From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1820EE021A for ; Thu, 14 Sep 2023 02:29:16 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=lKq8i0Oo; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4RmLqb2SB2z3djH for ; Thu, 14 Sep 2023 12:29:15 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=lKq8i0Oo; dkim-atps=neutral Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4RmLmz0sqFz3dWq for ; Thu, 14 Sep 2023 12:26:59 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1694658416; bh=xlSTiurgLaBQNpc+vQK3oWsZWhS8BblwTkgUV7ZsG1g=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=lKq8i0OoDT58sd0z3lTD7epUzKU/LoG7/siGug5Tqo0G5Z6+MGn+ydajR/7DNZM5h xCXjwMW9w0za5cN9EkyJfMdFRTKNyXKTYxLwOJJx5ZDjpwlgjw/fSi3dkKTrvJR/44 Y38/MtamXO43LySywo5AdmKkc5sboDpfJucvrCnEDbUOY1nf19du9628bTKkf9SKt7 fEkV3uuIa8r3QMxslPdjZLR4kYtZe73zC/DzWsTvwqetMBSnAWBNHy9i8TDjV595XF OOSF2hm23VWE6buknC6WSbc3un6yoXRDK6y3c/a/Zuye0e5bWr4FTjd3F23BQh05rN e4UWz4t/JKf9w== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4RmLmw2mRxz4wxg; Thu, 14 Sep 2023 12:26:56 +1000 (AEST) From: Michael Ellerman To: Kent Overstreet , linux-bcachefs@vger.kernel.org Subject: Re: [PATCH] powerpc: Export kvm_guest static key, for bcachefs six locks In-Reply-To: <20230914000115.1035594-1-kent.overstreet@linux.dev> References: <20230914000115.1035594-1-kent.overstreet@linux.dev> Date: Thu, 14 Sep 2023 12:26:53 +1000 Message-ID: <87a5tp8p76.fsf@mail.lhotse> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kent Overstreet , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Kent Overstreet writes: > bcachefs's six locks need kvm_guest, via > ower_on_cpu() -> vcpu_is_preempted() -> is_kvm_guest() > > Signed-off-by: Kent Overstreet > Cc: linuxppc-dev@lists.ozlabs.org > --- > arch/powerpc/kernel/firmware.c | 2 ++ > 1 file changed, 2 insertions(+) Acked-by: Michael Ellerman (powerpc) I'm happy for you to take this via your tree. cheers > diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c > index 20328f72f9f2..8987eee33dc8 100644 > --- a/arch/powerpc/kernel/firmware.c > +++ b/arch/powerpc/kernel/firmware.c > @@ -23,6 +23,8 @@ EXPORT_SYMBOL_GPL(powerpc_firmware_features); > > #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST) > DEFINE_STATIC_KEY_FALSE(kvm_guest); > +EXPORT_SYMBOL_GPL(kvm_guest); > + > int __init check_kvm_guest(void) > { > struct device_node *hyper_node; > -- > 2.40.1