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spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.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:Subject:To:From: Message-ID:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=9sDFxcdC9IujOSgDy0RT8prEgvzmkrZ7cnug4qJL44U=; b=hW/MMHrCjqGBqo/cDOIdB3AAB 4bdb1HyXEyAxj3yuiGejtPx1MftjpyPElgeTOBUJWgmLOwrbqgsKLZAAl4hMOlodO43LLXqpCaX6n CiLtFlbroOpbQ6UrHKu8pwp/yTE+rOhiUUbTQiQTSda0QRj6NqGgEEZd/+yNp+ycdjMHtsd9LIomR K+TN6zArTNNRKP6HZJCL5hqP5vxlvoGi1QvK6+BH73YjSAIHMLXPyB7TfmqUglUpcVEa7ZqmQw46D nwqUBkAyyWQYSywuq6lmRtLfmSupGN12E8n2RVUNsp22rByd84ndI6wWkVFkPuZP1nfFuHOKYl+5v l94FOxCKA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lC8Ti-0000WQ-6t; Tue, 16 Feb 2021 22:05:54 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lC8Te-0000W1-V3 for linux-arm-kernel@lists.infradead.org; Tue, 16 Feb 2021 22:05:53 +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 0DF8A64DDA; Tue, 16 Feb 2021 22:05:46 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=wait-a-minute.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lC8TW-00EVA0-Cw; Tue, 16 Feb 2021 22:05:42 +0000 Date: Tue, 16 Feb 2021 22:05:33 +0000 Message-ID: <87tuqbpt1u.wl-maz@kernel.org> From: Marc Zyngier To: Andre Przywara Subject: Re: [PATCH v3 09/66] KVM: arm64: nv: Support virtual EL2 exceptions In-Reply-To: <20210129180539.2c508b6e@slackpad.fritz.box> References: <20201210160002.1407373-1-maz@kernel.org> <20201210160002.1407373-10-maz@kernel.org> <20210129180539.2c508b6e@slackpad.fritz.box> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: andre.przywara@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, christoffer.dall@arm.com, jintack@cs.columbia.edu, alexandru.elisei@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, kernel-team@android.com, jintack.lim@linaro.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-20210216_170551_113687_75348599 X-CRM114-Status: GOOD ( 20.55 ) 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: kvm@vger.kernel.org, Suzuki K Poulose , kernel-team@android.com, Christoffer Dall , kvmarm@lists.cs.columbia.edu, James Morse , Julien Thierry , Jintack Lim , Alexandru Elisei , Jintack Lim , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 29 Jan 2021 18:05:39 +0000, Andre Przywara wrote: > > On Thu, 10 Dec 2020 15:59:05 +0000 > Marc Zyngier wrote: [...] > > diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c > > index b47df73e98d7..530562eb09fd 100644 > > --- a/arch/arm64/kvm/inject_fault.c > > +++ b/arch/arm64/kvm/inject_fault.c > > @@ -14,17 +14,50 @@ > > #include > > #include > > > > +static void pend_sync_exception(struct kvm_vcpu *vcpu) > > +{ > > + vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA64_ELx_SYNC | > > + KVM_ARM64_PENDING_EXCEPTION); > > + > > + /* If not nesting, EL1 is the only possible exception target */ > > + if (likely(!nested_virt_in_use(vcpu))) { > > This breaks compilation for the next 14 patches, because > nested_virt_in_use() is unknown here. Patch 23/66 fixes this by adding > kvm_nested.h to kvm_emulate.h. Indeed, well caught. > Shall we do this already in this patch here, or pull in kvm_nested.h in > every C file we use nested_virt_in_use(), like exception.c above? I've just added kvm_nested.h in the two places that were required at this stage (and verified that it all bisects correctly now). Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel