| Message ID | 20200211174938.27809-75-maz@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
Return-Path: <SRS0=9UBk=37=lists.infradead.org=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E2F89924 for <patchwork-linux-arm@patchwork.kernel.org>; Tue, 11 Feb 2020 18:10:18 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7828C206DB for <patchwork-linux-arm@patchwork.kernel.org>; Tue, 11 Feb 2020 18:10:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Nl7mpXc7"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="L4uMU9Vb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7828C206DB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=r4/5pSqTmVClhCx70/SwenVUAI46csu7ynj1GzxjvD4=; b=Nl7mpXc7dglfrs YB/yoraT0WHcbIe+SKXEwszUP1Tt3oPFFUXgS2+Oh8p5VVn0uPDaHQYKYM5TXcZveNxnacIDaPWUc TFmgjAfQr+llKXgmMWUZhox3aRdWZtTPAe3L1BUTDo+UvJuh6+ixlDBbmGz8yW+eHCtMfRXsoNoi1 mSHvkgyYzFgLwA+tZt6ACEzthgIWCsLqY8yGLpxqiMb4DX2fsQLLYkOcUg7LRIadZf1fT2CXH5Z5v fl1chL6rMZvRp+jmZyPLU6eY+rQuGQw+tqiPPHJNWmQB4ca+I9GjLos4moErv5C2eco9cnRq7/HLZ vZZlyfknXhdG9bX3ocrg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j1Zz7-0004jG-10; Tue, 11 Feb 2020 18:10:09 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j1ZiI-0002jb-Bs for linux-arm-kernel@lists.infradead.org; Tue, 11 Feb 2020 17:52:48 +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 92C1D20661; Tue, 11 Feb 2020 17:52:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581443565; bh=UoVrt09wjYGMlc6RAiUdRunAn2VHL7X7dd7By3r8axA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L4uMU9VbThl1fcl4HvyyvSDn5PRdej1bQJb9B8X9dpWbnWV0QUsKHESUvQk9tIc5L g8XB1TGSBanxkRF3vPtgBiKIlmW71CiX/Wzyv8kn+hA6QKWxnPOq6KS8IitCtq1vls PtzGWPAoKwKc/LNLrxOqxQ2BOyMi7pcV2BrucIIg= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <maz@kernel.org>) id 1j1ZgD-004O7k-57; Tue, 11 Feb 2020 17:50:37 +0000 From: Marc Zyngier <maz@kernel.org> To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: [PATCH v2 74/94] KVM: arm64: pauth: Use ctxt_sys_reg() instead of raw sys_regs access Date: Tue, 11 Feb 2020 17:49:18 +0000 Message-Id: <20200211174938.27809-75-maz@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200211174938.27809-1-maz@kernel.org> References: <20200211174938.27809-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, andre.przywara@arm.com, christoffer.dall@arm.com, Dave.Martin@arm.com, jintack@cs.columbia.edu, alexandru.elisei@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.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-20200211_095246_489731_58DD2323 X-CRM114-Status: GOOD ( 11.05 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Suzuki K Poulose <suzuki.poulose@arm.com>, Andre Przywara <andre.przywara@arm.com>, Christoffer Dall <christoffer.dall@arm.com>, Dave Martin <Dave.Martin@arm.com>, James Morse <james.morse@arm.com>, Alexandru Elisei <alexandru.elisei@arm.com>, Jintack Lim <jintack@cs.columbia.edu>, Julien Thierry <julien.thierry.kdev@gmail.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
| Series |
KVM: arm64: ARMv8.3/8.4 Nested Virtualization support
|
expand
|
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index 10f13bd2e319..9678e2389c2f 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -217,10 +217,11 @@ static int handle_sve(struct kvm_vcpu *vcpu, struct kvm_run *run) return 1; } -#define __ptrauth_save_key(regs, key) \ + +#define __ptrauth_save_key(ctxt, key) \ ({ \ - regs[key ## KEYLO_EL1] = read_sysreg_s(SYS_ ## key ## KEYLO_EL1); \ - regs[key ## KEYHI_EL1] = read_sysreg_s(SYS_ ## key ## KEYHI_EL1); \ + ctxt_sys_reg(ctxt, key ## KEYLO_EL1) = read_sysreg_s(SYS_ ## key ## KEYLO_EL1); \ + ctxt_sys_reg(ctxt, key ## KEYHI_EL1) = read_sysreg_s(SYS_ ## key ## KEYHI_EL1); \ }) /* @@ -234,11 +235,11 @@ void kvm_arm_vcpu_ptrauth_trap(struct kvm_vcpu *vcpu) if (vcpu_has_ptrauth(vcpu)) { vcpu_ptrauth_enable(vcpu); ctxt = vcpu->arch.host_cpu_context; - __ptrauth_save_key(ctxt->sys_regs, APIA); - __ptrauth_save_key(ctxt->sys_regs, APIB); - __ptrauth_save_key(ctxt->sys_regs, APDA); - __ptrauth_save_key(ctxt->sys_regs, APDB); - __ptrauth_save_key(ctxt->sys_regs, APGA); + __ptrauth_save_key(ctxt, APIA); + __ptrauth_save_key(ctxt, APIB); + __ptrauth_save_key(ctxt, APDA); + __ptrauth_save_key(ctxt, APDB); + __ptrauth_save_key(ctxt, APGA); } else { kvm_inject_undefined(vcpu); }
Now that we have a wrapper for the sysreg accesses, let's use that consistently. Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kvm/handle_exit.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-)