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Thu, 23 Apr 2020 16:40:30 +0100 From: Marc Zyngier To: Paolo Bonzini Subject: [PATCH 1/8] KVM: arm: vgic: Fix limit condition when writing to GICD_I[CS]ACTIVER Date: Thu, 23 Apr 2020 16:40:02 +0100 Message-Id: <20200423154009.4113562-2-maz@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200423154009.4113562-1-maz@kernel.org> References: <20200423154009.4113562-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, alexandru.elisei@arm.com, andre.przywara@arm.com, christoffer.dall@arm.com, julien@xen.org, yuzenghui@huawei.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, stable@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200423_084032_827061_9815016D X-CRM114-Status: GOOD ( 11.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Julien Grall , kvm@vger.kernel.org, Suzuki K Poulose , =?UTF-8?q?Andr=C3=A9=20Przywara?= , Christoffer Dall , stable@vger.kernel.org, James Morse , linux-arm-kernel@lists.infradead.org, Zenghui Yu , Alexandru Elisei , kvmarm@lists.cs.columbia.edu, Julien Thierry Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org V2hlbiBkZWNpZGluZyB3aGV0aGVyIGEgZ3Vlc3QgaGFzIHRvIGJlIHN0b3BwZWQgd2UgY2hlY2sg d2hldGhlciB0aGlzCmlzIGEgcHJpdmF0ZSBpbnRlcnJ1cHQgb3Igbm90LiBVbmZvcnR1bmF0ZWx5 LCB0aGVyZSdzIGFuIG9mZi1ieS1vbmUgYnVnCmhlcmUsIGFuZCB3ZSBmYWlsIHRvIHJlY29nbml6 ZSBhIHdob2xlIHJhbmdlIG9mIGludGVycnVwdHMgYXMgYmVpbmcKZ2xvYmFsIChHSUN2MiBTUElz IDMyLTYzKS4KCkZpeCB0aGUgY29uZGl0aW9uIGZyb20gPiB0byBiZSA+PS4KCkNjOiBzdGFibGVA dmdlci5rZXJuZWwub3JnCkZpeGVzOiBhYmQ3MjI5NjI2YjkzICgiS1ZNOiBhcm0vYXJtNjQ6IFNp bXBsaWZ5IGFjdGl2ZV9jaGFuZ2VfcHJlcGFyZSBhbmQgcGx1ZyByYWNlIikKUmVwb3J0ZWQtYnk6 IEFuZHLDqSBQcnp5d2FyYSA8YW5kcmUucHJ6eXdhcmFAYXJtLmNvbT4KU2lnbmVkLW9mZi1ieTog TWFyYyBaeW5naWVyIDxtYXpAa2VybmVsLm9yZz4KLS0tCiB2aXJ0L2t2bS9hcm0vdmdpYy92Z2lj LW1taW8uYyB8IDQgKystLQogMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMiBkZWxl dGlvbnMoLSkKCmRpZmYgLS1naXQgYS92aXJ0L2t2bS9hcm0vdmdpYy92Z2ljLW1taW8uYyBiL3Zp cnQva3ZtL2FybS92Z2ljL3ZnaWMtbW1pby5jCmluZGV4IDIxOTkzMDI1OTdmYWYuLmQwODVlMDQ3 OTUzZmEgMTAwNjQ0Ci0tLSBhL3ZpcnQva3ZtL2FybS92Z2ljL3ZnaWMtbW1pby5jCisrKyBiL3Zp cnQva3ZtL2FybS92Z2ljL3ZnaWMtbW1pby5jCkBAIC00NDQsNyArNDQ0LDcgQEAgc3RhdGljIHZv aWQgdmdpY19tbWlvX2NoYW5nZV9hY3RpdmUoc3RydWN0IGt2bV92Y3B1ICp2Y3B1LCBzdHJ1Y3Qg dmdpY19pcnEgKmlycSwKIHN0YXRpYyB2b2lkIHZnaWNfY2hhbmdlX2FjdGl2ZV9wcmVwYXJlKHN0 cnVjdCBrdm1fdmNwdSAqdmNwdSwgdTMyIGludGlkKQogewogCWlmICh2Y3B1LT5rdm0tPmFyY2gu dmdpYy52Z2ljX21vZGVsID09IEtWTV9ERVZfVFlQRV9BUk1fVkdJQ19WMyB8fAotCSAgICBpbnRp ZCA+IFZHSUNfTlJfUFJJVkFURV9JUlFTKQorCSAgICBpbnRpZCA+PSBWR0lDX05SX1BSSVZBVEVf SVJRUykKIAkJa3ZtX2FybV9oYWx0X2d1ZXN0KHZjcHUtPmt2bSk7CiB9CiAKQEAgLTQ1Miw3ICs0 NTIsNyBAQCBzdGF0aWMgdm9pZCB2Z2ljX2NoYW5nZV9hY3RpdmVfcHJlcGFyZShzdHJ1Y3Qga3Zt X3ZjcHUgKnZjcHUsIHUzMiBpbnRpZCkKIHN0YXRpYyB2b2lkIHZnaWNfY2hhbmdlX2FjdGl2ZV9m aW5pc2goc3RydWN0IGt2bV92Y3B1ICp2Y3B1LCB1MzIgaW50aWQpCiB7CiAJaWYgKHZjcHUtPmt2 bS0+YXJjaC52Z2ljLnZnaWNfbW9kZWwgPT0gS1ZNX0RFVl9UWVBFX0FSTV9WR0lDX1YzIHx8Ci0J ICAgIGludGlkID4gVkdJQ19OUl9QUklWQVRFX0lSUVMpCisJICAgIGludGlkID49IFZHSUNfTlJf UFJJVkFURV9JUlFTKQogCQlrdm1fYXJtX3Jlc3VtZV9ndWVzdCh2Y3B1LT5rdm0pOwogfQogCi0t IAoyLjI2LjIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1hcm0ta2VybmVsCg==