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Thu, 12 Dec 2019 18:28:44 +0100 From: Marc Zyngier To: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [PATCH 7/8] KVM: arm64: Ensure 'params' is initialised when looking up sys register Date: Thu, 12 Dec 2019 17:28:23 +0000 Message-Id: <20191212172824.11523-8-maz@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191212172824.11523-1-maz@kernel.org> References: <20191212172824.11523-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, rkrcmar@redhat.com, alexandru.elisei@arm.com, ard.biesheuvel@linaro.org, christoffer.dall@arm.com, eric.auger@redhat.com, james.morse@arm.com, justin.he@arm.com, mark.rutland@arm.com, linmiaohe@huawei.com, steven.price@arm.com, will@kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, stable@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on cheepnis.misterjones.org); SAEximRunCond expanded to false Cc: Jia He , kvm@vger.kernel.org, Ard Biesheuvel , Will Deacon , stable@vger.kernel.org, Steven Price , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu RnJvbTogV2lsbCBEZWFjb24gPHdpbGxAa2VybmVsLm9yZz4KCkNvbW1pdCA0YjkyN2I5NGQ1ZGYg KCJLVk06IGFybS9hcm02NDogdmdpYzogSW50cm9kdWNlIGZpbmRfcmVnX2J5X2lkKCkiKQppbnRy b2R1Y2VkICdmaW5kX3JlZ19ieV9pZCgpJywgd2hpY2ggbG9va3MgdXAgYSBzeXN0ZW0gcmVnaXN0 ZXIgb25seSBpZgp0aGUgJ2lkJyBpbmRleCBwYXJhbWV0ZXIgaWRlbnRpZmllcyBhIHZhbGlkIHN5 c3RlbSByZWdpc3Rlci4gQXMgcGFydCBvZgp0aGUgcGF0Y2gsIGV4aXN0aW5nIGNhbGxlcnMgb2Yg J2ZpbmRfcmVnKCknIHdlcmUgcG9ydGVkIG92ZXIgdG8gdGhlIG5ldwppbnRlcmZhY2UsIGJ1dCB0 aGlzIGJyZWFrcyAnaW5kZXhfdG9fc3lzX3JlZ19kZXNjKCknIGluIHRoZSBjYXNlIHRoYXQgdGhl CmluaXRpYWwgbG9va3VwIGluIHRoZSB2Q1BVIHRhcmdldCB0YWJsZSBmYWlscyBiZWNhdXNlIHdl IHdpbGwgdGhlbiBjYWxsCmludG8gJ2ZpbmRfcmVnKCknIGZvciB0aGUgc3lzdGVtIHJlZ2lzdGVy IHRhYmxlIHdpdGggYW4gdW5pbml0aWFsaXNlZAoncGFyYW0nIGFzIHRoZSBrZXkgdG8gdGhlIGxv b2t1cC4KCkdDQyAxMCBpcyBicmlnaHQgZW5vdWdoIHRvIHNwb3QgdGhpcyAoYW1vbmdzdCBhIHRv bm5lIG9mIGZhbHNlIHBvc2l0aXZlcywKYnV0IGhleSEpOgoKICB8IGFyY2gvYXJtNjQva3ZtL3N5 c19yZWdzLmM6IEluIGZ1bmN0aW9uIOKAmGluZGV4X3RvX3N5c19yZWdfZGVzYy5wYXJ0LjAuaXNy YeKAmToKICB8IGFyY2gvYXJtNjQva3ZtL3N5c19yZWdzLmM6OTgzOjMzOiB3YXJuaW5nOiDigJhw YXJhbXMuT3Ay4oCZIG1heSBiZSB1c2VkIHVuaW5pdGlhbGl6ZWQgaW4gdGhpcyBmdW5jdGlvbiBb LVdtYXliZS11bmluaXRpYWxpemVkXQogIHwgICA5ODMgfCAgICh1MzIpKHgpLT5DUm4sICh1MzIp KHgpLT5DUm0sICh1MzIpKHgpLT5PcDIpOwogIHwgWy4uLl0KClJldmVydCB0aGUgaHVuayBvZiA0 YjkyN2I5NGQ1ZGYgd2hpY2ggYnJlYWtzICdpbmRleF90b19zeXNfcmVnX2Rlc2MoKScgc28KdGhh dCB0aGUgb2xkIGJlaGF2aW91ciBvZiBjaGVja2luZyB0aGUgaW5kZXggdXBmcm9udCBpcyByZXN0 b3JlZC4KCkZpeGVzOiA0YjkyN2I5NGQ1ZGYgKCJLVk06IGFybS9hcm02NDogdmdpYzogSW50cm9k dWNlIGZpbmRfcmVnX2J5X2lkKCkiKQpTaWduZWQtb2ZmLWJ5OiBXaWxsIERlYWNvbiA8d2lsbEBr ZXJuZWwub3JnPgpTaWduZWQtb2ZmLWJ5OiBNYXJjIFp5bmdpZXIgPG1hekBrZXJuZWwub3JnPgpD YzogPHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmc+Ckxpbms6IGh0dHBzOi8vbG9yZS5rZXJuZWwub3Jn L3IvMjAxOTEyMTIwOTQwNDkuMTI0MzctMS13aWxsQGtlcm5lbC5vcmcKLS0tCiBhcmNoL2FybTY0 L2t2bS9zeXNfcmVncy5jIHwgNSArKysrLQogMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygr KSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2FyY2gvYXJtNjQva3ZtL3N5c19yZWdzLmMg Yi9hcmNoL2FybTY0L2t2bS9zeXNfcmVncy5jCmluZGV4IGJkMmFjMzc5NmQ4ZC4uZDc4YjcyNmQ0 NzIyIDEwMDY0NAotLS0gYS9hcmNoL2FybTY0L2t2bS9zeXNfcmVncy5jCisrKyBiL2FyY2gvYXJt NjQva3ZtL3N5c19yZWdzLmMKQEAgLTIzNjQsOCArMjM2NCwxMSBAQCBzdGF0aWMgY29uc3Qgc3Ry dWN0IHN5c19yZWdfZGVzYyAqaW5kZXhfdG9fc3lzX3JlZ19kZXNjKHN0cnVjdCBrdm1fdmNwdSAq dmNwdSwKIAlpZiAoKGlkICYgS1ZNX1JFR19BUk1fQ09QUk9DX01BU0spICE9IEtWTV9SRUdfQVJN NjRfU1lTUkVHKQogCQlyZXR1cm4gTlVMTDsKIAorCWlmICghaW5kZXhfdG9fcGFyYW1zKGlkLCAm cGFyYW1zKSkKKwkJcmV0dXJuIE5VTEw7CisKIAl0YWJsZSA9IGdldF90YXJnZXRfdGFibGUodmNw dS0+YXJjaC50YXJnZXQsIHRydWUsICZudW0pOwotCXIgPSBmaW5kX3JlZ19ieV9pZChpZCwgJnBh cmFtcywgdGFibGUsIG51bSk7CisJciA9IGZpbmRfcmVnKCZwYXJhbXMsIHRhYmxlLCBudW0pOwog CWlmICghcikKIAkJciA9IGZpbmRfcmVnKCZwYXJhbXMsIHN5c19yZWdfZGVzY3MsIEFSUkFZX1NJ WkUoc3lzX3JlZ19kZXNjcykpOwogCi0tIAoyLjIwLjEKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmt2bWFybSBtYWlsaW5nIGxpc3QKa3ZtYXJtQGxpc3Rz LmNzLmNvbHVtYmlhLmVkdQpodHRwczovL2xpc3RzLmNzLmNvbHVtYmlhLmVkdS9tYWlsbWFuL2xp c3RpbmZvL2t2bWFybQo=