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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-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:To:From: Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RJADBo7w2g+5A/SJ2t4Zk0JYLlwVS8TOhbhKPYSQchc=; b=qcas3p2RF62w4HEogM7SgFe5/ ICYcMIidbippShy7FgQAiOZepcGgj1tdATVipEBg56gNukKKlIPpkmZ7+UjisSBG2OlLCYV9AET6X 5/sD08Em0ETFK7iYm12rvWDpADem+CbKjm0CmsJShzn+hoosI+gev5sKmCLjLidtvDOUnZOoGBAP9 0qx14Pd8r0B3fPjbAjYJrNz/gqIa5yPWKQTFFDOwnZDr2M60kD25HUBMZb9b415zAZd5p0YDcwDy+ nVl5ErfvPBwnse1spusDsXzuPk1sAqZELwrd7xX+ktTL6XZhmLsomb/tdUqTVgUYvnuF7sxCvAE9a zeSw4epXg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kwPAL-0005eM-Gn; Mon, 04 Jan 2021 12:40:54 +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 1kwPAI-0005d0-JO for linux-arm-kernel@lists.infradead.org; Mon, 04 Jan 2021 12:40:51 +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 EDB2220770; Mon, 4 Jan 2021 12:40:48 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1kwPAE-005DAh-U0; Mon, 04 Jan 2021 12:40:47 +0000 MIME-Version: 1.0 Date: Mon, 04 Jan 2021 12:40:46 +0000 From: Marc Zyngier To: Shannon Zhao Subject: Re: [PATCH] arm64: cpufeature: remove non-exist CONFIG_KVM_ARM_HOST In-Reply-To: <1609760324-92271-1-git-send-email-shannon.zhao@linux.alibaba.com> References: <1609760324-92271-1-git-send-email-shannon.zhao@linux.alibaba.com> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <53c52d0729cfc300b2cead400e2b846b@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: shannon.zhao@linux.alibaba.com, kvmarm@lists.cs.columbia.edu, will@kernel.org, anshuman.khandual@arm.com, suzuki.poulose@arm.com, linux-arm-kernel@lists.infradead.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-20210104_074050_746254_51CDE1C1 X-CRM114-Status: GOOD ( 15.98 ) 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: suzuki.poulose@arm.com, will@kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, anshuman.khandual@arm.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2021-01-04 11:38, Shannon Zhao wrote: > Commit d82755b2e781 ("KVM: arm64: Kill off CONFIG_KVM_ARM_HOST") > deletes > CONFIG_KVM_ARM_HOST option, it should use CONFIG_KVM instead. > > Just remove CONFIG_KVM_ARM_HOST here. > > Signed-off-by: Shannon Zhao > --- > arch/arm64/kernel/cpufeature.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/kernel/cpufeature.c > b/arch/arm64/kernel/cpufeature.c > index 7ffb5f1..e99edde 100644 > --- a/arch/arm64/kernel/cpufeature.c > +++ b/arch/arm64/kernel/cpufeature.c > @@ -2568,7 +2568,7 @@ static void verify_hyp_capabilities(void) > int parange, ipa_max; > unsigned int safe_vmid_bits, vmid_bits; > > - if (!IS_ENABLED(CONFIG_KVM) || !IS_ENABLED(CONFIG_KVM_ARM_HOST)) > + if (!IS_ENABLED(CONFIG_KVM)) > return; > > safe_mmfr1 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1); Well spotted. It means this function has never run since v5.8. It only performs a sanity check, but still... Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel