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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DA40C433F5 for ; Mon, 6 Sep 2021 02:50:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33899604D7 for ; Mon, 6 Sep 2021 02:50:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238867AbhIFCvI (ORCPT ); Sun, 5 Sep 2021 22:51:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238842AbhIFCvI (ORCPT ); Sun, 5 Sep 2021 22:51:08 -0400 Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C87ADC061575; Sun, 5 Sep 2021 19:49:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1630896596; bh=lvnjrDHVue4jRbF+xpLu6wRs9BCkjAt29ulD1CAA8Sg=; h=Date:From:To:Cc:Subject:From; b=GV7VW42N/9jCdMIoTnkN/sx83SmUZIckX0mZM/bQTP/urWGXi0+Opi2qn23gvAKCp QyzEW1qwmKafRUkw513I21iz7j5QFp6zutTqnhJ6ORQNI7p4/le5VzB0Gu65FCXKZh 4n3f1+4H4evhKXdENyVohb+n22IYfnXfBOybkIAxCPpZ+eK+32eOZIMs7HDv5I+U89 gaubzy8T/t8V1qKFcBoNhd1vWe7Llm6iBRQN0iOGttDaIfQHo1hUNe/Rkbqua1xGK/ DWdjJ96K6TgQ0vtaKh321Q2e7ucr8/gTv1unV974fdWmxElVquaePSMPIyqlrN4aPF YFA3RGfWc05dQ== 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 ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4H2tD40WlLz9sW4; Mon, 6 Sep 2021 12:49:55 +1000 (AEST) Date: Mon, 6 Sep 2021 12:49:54 +1000 From: Stephen Rothwell To: "Michael S. Tsirkin" Cc: Xie Yongji , Thomas Gleixner , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the vhost tree Message-ID: <20210906124954.55ece6e8@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/nZ1.Z3iCbFT6pedY5E66n9T"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org --Sig_/nZ1.Z3iCbFT6pedY5E66n9T Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the vhost tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/vdpa/vdpa_user/vduse_dev.c: In function 'vduse_vdpa_kick_vq': drivers/vdpa/vdpa_user/vduse_dev.c:489:6: error: implicit declaration of fu= nction 'eventfd_signal_count'; did you mean 'eventfd_signal_allowed'? [-Wer= ror=3Dimplicit-function-declaration] 489 | if (eventfd_signal_count()) { | ^~~~~~~~~~~~~~~~~~~~ | eventfd_signal_allowed Caused by commit b66219796563 ("vduse: Introduce VDUSE - vDPA Device in Userspace") interacting with commit b542e383d8c0 ("eventfd: Make signal recursion protection a task bit") from Linus' tree. I have applied the following merge fix patch for today. From: Stephen Rothwell Date: Mon, 6 Sep 2021 12:43:32 +1000 Subject: [PATCH] fix up for "eventfd: Make signal recursion protection a ta= sk bit" Signed-off-by: Stephen Rothwell --- drivers/vdpa/vdpa_user/vduse_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vd= use_dev.c index 59a93e5b967a..5c25ff6483ad 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -486,7 +486,7 @@ static void vduse_vdpa_kick_vq(struct vdpa_device *vdpa= , u16 idx) struct vduse_dev *dev =3D vdpa_to_vduse(vdpa); struct vduse_virtqueue *vq =3D &dev->vqs[idx]; =20 - if (eventfd_signal_count()) { + if (eventfd_signal_allowed()) { schedule_work(&vq->kick); return; } --=20 2.32.0 --=20 Cheers, Stephen Rothwell --Sig_/nZ1.Z3iCbFT6pedY5E66n9T Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmE1gdIACgkQAVBC80lX 0Gy0Bgf7Bt6B1FK7vEGX9BaXfhybMKk+HcfsHskEIvbhZsavlCc9/GmRwjRrt0jR qi+K/iLpWQ6+PsYjI7s7MS35tX1ijecqRPlOhJCSZcRGYlYLmN2Eu2itralLkXcK mKM5S2uRf2KJguHMpOPv77bvt7DW190zCSAe1p+nieoKQhkaHxg9j/cBquhcml9r t5jySXtX5+0tG6Etzp2LN31VdW52eBI/ilLeujsNHDcFzfoBLNhPMCMxK6Y6aIja Ea6IhGXGSGMRCqjU1if4C1EslshNV7FXnzWT/C78rDC2LVMUZkDjYw49DLQ4PzsN YvFOPFfO/0eGHRDqA9cwJeWlJ4SzAg== =TueG -----END PGP SIGNATURE----- --Sig_/nZ1.Z3iCbFT6pedY5E66n9T--