From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefano Stabellini <sstabellini@kernel.org>
Subject: [PATCH v4 2/2] arm: proper ordering for correct
	execution of gic_update_one_lr and vgic_store_itargetsr
Date: Fri, 10 Feb 2017 18:05:23 -0800
Message-ID: <1486778723-25586-2-git-send-email-sstabellini@kernel.org>
References: <1486778723-25586-1-git-send-email-sstabellini@kernel.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta6.messagelabs.com ([193.109.254.103])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <sstabellini@kernel.org>) id 1ccN47-0001Ak-IK
 for xen-devel@lists.xenproject.org; Sat, 11 Feb 2017 02:05:31 +0000
In-Reply-To: <1486778723-25586-1-git-send-email-sstabellini@kernel.org>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: xen-devel@lists.xenproject.org
Cc: julien.grall@arm.com, sstabellini@kernel.org
List-Id: xen-devel@lists.xenproject.org

Q29uY3VycmVudCBleGVjdXRpb24gb2YgZ2ljX3VwZGF0ZV9vbmVfbHIgYW5kIHZnaWNfc3RvcmVf
aXRhcmdldHNyIGNhbgpyZXN1bHQgaW4gdGhlIHdyb25nIHBjcHUgYmVpbmcgc2V0IGFzIGlycSB0
YXJnZXQsIHNlZQpodHRwOi8vbWFyYy5pbmZvLz9sPXhlbi1kZXZlbCZtPTE0ODIxODY2NzEwNDA3
Mi4KClRvIHNvbHZlIHRoZSBpc3N1ZSwgYWRkIGJhcnJpZXJzLCByZW1vdmUgYW4gaXJxIGZyb20g
dGhlIGluZmxpZ2h0CnF1ZXVlLCBvbmx5IGFmdGVyIHRoZSBhZmZpbml0eSBoYXMgYmVlbiBzZXQu
IE9uIHRoZSBvdGhlciBlbmQsIHdyaXRlIHRoZQpuZXcgdmNwdSB0YXJnZXQsIGJlZm9yZSBjaGVj
a2luZyBHSUNfSVJRX0dVRVNUX01JR1JBVElORyBhbmQgaW5mbGlnaHQuCgpTaWduZWQtb2ZmLWJ5
OiBTdGVmYW5vIFN0YWJlbGxpbmkgPHNzdGFiZWxsaW5pQGtlcm5lbC5vcmc+Ci0tLQogeGVuL2Fy
Y2gvYXJtL2dpYy5jICAgICB8IDMgKystCiB4ZW4vYXJjaC9hcm0vdmdpYy12Mi5jIHwgNCArKy0t
CiB4ZW4vYXJjaC9hcm0vdmdpYy12My5jIHwgNCArKystCiAzIGZpbGVzIGNoYW5nZWQsIDcgaW5z
ZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vZ2lj
LmMgYi94ZW4vYXJjaC9hcm0vZ2ljLmMKaW5kZXggYTUzNDhmMi4uYmI1Mjk1OSAxMDA2NDQKLS0t
IGEveGVuL2FyY2gvYXJtL2dpYy5jCisrKyBiL3hlbi9hcmNoL2FybS9naWMuYwpAQCAtNTAzLDEy
ICs1MDMsMTMgQEAgc3RhdGljIHZvaWQgZ2ljX3VwZGF0ZV9vbmVfbHIoc3RydWN0IHZjcHUgKnYs
IGludCBpKQogICAgICAgICAgICAgICF0ZXN0X2JpdChHSUNfSVJRX0dVRVNUX01JR1JBVElORywg
JnAtPnN0YXR1cykgKQogICAgICAgICAgICAgZ2ljX3JhaXNlX2d1ZXN0X2lycSh2LCBpcnEsIHAt
PnByaW9yaXR5KTsKICAgICAgICAgZWxzZSB7Ci0gICAgICAgICAgICBsaXN0X2RlbF9pbml0KCZw
LT5pbmZsaWdodCk7CiAgICAgICAgICAgICBpZiAoIHRlc3RfYW5kX2NsZWFyX2JpdChHSUNfSVJR
X0dVRVNUX01JR1JBVElORywgJnAtPnN0YXR1cykgKQogICAgICAgICAgICAgewogICAgICAgICAg
