From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Chen Subject: [PATCH v2 16/19] xen/arm: Introduce a helper to synchronize SError Date: Thu, 30 Mar 2017 17:13:26 +0800 Message-ID: <1490865209-18283-17-git-send-email-Wei.Chen@arm.com> References: <1490865209-18283-1-git-send-email-Wei.Chen@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1490865209-18283-1-git-send-email-Wei.Chen@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: sstabellini@kernel.org, wei.chen@arm.com, steve.capper@arm.com, Kaly.Xin@arm.com, julien.grall@arm.com, nd@arm.com List-Id: xen-devel@lists.xenproject.org SW4gcHJldmlvdXMgcGF0Y2hlcywgd2UgaGF2ZSBwcm92aWRlZCB0aGUgYWJpbGl0eSB0byBzeW5j aHJvbml6ZQpTRXJyb3JzIGluIGV4Y2VwdGlvbiBlbnRyaWVzLiBCdXQgd2UgaGF2ZW4ndCBzeW5j aHJvbml6ZWQgU0Vycm9ycwp3aGlsZSByZXR1cm5pbmcgdG8gZ3Vlc3QgYW5kIGRvaW5nIGNvbnRl eHQgc3dpdGNoLgoKU28gd2Ugc3RpbGwgaGF2ZSB0d28gcmlza3M6CjEuIFNsaXBwaW5nIGh5cGVy dmlzb3IgU0Vycm9ycyB0byBndWVzdC4gRm9yIGV4YW1wbGUsIGh5cGVydmlzb3IKICAgdHJpZ2dl cnMgYSBTRXJyb3Igd2hpbGUgcmV0dXJuaW5nIHRvIGd1ZXN0LCBidXQgdGhpcyBTRXJyb3IgbWF5 IGJlCiAgIGRlbGl2ZXJlZCBhZnRlciBlbnRlcmluZyBndWVzdC4gSW4gIkRJVkVSU0UiIG9wdGlv biwgdGhpcyBTRXJyb3IKICAgd291bGQgYmUgcm91dGVkIGJhY2sgdG8gZ3Vlc3QgYW5kIHBhbmlj IHRoZSBndWVzdC4gQnV0IGFjdHVhbGx5LAogICB3ZSBzaG91bGQgY3Jhc2ggdGhlIHdob2xlIHN5 c3RlbSBkdWUgdG8gdGhpcyBoeXBlcnZpc29yIFNFcnJvci4KMi4gU2xpcHBpbmcgcHJldmlvdXMg Z3Vlc3QgU0Vycm9ycyB0byB0aGUgbmV4dCBndWVzdC4gSW4gIkZPUldBUkQiCiAgIG9wdGlvbiwg aWYgaHlwZXJ2aXNvciB0cmlnZ2VycyBhIFNFcnJvciB3aGlsZSBjb250ZXh0IHN3aXRjaGluZy4K ICAgVGhpcyBTRXJyb3IgbWF5IGJlIGRlbGl2ZXJlZCBhZnRlciBzd2l0Y2hpbmcgdG8gbmV4dCB2 Q1BVLiBJbiB0aGlzCiAgIGNhc2UsIHRoaXMgU0Vycm9yIHdpbGwgYmUgZm9yd2FyZGVkIHRvIG5l eHQgdkNQVSBhbmQgbWF5IHBhbmljCiAgIGFuIGluY29ycmVjdCBndWVzdC4KClNvIHdlIGhhdmUg aGF2ZSB0byBpbnRyb2R1Y2UgdGhpcyBoZWxwZXIgdG8gc3luY2hyb25pemUgU0Vycm9ycyB3aGls ZQpyZXR1cm5pbmcgdG8gZ3Vlc3QgYW5kIGRvaW5nIGNvbnRleHQgc3dpdGNoLgoKVGhpcyBmdW5j dGlvbiBzaG91bGQgYmUgdXNlZCBvdXQgb2YgdHJhcC5jIGluIGxhdGVyIHBhdGNoIG9mIHRoaXMK c2VyaWVzLiBXZSBoYXZlIHRvIGV4cG9ydCB0aGlzIGhlbHBlciBpbiBoZWFkZXIgZmlsZS4KClNp Z25lZC1vZmYtYnk6IFdlaSBDaGVuIDxXZWkuQ2hlbkBhcm0uY29tPgpSZXZpZXdlZC1ieTogU3Rl ZmFubyBTdGFiZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPgotLS0KdjEtPnYyOgoxLiBV cGRhdGUgY29tbWl0IG1lc3NhZ2UgdG8gZXhwbGFpbiB3aHkgd2UgaW50cm9kdWNlIHRoaXMgaGVs cGVyLgoyLiBSZW1vdmUgc3RhdGljIGZvciB0aGlzIGhlbHBlci4KMy4gQWRkIFN0ZWZhbm8ncyBS ZXZpZXdlZC1ieSB0YWcuCi0tLQogeGVuL2FyY2gvYXJtL3RyYXBzLmMgICAgICAgICAgICB8IDkg KysrKysrKysrCiB4ZW4vaW5jbHVkZS9hc20tYXJtL3Byb2Nlc3Nvci5oIHwgMiArKwogMiBmaWxl cyBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL3Ry YXBzLmMgYi94ZW4vYXJjaC9hcm0vdHJhcHMuYwppbmRleCBmNDU0ZmI1Li41NWQ4NWVkIDEwMDY0 NAotLS0gYS94ZW4vYXJjaC9hcm0vdHJhcHMuYworKysgYi94ZW4vYXJjaC9hcm0vdHJhcHMuYwpA QCAtMjg4MSw2ICsyODgxLDE1IEBAIGFzbWxpbmthZ2Ugdm9pZCBkb190cmFwX2h5cGVydmlzb3Io c3RydWN0IGNwdV91c2VyX3JlZ3MgKnJlZ3MpCiAgICAgfQogfQogCit2b2lkIHN5bmNocm9uaXpl X3NlcnJvcih2b2lkKQoreworICAgIC8qIFN5bmNocm9uaXplIGFnYWluc3QgaW4tZmxpZ2h0IGxk L3N0LiAqLworICAgIGRzYihzeSk7CisKKyAgICAvKiBBIHNpbmdsZSBpbnN0cnVjdGlvbiBleGNl cHRpb24gd2luZG93ICovCisgICAgaXNiKCk7Cit9CisKIGFzbWxpbmthZ2Ugdm9pZCBkb190cmFw X2h5cF9zZXJyb3Ioc3RydWN0IGNwdV91c2VyX3JlZ3MgKnJlZ3MpCiB7CiAgICAgZW50ZXJfaHlw ZXJ2aXNvcl9oZWFkKHJlZ3MpOwpkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNtLWFybS9wcm9j ZXNzb3IuaCBiL3hlbi9pbmNsdWRlL2FzbS1hcm0vcHJvY2Vzc29yLmgKaW5kZXggZWFkNmFkMy4u M2ViYmU1NyAxMDA2NDQKLS0tIGEveGVuL2luY2x1ZGUvYXNtLWFybS9wcm9jZXNzb3IuaAorKysg Yi94ZW4vaW5jbHVkZS9hc20tYXJtL3Byb2Nlc3Nvci5oCkBAIC03MjEsNiArNzIxLDggQEAgdm9p ZCBhYm9ydF9ndWVzdF9leGl0X2VuZCh2b2lkKTsKICAgICAoICh1bnNpZ25lZCBsb25nKWFib3J0 X2d1ZXN0X2V4aXRfZW5kID09IChyKS0+cGMgKSBcCiApCiAKK3ZvaWQgc3luY2hyb25pemVfc2Vy cm9yKHZvaWQpOworCiAjZW5kaWYgLyogX19BU1NFTUJMWV9fICovCiAjZW5kaWYgLyogX19BU01f QVJNX1BST0NFU1NPUl9IICovCiAvKgotLSAKMi43LjQKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZl bEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK