkMTYoUENJX1NCREYoMCwgMCwgMHgx ZiwgMCksIFBDSV9ERVZJQ0VfSUQpICkKKyAgICAgICAgICAgIHsKKyAgICAgICAgICAgIC8qIEhQ RVQgb24gQmF5IFRyYWlsIHBsYXRmb3JtcyB3aWxsIGhhbHQgaW4gZGVlcCBDIHN0YXRlcy4gKi8K KyAgICAgICAgICAgIGNhc2UgMHgwZjFjOgorICAgICAgICAgICAgLyogSFBFVCBvbiBDaGVycnkg VHJhaWwgcGxhdGZvcm1zIHdpbGwgaGFsdCBpbiBkZWVwIEMgc3RhdGVzLiAqLworICAgICAgICAg ICAgY2FzZSAweDIyOWM6CisgICAgICAgICAgICAgICAgaHBldF9hZGRyZXNzID0gMDsKKyAgICAg ICAgICAgICAgICBicmVhazsKKyAgICAgICAgICAgIH0KKworICAgICAgICAvKgorICAgICAgICAg KiBTb21lIENvZmZlZSBMYWtlIHBsYXRmb3JtcyBoYXZlIGEgc2tld2VkIEhQRVQgdGltZXIgb25j ZSB0aGUgU29DcworICAgICAgICAgKiBlbnRlcmVkIFBDMTAuCisgICAgICAgICAqLworICAgICAg ICBpZiAoIHBjaV9jb25mX3JlYWQxNihQQ0lfU0JERigwLCAwLCAwLCAwKSwKKyAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgUENJX1ZFTkRPUl9JRCkgPT0gUENJX1ZFTkRPUl9JRF9JTlRFTCAm JgorICAgICAgICAgICAgIHBjaV9jb25mX3JlYWQxNihQQ0lfU0JERigwLCAwLCAwLCAwKSwKKyAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgUENJX0RFVklDRV9JRCkgPT0gMHgzZWM0ICkKKyAg ICAgICAgICAgIGhwZXRfYWRkcmVzcyA9IDA7CisKKyAgICAgICAgaWYgKCAhaHBldF9hZGRyZXNz ICkKKyAgICAgICAgICAgIHByaW50aygiRGlzYWJsaW5nIEhQRVQgZm9yIGJlaW5nIHVucmVsaWFi bGVcbiIpOworICAgIH0KKworICAgIGlmICggKGhwZXRfcmF0ZSA9IGhwZXRfc2V0dXAoKSkgPT0g MCApCiAgICAgICAgIHJldHVybiAwOwogCiAgICAgcHRzLT5mcmVxdWVuY3kgPSBocGV0X3JhdGU7 CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xp c3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs