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[2001:8b0:10b:1231::1]) by mx.google.com with ESMTPS id c14si8556676wmb.11.2019.05.13.08.16.42 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 13 May 2019 08:16:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of peterz@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) client-ip=2001:8b0:10b:1231::1; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=merlin.20170209 header.b=dOoxRqeI; spf=pass (google.com: best guess record for domain of peterz@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) smtp.mailfrom=peterz@infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=fZCXLRK6siZkJzRThAZU41Qk9STzd0Ms+LwmndLzT4U=; b=dOoxRqeIU0IcG57wCspBazrWD 09pvLZ3B5B5JIvlkaPW2v9wmDfMD64eHIMMM9VvHovmSQKCVTDs7AE4x5WHR7JayzOyj0JrbYDzto ib/qLZIhKW6+9A9vmS6HmBS/La4Q8rd9fYbZQHpxTGe4fty4HDIjEm12v3yGcwPrVPWKPQb5fN8J4 Sb8DsdDGSKgndaqMp41piHOpX3l/9BQxCbIIi+bigL7I/3SyPyENVxM/pguzcSVXd93Vsm7UtGVx8 wQyZBWobruR2cR6mtbgUMTPFk/d/d7NZw3IEuj7HoEUIK5wB4IyvT2P1fkqsaxnzVT2JIKk5vnAFX I9EMq7JEw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQCgx-00083R-0e; Mon, 13 May 2019 15:16:39 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id C83E22029F877; Mon, 13 May 2019 17:16:37 +0200 (CEST) Date: Mon, 13 May 2019 17:16:37 +0200 From: Peter Zijlstra To: Alexandre Chartre Cc: pbonzini@redhat.com, rkrcmar@redhat.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org, kvm@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, konrad.wilk@oracle.com, jan.setjeeilers@oracle.com, liran.alon@oracle.com, jwadams@google.com Subject: Re: [RFC KVM 25/27] kvm/isolation: implement actual KVM isolation enter/exit Message-ID: <20190513151637.GA2589@hirez.programming.kicks-ass.net> References: <1557758315-12667-1-git-send-email-alexandre.chartre@oracle.com> <1557758315-12667-26-git-send-email-alexandre.chartre@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1557758315-12667-26-git-send-email-alexandre.chartre@oracle.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, May 13, 2019 at 04:38:33PM +0200, Alexandre Chartre wrote: > diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c > index a4db7f5..7ad5ad1 100644 > --- a/arch/x86/mm/tlb.c > +++ b/arch/x86/mm/tlb.c > @@ -444,6 +444,7 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, > switch_ldt(real_prev, next); > } > } > +EXPORT_SYMBOL_GPL(switch_mm_irqs_off); > > /* > * Please ignore the name of this function. It should be called NAK