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Tsirkin" To: David Hildenbrand Subject: Re: [PATCH RFC] virtio: wrap config->reset calls Message-ID: <20211013081632-mutt-send-email-mst@kernel.org> References: <20211013105226.20225-1-mst@redhat.com> <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> MIME-Version: 1.0 In-Reply-To: <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Mailman-Approved-At: Thu, 14 Oct 2021 15:47:05 +0200 Cc: Latchesar Ionkov , nvdimm@lists.linux.dev, v9fs-developer@lists.sourceforge.net, Stefan Hajnoczi , kvm@vger.kernel.org, Dominique Martinet , David Airlie , Viresh Kumar , Jason Wang , linux-remoteproc@vger.kernel.org, alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, Bjorn Andersson , netdev@vger.kernel.org, Gerd Hoffmann , linux-scsi@vger.kernel.org, Will Deacon , Anton Ivanov , Jean-Philippe Brucker , Linus Walleij , Dave Jiang , Herbert Xu , linux-arm-kernel@lists.infradead.org, Miklos Szeredi , Richard Weinberger , Bartosz Golaszewski , Takashi Iwai , Gonglei , Kalle Valo , "Martin K. Petersen" , "James E.J. Bottomley" , Jakub Kicinski , Ira Weiny , virtualization@lists.linux-foundation.org, Jeff Dike , Vivek Goyal , Stefano Garzarella , Ohad Ben-Cohen , Johan Hedberg , Arnd Bergmann , Amit Shah , Eric Van Hensbergen , Marcel Holtmann , linux-um@lists.infradead.org, linux-crypto@vger.kernel.org, linux-block@vger.kernel.org, Vishal Verma , Luiz Augusto von Dentz , Matt Mackall , Dan Williams , Cristian Marussi , Jens Axboe , Jie Deng , Mathieu Poirier , linux-gpio@vger.kernel.org, Greg Kroah-Hartman , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-bluetooth@vger.kernel.org, iommu@lists.linux-foundation.org, Anton Yakovlev , Daniel Vetter , Sudeep Holla , linux-fsdevel@vger.kernel.org, Paolo Bonzini , Johannes Berg , "Enrico Weigelt, metux IT consult" , "David S. Miller" , Joerg Roedel X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, Oct 13, 2021 at 01:03:46PM +0200, David Hildenbrand wrote: > On 13.10.21 12:55, Michael S. Tsirkin wrote: > > This will enable cleanups down the road. > > The idea is to disable cbs, then add "flush_queued_cbs" callback > > as a parameter, this way drivers can flush any work > > queued after callbacks have been disabled. > > > > Signed-off-by: Michael S. Tsirkin > > --- > > arch/um/drivers/virt-pci.c | 2 +- > > drivers/block/virtio_blk.c | 4 ++-- > > drivers/bluetooth/virtio_bt.c | 2 +- > > drivers/char/hw_random/virtio-rng.c | 2 +- > > drivers/char/virtio_console.c | 4 ++-- > > drivers/crypto/virtio/virtio_crypto_core.c | 8 ++++---- > > drivers/firmware/arm_scmi/virtio.c | 2 +- > > drivers/gpio/gpio-virtio.c | 2 +- > > drivers/gpu/drm/virtio/virtgpu_kms.c | 2 +- > > drivers/i2c/busses/i2c-virtio.c | 2 +- > > drivers/iommu/virtio-iommu.c | 2 +- > > drivers/net/caif/caif_virtio.c | 2 +- > > drivers/net/virtio_net.c | 4 ++-- > > drivers/net/wireless/mac80211_hwsim.c | 2 +- > > drivers/nvdimm/virtio_pmem.c | 2 +- > > drivers/rpmsg/virtio_rpmsg_bus.c | 2 +- > > drivers/scsi/virtio_scsi.c | 2 +- > > drivers/virtio/virtio.c | 5 +++++ > > drivers/virtio/virtio_balloon.c | 2 +- > > drivers/virtio/virtio_input.c | 2 +- > > drivers/virtio/virtio_mem.c | 2 +- > > fs/fuse/virtio_fs.c | 4 ++-- > > include/linux/virtio.h | 1 + > > net/9p/trans_virtio.c | 2 +- > > net/vmw_vsock/virtio_transport.c | 4 ++-- > > sound/virtio/virtio_card.c | 4 ++-- > > 26 files changed, 39 insertions(+), 33 deletions(-) > > > > diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c > > index c08066633023..22c4d87c9c15 100644 > > --- a/arch/um/drivers/virt-pci.c > > +++ b/arch/um/drivers/virt-pci.c > > @@ -616,7 +616,7 @@ static void um_pci_virtio_remove(struct virtio_device *vdev) > > int i; > > /* Stop all virtqueues */ > > - vdev->config->reset(vdev); > > + virtio_reset_device(vdev); > > vdev->config->del_vqs(vdev); > > Nit: virtio_device_reset()? > > Because I see: > > int virtio_device_freeze(struct virtio_device *dev); > int virtio_device_restore(struct virtio_device *dev); > void virtio_device_ready(struct virtio_device *dev) > > But well, there is: > void virtio_break_device(struct virtio_device *dev); Exactly. I don't know what's best, so I opted for plain english :) > -- > Thanks, > > David / dhildenb 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2163EC43217 for ; Wed, 13 Oct 2021 12:18:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B0946112D for ; Wed, 13 Oct 2021 12:18:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230236AbhJMMUL (ORCPT ); Wed, 13 Oct 2021 08:20:11 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:22380 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232148AbhJMMUJ (ORCPT ); Wed, 13 Oct 2021 08:20:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634127485; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=8uA+gFhUzMMrb5D5fxARTwQwcT+AEfWKWkQ0ooGMKj8=; b=Ve02VRqNmCM1dqPHkXIOmiZJrG7akjeZUof6td6way5PfULWyukWfxnTwRArc4kOaho95W 1g9Jmq3+Fj+dAM4X7Jte0bQlJ8GFBPGGiMKrENwExhLvlKX5kfiWt7TBARlzlxMLNFJMF1 mu63a3Om9OhhlNLHaXGVfFwiu7UNCI8= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-555-0MxgpJY4ND2Hm2uUrJgTog-1; Wed, 13 Oct 2021 08:18:02 -0400 X-MC-Unique: 0MxgpJY4ND2Hm2uUrJgTog-1 Received: by mail-wr1-f72.google.com with SMTP id r16-20020adfbb10000000b00160958ed8acso1799131wrg.16 for ; Wed, 13 Oct 2021 05:18:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=8uA+gFhUzMMrb5D5fxARTwQwcT+AEfWKWkQ0ooGMKj8=; b=hWHqPkgZ5r6OKMzfL374M24UnxGLBEaM4s5N5vMXqtMOowC1VNjTcXRCdq8U5KuMQY dqZ5fm8odh82J1xWc8qipbijt1COT6DbXfutYs8GcIqEgB4HqcIll81Cz3UrWousTA62 oFEYU46FsN3bIquMpCVp4cUMJItxtgZVdeWH5j4Gc31WY3IijCUVRyw9QLqDzv0b0Fsj X/updrMhzALzbTlNrsKuGXLuz+tNn0snnmhVFj8LeZBowm+2M8263rz5IyranXusZ5FC KO06CdJd4cK4YmxyfhJd8Oi8XuXoYYHr/bBshdZP3uf3jw46aSKzIc4kuruMyvla1JaN jdPw== X-Gm-Message-State: AOAM532EMk8EdSraJJFEuVIGn5ONZpCxie6PuG1qfVGMVrgmneC1wUvi y4JdcajW+u3Mr1cXW4BiHvYn//vDljpYcInlhyX1r4QQiN+2xZOAcnCGfNb1HZo0vF6d/vehH0u 0AUpiWHhB1YScxJkP2rHRRd4= X-Received: by 2002:a7b:c30c:: with SMTP id k12mr12535179wmj.38.1634127481352; Wed, 13 Oct 2021 05:18:01 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwFEzPqFQ+1qHznC4euH1QtbfXrvr/+t46tCqHwjpC6aqk2B2gJ30j5Cm2I+Hz0oA4zGN44UQ== X-Received: by 2002:a7b:c30c:: with SMTP id k12mr12535146wmj.38.1634127481076; Wed, 13 Oct 2021 05:18:01 -0700 (PDT) Received: from redhat.com ([2.55.30.112]) by smtp.gmail.com with ESMTPSA id z1sm4104369wrt.94.2021.10.13.05.17.