ICAgICAgIHN0cnVjdCB2Y3B1ICp2X3RhcmdldCA9IHZnaWNfZ2V0X3RhcmdldF92Y3B1KHYsIGly
cSk7CiAgICAgICAgICAgICAgICAgaXJxX3NldF9hZmZpbml0eShwLT5kZXNjLCBjcHVtYXNrX29m
KHZfdGFyZ2V0LT5wcm9jZXNzb3IpKTsKICAgICAgICAgICAgIH0KKyAgICAgICAgICAgIHNtcF9t
YigpOworICAgICAgICAgICAgbGlzdF9kZWxfaW5pdCgmcC0+aW5mbGlnaHQpOwogICAgICAgICB9
CiAgICAgfQogfQpkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL3ZnaWMtdjIuYyBiL3hlbi9hcmNo
L2FybS92Z2ljLXYyLmMKaW5kZXggYjMwMzc5ZS4uZjQ3Mjg2ZSAxMDA2NDQKLS0tIGEveGVuL2Fy
Y2gvYXJtL3ZnaWMtdjIuYworKysgYi94ZW4vYXJjaC9hcm0vdmdpYy12Mi5jCkBAIC0xNTMsNiAr
MTUzLDggQEAgc3RhdGljIHZvaWQgdmdpY19zdG9yZV9pdGFyZ2V0c3Ioc3RydWN0IGRvbWFpbiAq
ZCwgc3RydWN0IHZnaWNfaXJxX3JhbmsgKnJhbmssCiAgICAgICAgIG5ld190YXJnZXQtLTsKIAog
ICAgICAgICBvbGRfdGFyZ2V0ID0gcmVhZF9hdG9taWMoJnJhbmstPnZjcHVbb2Zmc2V0XSk7Cisg
ICAgICAgIHdyaXRlX2F0b21pYygmcmFuay0+dmNwdVtvZmZzZXRdLCBuZXdfdGFyZ2V0KTsKKyAg
ICAgICAgc21wX21iKCk7CiAKICAgICAgICAgLyogT25seSBtaWdyYXRlIHRoZSB2SVJRIGlmIHRo
ZSB0YXJnZXQgdkNQVSBoYXMgY2hhbmdlZCAqLwogICAgICAgICBpZiAoIG5ld190YXJnZXQgIT0g
b2xkX3RhcmdldCApCkBAIC0xNjEsOCArMTYzLDYgQEAgc3RhdGljIHZvaWQgdmdpY19zdG9yZV9p
dGFyZ2V0c3Ioc3RydWN0IGRvbWFpbiAqZCwgc3RydWN0IHZnaWNfaXJxX3JhbmsgKnJhbmssCiAg
ICAgICAgICAgICAgICAgICAgICAgICAgICAgIGQtPnZjcHVbbmV3X3RhcmdldF0sCiAgICAgICAg
ICAgICAgICAgICAgICAgICAgICAgIHZpcnEpOwogICAgICAgICB9Ci0KLSAgICAgICAgd3JpdGVf
YXRvbWljKCZyYW5rLT52Y3B1W29mZnNldF0sIG5ld190YXJnZXQpOwogICAgIH0KIH0KIApkaWZm
IC0tZ2l0IGEveGVuL2FyY2gvYXJtL3ZnaWMtdjMuYyBiL3hlbi9hcmNoL2FybS92Z2ljLXYzLmMK
aW5kZXggN2RjOWI2Zi4uZTgyNjY2NiAxMDA2NDQKLS0tIGEveGVuL2FyY2gvYXJtL3ZnaWMtdjMu
YworKysgYi94ZW4vYXJjaC9hcm0vdmdpYy12My5jCkBAIC0xNTAsMTEgKzE1MCwxMyBAQCBzdGF0
aWMgdm9pZCB2Z2ljX3N0b3JlX2lyb3V0ZXIoc3RydWN0IGRvbWFpbiAqZCwgc3RydWN0IHZnaWNf
aXJxX3JhbmsgKnJhbmssCiAgICAgaWYgKCAhbmV3X3ZjcHUgKQogICAgICAgICByZXR1cm47CiAK
KyAgICB3cml0ZV9hdG9taWMoJnJhbmstPnZjcHVbb2Zmc2V0XSwgbmV3X3ZjcHUtPnZjcHVfaWQp
OworICAgIHNtcF9tYigpOworCiAgICAgLyogT25seSBtaWdyYXRlIHRoZSBJUlEgaWYgdGhlIHRh
cmdldCB2Q1BVIGhhcyBjaGFuZ2VkICovCiAgICAgaWYgKCBuZXdfdmNwdSAhPSBvbGRfdmNwdSAp
CiAgICAgICAgIHZnaWNfbWlncmF0ZV9pcnEob2xkX3ZjcHUsIG5ld192Y3B1LCB2aXJxKTsKIAot
ICAgIHdyaXRlX2F0b21pYygmcmFuay0+dmNwdVtvZmZzZXRdLCBuZXdfdmNwdS0+dmNwdV9pZCk7
CiB9CiAKIHN0YXRpYyBpbmxpbmUgYm9vbCB2Z2ljX3JlZzY0X2NoZWNrX2FjY2VzcyhzdHJ1Y3Qg
aHNyX2RhYnQgZGFidCkKLS0gCjEuOS4xCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMu
eGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==