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Thu, 12 Aug 2021 19:03:36 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mEFyM-00AxYc-OH for linux-arm-kernel@lists.infradead.org; Thu, 12 Aug 2021 19:02:39 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 79232610A7; Thu, 12 Aug 2021 19:02:34 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mEFyK-004c9r-SQ; Thu, 12 Aug 2021 20:02:32 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Will Deacon , Catalin Marinas , Mark Rutland , Ard Biesheuvel , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, kernel-team@android.com Subject: [PATCH 3/5] arm64: Detect disabled HVC early Date: Thu, 12 Aug 2021 20:02:11 +0100 Message-Id: <20210812190213.2601506-4-maz@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210812190213.2601506-1-maz@kernel.org> References: <20210812190213.2601506-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, zajec5@gmail.com, will@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com, ardb@kernel.org, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, kernel-team@android.com 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-20210812_120234_873934_B0B0D308 X-CRM114-Status: GOOD ( 15.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGF2aW5nIEhWQyBkaXNhYmxlZCBmcm9tIEVMMyB3aGlsZSB0aGUga2VybmVsIGlzIGVudGVyZWQg YXQgRUwyCmlzIGEgY29tcGxldGUgbmlnaHRtYXJlLgoKV2UgZW5kLXVwIHRha2luZyBhbiBVTkRF RiBhdCB0aGUgd29yc2UgcG9zc2libGUgbW9tZW50IChjaGVja2luZwpmb3IgVkhFKSBhbmQgZXZl biBpZiB3ZSBkaWRuJ3QsIGhhdmluZyBLVk0gZW5hYmxlZCB3b3VsZCBzaWduaWZ5CnRoZSBwcmVt YXR1cmUgZW5kIG9mIHRoZSBrZXJuZWwuCgpJbnN0ZWFkLCB0cnkgYW5kIGRldGVjdCB0aGlzIHN0 dXBpZCBjYXNlIGJ5IGlzc3VpbmcgYSBIVkMKZm9yIEhWQ19SRVNFVF9WRUNUT1JTLCB3aGljaCBk b2VzIG5vdGhpbmcgd2hlbiB0aGUgc3R1YnMKYXJlIGxpdmUuIElmIHdlIGdldCBIVkNfU1RVQl9F UlIgYmFjaywgdGhhdCdzIGJlY2F1c2UgdGhlClVOREVGIGhhbmRsZXIgaGFzIGtpY2tlZCBpbi4K CkluIHRoaXMgc2l0dWF0aW9uLCBjbG9zZSB5b3VyIGV5ZXMsIGJsb2NrIHlvdXIgbm9zZSwgYW5k IGdyYWNlZnVsbHkKcHJldGVuZCB3ZSBoYXZlIGJvb3RlZCBhdCBFTDEuCgpSZXBvcnRlZC1ieTog UmFmYcWCIE1pxYJlY2tpIDx6YWplYzVAZ21haWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBNYXJjIFp5 bmdpZXIgPG1hekBrZXJuZWwub3JnPgotLS0KIGFyY2gvYXJtNjQva2VybmVsL2hlYWQuUyB8IDIy ICsrKysrKysrKysrKysrKysrKysrKysKIDEgZmlsZSBjaGFuZ2VkLCAyMiBpbnNlcnRpb25zKCsp CgpkaWZmIC0tZ2l0IGEvYXJjaC9hcm02NC9rZXJuZWwvaGVhZC5TIGIvYXJjaC9hcm02NC9rZXJu ZWwvaGVhZC5TCmluZGV4IDlkNWFhNTZhOThjYy4uZDZiMmIwNWY1ZDNhIDEwMDY0NAotLS0gYS9h cmNoL2FybTY0L2tlcm5lbC9oZWFkLlMKKysrIGIvYXJjaC9hcm02NC9rZXJuZWwvaGVhZC5TCkBA IC01MTksNiArNTE5LDI4IEBAIFNZTV9JTk5FUl9MQUJFTChpbml0X2VsMiwgU1lNX0xfTE9DQUwp CiAJbXNyCXZiYXJfZWwyLCB4MAogCWlzYgogCisJLy8gQ2hlY2sgdGhhdCBIVkMgYWN0dWFsbHkg d29ya3MuLi4KKwltb3YJeDAsICNIVkNfUkVTRVRfVkVDVE9SUworCWh2YwkjMAorCisJbW92X3EJ eDEsIEhWQ19TVFVCX0VSUgorCWNtcAl4MCwgeDEKKwliLm5lCTBmCisKKwkvKgorCSAqIEhWQyBp cyB1bnVzYWJsZSwgc28gcHJldGVuZCB3ZSBhY3R1YWxseSBib290ZWQgYXQgRUwxLgorCSAqIE9u Y2Ugd2UgaGF2ZSBsZWZ0IEVMMiwgdGhlcmUgd2lsbCBiZSBubyBnb2luZyBiYWNrLgorCSAqLwor CW1vdl9xCXgwLCBJTklUX1NDVExSX0VMMV9NTVVfT0ZGCisJbXNyCXNjdGxyX2VsMSwgeDAKKwor CW1vdl9xCXgwLCBJTklUX1BTVEFURV9FTDEKKwltc3IJc3Bzcl9lbDIsIHgwCisJbXNyCWVscl9l bDIsIGxyCisJbW92X3EJdzAsIEJPT1RfQ1BVX01PREVfRUwxCisJZXJldAorCiswOgogCS8qCiAJ ICogRnJ1aXR5IENQVXMgc2VlbSB0byBoYXZlIEhDUl9FTDIuRTJIIHNldCB0byBSRVMxLAogCSAq IG1ha2luZyBpdCBpbXBvc3NpYmxlIHRvIHN0YXJ0IGluIG5WSEUgbW9kZS4gSXMgdGhhdAotLSAK Mi4zMC4yCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K bGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtYXJtLWtlcm5lbAo=