From patchwork Fri May 29 16:01:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 11579273 Return-Path: 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 9D209139A for ; Fri, 29 May 2020 16:09:21 +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 7735D2072D for ; Fri, 29 May 2020 16:09:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="h+ixDK+Y"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="jsDIe8gj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7735D2072D 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=2Bnt4OK8gzJAiqm9a+vyZhIBBDDnZthWz5MOIadWSlc=; b=h+ixDK+YgMVv0x 4p0h7cLUlzm7CmLzEgxsTogrrg1J8oXHkiuPknfrAUr7sCzb9kPCloF5izXkoz6KFNcBS6zry8oN8 fHam7kzkmIUD3ndyiCjTV0L23bqbf62NcZrDGwIPF4zVv+Dm7naKmjfsJeKDRKIsJYTA6U1o7u5kg 9xnOV+KvsGxavCGb+Osc+sj22kcWmUvnxi2wCjHRPzOlnPnqGaWgzQNA36DvIgYsYtiGMNDzKxd1o NtlknfCUnD4E0RvDvDLuFbZGAdlzejNG2Eezbpy7Jcok2KQBpGxwNqUPJsUQ4UQUJMSQo8fhkbjfE ZpbTUOHR/GcRwUHWwvlA==; 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 1jehZJ-0003HW-Dn; Fri, 29 May 2020 16:09:13 +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 1jehTz-0004wP-MV for linux-arm-kernel@lists.infradead.org; Fri, 29 May 2020 16:03:49 +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 4E9E920897; Fri, 29 May 2020 16:03:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590768222; bh=N3pO8RPN/bTcq5Tr1JRqxyQLqjJKvyBGGNGowE+kcWY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jsDIe8gjbVk968BbmfXlbKluWZ4TnRTaFIIFl8ZP5fgTL+EwG9HeT2OKMo+JfRfRf EL9ifMSQu489U4b3Xs8N0TG1TT8d1KqOy0Op5Uct8gyo6hcx11coIiaMLtgnwqFbsi EFw8mgrUPWesZdIdim1USbfO1OtwJ4yS69I7arOU= 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 ) id 1jehSG-00GJKc-5Y; Fri, 29 May 2020 17:01:56 +0100 From: Marc Zyngier To: Paolo Bonzini Subject: [PATCH 16/24] KVM: arm64: Fix incorrect comment on kvm_get_hyp_vector() Date: Fri, 29 May 2020 17:01:13 +0100 Message-Id: <20200529160121.899083-17-maz@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200529160121.899083-1-maz@kernel.org> References: <20200529160121.899083-1-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, ascull@google.com, ardb@kernel.org, christoffer.dall@arm.com, dbrazdil@google.com, tabba@google.com, james.morse@arm.com, giangyi@amazon.com, zhukeqian1@huawei.com, mark.rutland@arm.com, suzuki.poulose@arm.com, will@kernel.org, yuzenghui@huawei.com, julien.thierry.kdev@gmail.com, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu 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-20200529_090343_851641_384E3BA9 X-CRM114-Status: GOOD ( 14.07 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 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_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Will Deacon , Suzuki K Poulose , Keqian Zhu , Christoffer Dall , Jiang Yi , James Morse , Andrew Scull , Zenghui Yu , Julien Thierry , David Brazdil , Alexandru Elisei , Ard Biesheuvel , Fuad Tabba , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: David Brazdil The comment used to say that kvm_get_hyp_vector is only called on VHE systems. In fact, it is also called from the nVHE init function cpu_init_hyp_mode(). Fix the comment to stop confusing devs. Signed-off-by: David Brazdil Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20200515152550.83810-1-dbrazdil@google.com --- arch/arm64/include/asm/kvm_mmu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index 30b0e8d6b895..796f6a2e794a 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -473,7 +473,7 @@ static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa, extern void *__kvm_bp_vect_base; extern int __kvm_harden_el2_vector_slot; -/* This is only called on a VHE system */ +/* This is called on both VHE and !VHE systems */ static inline void *kvm_get_hyp_vector(void) { struct bp_hardening_data *data = arm64_get_bp_hardening_data();