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Oct 2021 05:18:00 -0700 (PDT) Date: Wed, 13 Oct 2021 08:17:49 -0400 From: "Michael S. Tsirkin" To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, Jeff Dike , Richard Weinberger , Anton Ivanov , Jason Wang , Paolo Bonzini , Stefan Hajnoczi , Jens Axboe , Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , Matt Mackall , Herbert Xu , Amit Shah , Arnd Bergmann , Greg Kroah-Hartman , Gonglei , "David S. Miller" , Sudeep Holla , Cristian Marussi , "Enrico Weigelt, metux IT consult" , Viresh Kumar , Linus Walleij , Bartosz Golaszewski , David Airlie , Gerd Hoffmann , Daniel Vetter , Jie Deng , Jean-Philippe Brucker , Joerg Roedel , Will Deacon , Jakub Kicinski , Johannes Berg , Kalle Valo , Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny , Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier , "James E.J. Bottomley" , "Martin K. Petersen" , Vivek Goyal , Miklos Szeredi , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Stefano Garzarella , Anton Yakovlev , Jaroslav Kysela , Takashi Iwai , linux-um@lists.infradead.org, virtualization@lists.linux-foundation.org, linux-block@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, nvdimm@lists.linux.dev, linux-remoteproc@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, kvm@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: [PATCH RFC] virtio: wrap config->reset calls Message-ID: <20211013081632-mutt-send-email-mst@kernel.org> References: <20211013105226.20225-1-mst@redhat.com> <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Wed, Oct 13, 2021 at 01:03:46PM +0200, David Hildenbrand wrote: > On 13.10.21 12:55, Michael S. Tsirkin wrote: > > This will enable cleanups down the road. > > The idea is to disable cbs, then add "flush_queued_cbs" callback > > as a parameter, this way drivers can flush any work > > queued after callbacks have been disabled. > > > > Signed-off-by: Michael S. Tsirkin > > --- > > arch/um/drivers/virt-pci.c | 2 +- > > drivers/block/virtio_blk.c | 4 ++-- > > drivers/bluetooth/virtio_bt.c | 2 +- > > drivers/char/hw_random/virtio-rng.c | 2 +- > > drivers/char/virtio_console.c | 4 ++-- > > drivers/crypto/virtio/virtio_crypto_core.c | 8 ++++---- > > drivers/firmware/arm_scmi/virtio.c | 2 +- > > drivers/gpio/gpio-virtio.c | 2 +- > > drivers/gpu/drm/virtio/virtgpu_kms.c | 2 +- > > drivers/i2c/busses/i2c-virtio.c | 2 +- > > drivers/iommu/virtio-iommu.c | 2 +- > > drivers/net/caif/caif_virtio.c | 2 +- > > drivers/net/virtio_net.c | 4 ++-- > > drivers/net/wireless/mac80211_hwsim.c | 2 +- > > drivers/nvdimm/virtio_pmem.c | 2 +- > > drivers/rpmsg/virtio_rpmsg_bus.c | 2 +- > > drivers/scsi/virtio_scsi.c | 2 +- > > drivers/virtio/virtio.c | 5 +++++ > > drivers/virtio/virtio_balloon.c | 2 +- > > drivers/virtio/virtio_input.c | 2 +- > > drivers/virtio/virtio_mem.c | 2 +- > > fs/fuse/virtio_fs.c | 4 ++-- > > include/linux/virtio.h | 1 + > > net/9p/trans_virtio.c | 2 +- > > net/vmw_vsock/virtio_transport.c | 4 ++-- > > sound/virtio/virtio_card.c | 4 ++-- > > 26 files changed, 39 insertions(+), 33 deletions(-) > > > > diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c > > index c08066633023..22c4d87c9c15 100644 > > --- a/arch/um/drivers/virt-pci.c > > +++ b/arch/um/drivers/virt-pci.c > > @@ -616,7 +616,7 @@ static void um_pci_virtio_remove(struct virtio_device *vdev) > > int i; > > /* Stop all virtqueues */ > > - vdev->config->reset(vdev); > > + virtio_reset_device(vdev); > > vdev->config->del_vqs(vdev); > > Nit: virtio_device_reset()? > > Because I see: > > int virtio_device_freeze(struct virtio_device *dev); > int virtio_device_restore(struct virtio_device *dev); > void virtio_device_ready(struct virtio_device *dev) > > But well, there is: > void virtio_break_device(struct virtio_device *dev); Exactly. I don't know what's best, so I opted for plain english :) > -- > Thanks, > > David / dhildenb 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C81CBC43219 for ; Wed, 13 Oct 2021 12:18:09 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 76B53610F9 for ; Wed, 13 Oct 2021 12:18:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 76B53610F9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 3BDF8407A6; Wed, 13 Oct 2021 12:18:09 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id M_aEr1qPYtgz; Wed, 13 Oct 2021 12:18:08 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTPS id 0C56640796; Wed, 13 Oct 2021 12:18:08 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id C0B7EC000F; Wed, 13 Oct 2021 12:18:07 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 71A50C000D for ; Wed, 13 Oct 2021 12:18:06 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 44512824DC for ; Wed, 13 Oct 2021 12:18:06 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp1.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=redhat.com Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aGBlhUF4DIJF for ; Wed, 13 Oct 2021 12:18:05 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by smtp1.osuosl.org (Postfix) with ESMTPS id E4A6E82861 for ; Wed, 13 Oct 2021 12:18:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634127483; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=8uA+gFhUzMMrb5D5fxARTwQwcT+AEfWKWkQ0ooGMKj8=; b=gcZphIhv1SUibhOpSsOSgz4m0cbJvHyEtd0kwtKyNGk7PlE0SU+JPX+FUmjzkGHkvuPJuI RYeShTXWeJ1jx+SFek2K1Tc6X4vwuEpu4Q3Rv6491+05hOgYMfee2etkukNn00qGLGJeMY ljgHBxDZGBTUGlUD8++dZn6sdjVlaG0= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-324-uxP0iQKBOO2tjMzc7zwhkA-1; Wed, 13 Oct 2021 08:18:02 -0400 X-MC-Unique: uxP0iQKBOO2tjMzc7zwhkA-1 Received: by mail-wr1-f69.google.com with SMTP id c2-20020adfa302000000b0015e4260febdso1785897wrb.20 for ; Wed, 13 Oct 2021 05:18:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=8uA+gFhUzMMrb5D5fxARTwQwcT+AEfWKWkQ0ooGMKj8=; b=PzSXRk7uAnKYpBcyVUb/gL5jDcBxplGmBDxcg+flWBETV89a0cMWDNUMhxAIItTmA/ BfpQnAc2mJJcObPOW1GKRiA6orGZzJq6H4BnEhCE2Yzuaoi50DjL7yM0ABSrtwXeQeno WiH6TErX2sIN67imQulvxPLd6mH05HqEk6Uw1EgZ6uvgEnvb1cJ3wLVtymNN+4VQFqyh Xlj3e4wVg/29rmDudbuYERSgj3GIsfz29iNddC5kCaOnI4nPDap2yHC98kKOGERjFMBy HijMPby2E5+RQ6rkq7hU0ck/+QGTIlqW4hjaADwxcc4sFP4GDS85XTYVcxNHJuGQr0cv SeTw== X-Gm-Message-State: AOAM5316r6JviP/roiyAV701r4XvrM6wr4JtgOWpdOCe5GLWsrxqko6o KEoBk7NeKOXjvpjlGeXpTr+qe4/c3oEcA5Hc8GvseL+duH7Y7r90rQeoUZ+XQZcclEIQSPeu6zO p2RqhxAVIhl1ECPBZjDGoooH89ieOXA== X-Received: by 2002:a7b:c30c:: with SMTP id k12mr12535241wmj.38.1634127481371; Wed, 13 Oct 2021 05:18:01 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwFEzPqFQ+1qHznC4euH1QtbfXrvr/+t46tCqHwjpC6aqk2B2gJ30j5Cm2I+Hz0oA4zGN44UQ== X-Received: by 2002:a7b:c30c:: with SMTP id k12mr12535146wmj.38.1634127481076; Wed, 13 Oct 2021 05:18:01 -0700 (PDT) Received: from redhat.com ([2.55.30.112]) by smtp.gmail.com with ESMTPSA id z1sm4104369wrt.94.2021.10.13.05.17.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Oct 2021 05:18:00 -0700 (PDT) Date: Wed, 13 Oct 2021 08:17:49 -0400 From: "Michael S. Tsirkin" To: David Hildenbrand Subject: Re: [PATCH RFC] virtio: wrap config->reset calls Message-ID: <20211013081632-mutt-send-email-mst@kernel.org> References: <20211013105226.20225-1-mst@redhat.com> <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> MIME-Version: 1.0 In-Reply-To: <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Latchesar Ionkov , nvdimm@lists.linux.dev, v9fs-developer@lists.sourceforge.net, Stefan Hajnoczi , kvm@vger.kernel.org, Dominique Martinet , David Airlie , Viresh Kumar , Jason Wang , linux-remoteproc@vger.kernel.org, alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, netdev@vger.kernel.org, Gerd Hoffmann , linux-scsi@vger.kernel.org, Will Deacon , Anton Ivanov , Jean-Philippe Brucker , Linus Walleij , Dave Jiang , Herbert Xu , linux-arm-kernel@lists.infradead.org, Miklos Szeredi , Richard Weinberger , Bartosz Golaszewski , Takashi Iwai , Gonglei , Kalle Valo , "Martin K. Petersen" , "James E.J. Bottomley" , Jakub Kicinski , Ira Weiny , virtualization@lists.linux-foundation.org, Jeff Dike , Vivek Goyal , Stefano Garzarella , Ohad Ben-Cohen , Johan Hedberg , Arnd Bergmann , Amit Shah , Eric Van Hensbergen , Marcel Holtmann , linux-um@lists.infradead.org, linux-crypto@vger.kernel.org, linux-block@vger.kernel.org, Vishal Verma , Luiz Augusto von Dentz , Matt Mackall , Dan Williams , Jaroslav Kysela , Cristian Marussi , Jens Axboe , Jie Deng , Mathieu Poirier , linux-gpio@vger.kernel.org, Greg Kroah-Hartman , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-bluetooth@vger.kernel.org, iommu@lists.linux-foundation.org, Anton Yakovlev , Daniel Vetter , Sudeep Holla , linux-fsdevel@vger.kernel.org, Paolo Bonzini , Johannes Berg , "Enrico Weigelt, metux IT consult" , "David S. Miller" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Oct 13, 2021 at 01:03:46PM +0200, David Hildenbrand wrote: > On 13.10.21 12:55, Michael S. Tsirkin wrote: > > This will enable cleanups down the road. > > The idea is to disable cbs, then add "flush_queued_cbs" callback > > as a parameter, this way drivers can flush any work > > queued after callbacks have been disabled. > > > > Signed-off-by: Michael S. Tsirkin > > --- > > arch/um/drivers/virt-pci.c | 2 +- > > drivers/block/virtio_blk.c | 4 ++-- > > drivers/bluetooth/virtio_bt.c | 2 +- > > drivers/char/hw_random/virtio-rng.c | 2 +- > > drivers/char/virtio_console.c | 4 ++-- > > drivers/crypto/virtio/virtio_crypto_core.c | 8 ++++---- > > drivers/firmware/arm_scmi/virtio.c | 2 +- > > drivers/gpio/gpio-virtio.c | 2 +- > > drivers/gpu/drm/virtio/virtgpu_kms.c | 2 +- > > drivers/i2c/busses/i2c-virtio.c | 2 +- > > drivers/iommu/virtio-iommu.c | 2 +- > > drivers/net/caif/caif_virtio.c | 2 +- > > drivers/net/virtio_net.c | 4 ++-- > > drivers/net/wireless/mac80211_hwsim.c | 2 +- > > drivers/nvdimm/virtio_pmem.c | 2 +- > > drivers/rpmsg/virtio_rpmsg_bus.c | 2 +- > > drivers/scsi/virtio_scsi.c | 2 +- > > drivers/virtio/virtio.c | 5 +++++ > > drivers/virtio/virtio_balloon.c | 2 +- > > drivers/virtio/virtio_input.c | 2 +- > > drivers/virtio/virtio_mem.c | 2 +- > > fs/fuse/virtio_fs.c | 4 ++-- > > include/linux/virtio.h | 1 + > > net/9p/trans_virtio.c | 2 +- > > net/vmw_vsock/virtio_transport.c | 4 ++-- > > sound/virtio/virtio_card.c | 4 ++-- > > 26 files changed, 39 insertions(+), 33 deletions(-) > > > > diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c > > index c08066633023..22c4d87c9c15 100644 > > --- a/arch/um/drivers/virt-pci.c > > +++ b/arch/um/drivers/virt-pci.c > > @@ -616,7 +616,7 @@ static void um_pci_virtio_remove(struct virtio_device *vdev) > > int i; > > /* Stop all virtqueues */ > > - vdev->config->reset(vdev); > > + virtio_reset_device(vdev); > > vdev->config->del_vqs(vdev); > > Nit: virtio_device_reset()? > > Because I see: > > int virtio_device_freeze(struct virtio_device *dev); > int virtio_device_restore(struct virtio_device *dev); > void virtio_device_ready(struct virtio_device *dev) > > But well, there is: > void virtio_break_device(struct virtio_device *dev); Exactly. I don't know what's best, so I opted for plain english :) > -- > Thanks, > > David / dhildenb _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A53FC433EF for ; Wed, 13 Oct 2021 12:18:10 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 187A560F23 for ; Wed, 13 Oct 2021 12:18:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 187A560F23 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; 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Tsirkin" To: David Hildenbrand Subject: Re: [PATCH RFC] virtio: wrap config->reset calls Message-ID: <20211013081632-mutt-send-email-mst@kernel.org> References: <20211013105226.20225-1-mst@redhat.com> <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> MIME-Version: 1.0 In-Reply-To: <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: nvdimm@lists.linux.dev, v9fs-developer@lists.sourceforge.net, Stefan Hajnoczi , kvm@vger.kernel.org, David Airlie , Viresh Kumar , linux-remoteproc@vger.kernel.org, alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, Bjorn Andersson , netdev@vger.kernel.org, linux-scsi@vger.kernel.org, Will Deacon , Anton Ivanov , Jean-Philippe Brucker , Linus Walleij , Dave Jiang , Herbert Xu , linux-arm-kernel@lists.infradead.org, Miklos Szeredi , Richard Weinberger , Bartosz Golaszewski , Takashi Iwai , Kalle Valo , "Martin K. Petersen" , "James E.J. Bottomley" , Jakub Kicinski , Ira Weiny , virtualization@lists.linux-foundation.org, Jeff Dike , Vivek Goyal , Ohad Ben-Cohen , Johan Hedberg , Arnd Bergmann , Amit Shah , Eric Van Hensbergen , Marcel Holtmann , linux-um@lists.infradead.org, linux-crypto@vger.kernel.org, linux-block@vger.kernel.org, Vishal Verma , Luiz Augusto von Dentz , Matt Mackall , Dan Williams , Jaroslav Kysela , Cristian Marussi , Jens Axboe , Mathieu Poirier , linux-gpio@vger.kernel.org, Greg Kroah-Hartman , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-bluetooth@vger.kernel.org, iommu@lists.linux-foundation.org, Daniel Vetter , Sudeep Holla , linux-fsdevel@vger.kernel.org, Paolo Bonzini , Johannes Berg , "Enrico Weigelt, metux IT consult" , "David S. Miller" , Joerg Roedel X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Wed, Oct 13, 2021 at 01:03:46PM +0200, David Hildenbrand wrote: > On 13.10.21 12:55, Michael S. Tsirkin wrote: > > This will enable cleanups down the road. > > The idea is to disable cbs, then add "flush_queued_cbs" callback > > as a parameter, this way drivers can flush any work > > queued after callbacks have been disabled. > > > > Signed-off-by: Michael S. Tsirkin > > --- > > arch/um/drivers/virt-pci.c | 2 +- > > drivers/block/virtio_blk.c | 4 ++-- > > drivers/bluetooth/virtio_bt.c | 2 +- > > drivers/char/hw_random/virtio-rng.c | 2 +- > > drivers/char/virtio_console.c | 4 ++-- > > drivers/crypto/virtio/virtio_crypto_core.c | 8 ++++---- > > drivers/firmware/arm_scmi/virtio.c | 2 +- > > drivers/gpio/gpio-virtio.c | 2 +- > > drivers/gpu/drm/virtio/virtgpu_kms.c | 2 +- > > drivers/i2c/busses/i2c-virtio.c | 2 +- > > drivers/iommu/virtio-iommu.c | 2 +- > > drivers/net/caif/caif_virtio.c | 2 +- > > drivers/net/virtio_net.c | 4 ++-- > > drivers/net/wireless/mac80211_hwsim.c | 2 +- > > drivers/nvdimm/virtio_pmem.c | 2 +- > > drivers/rpmsg/virtio_rpmsg_bus.c | 2 +- > > drivers/scsi/virtio_scsi.c | 2 +- > > drivers/virtio/virtio.c | 5 +++++ > > drivers/virtio/virtio_balloon.c | 2 +- > > drivers/virtio/virtio_input.c | 2 +- > > drivers/virtio/virtio_mem.c | 2 +- > > fs/fuse/virtio_fs.c | 4 ++-- > > include/linux/virtio.h | 1 + > > net/9p/trans_virtio.c | 2 +- > > net/vmw_vsock/virtio_transport.c | 4 ++-- > > sound/virtio/virtio_card.c | 4 ++-- > > 26 files changed, 39 insertions(+), 33 deletions(-) > > > > diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c > > index c08066633023..22c4d87c9c15 100644 > > --- a/arch/um/drivers/virt-pci.c > > +++ b/arch/um/drivers/virt-pci.c > > @@ -616,7 +616,7 @@ static void um_pci_virtio_remove(struct virtio_device *vdev) > > int i; > > /* Stop all virtqueues */ > > - vdev->config->reset(vdev); > > + virtio_reset_device(vdev); > > vdev->config->del_vqs(vdev); > > Nit: virtio_device_reset()? > > Because I see: > > int virtio_device_freeze(struct virtio_device *dev); > int virtio_device_restore(struct virtio_device *dev); > void virtio_device_ready(struct virtio_device *dev) > > But well, there is: > void virtio_break_device(struct virtio_device *dev); Exactly. I don't know what's best, so I opted for plain english :) > -- > Thanks, > > David / dhildenb _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization