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Message-ID: <ZV4U96z12KSi4GGw@yilunxu-OptiPlex-7050>
Date: Wed, 22 Nov 2023 22:49:27 +0800
From: Xu Yilun <yilun.xu@...ux.intel.com>
To: Christian Brauner <brauner@...nel.org>
Cc: linux-fsdevel@...r.kernel.org, Christoph Hellwig <hch@....de>,
Jan Kara <jack@...e.cz>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
Sean Christopherson <seanjc@...gle.com>,
Paolo Bonzini <pbonzini@...hat.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
David Woodhouse <dwmw2@...radead.org>,
Paul Durrant <paul@....org>, Oded Gabbay <ogabbay@...nel.org>,
Wu Hao <hao.wu@...el.com>, Tom Rix <trix@...hat.com>,
Moritz Fischer <mdf@...nel.org>, Xu Yilun <yilun.xu@...el.com>,
Zhenyu Wang <zhenyuw@...ux.intel.com>,
Zhi Wang <zhi.a.wang@...el.com>,
Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Leon Romanovsky <leon@...nel.org>,
Jason Gunthorpe <jgg@...pe.ca>,
Frederic Barrat <fbarrat@...ux.ibm.com>,
Andrew Donnellan <ajd@...ux.ibm.com>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Eric Farman <farman@...ux.ibm.com>,
Matthew Rosato <mjrosato@...ux.ibm.com>,
Halil Pasic <pasic@...ux.ibm.com>,
Vineeth Vijayan <vneethv@...ux.ibm.com>,
Peter Oberparleiter <oberpar@...ux.ibm.com>,
Heiko Carstens <hca@...ux.ibm.com>,
Vasily Gorbik <gor@...ux.ibm.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ux.ibm.com>,
Sven Schnelle <svens@...ux.ibm.com>,
Tony Krowiak <akrowiak@...ux.ibm.com>,
Jason Herne <jjherne@...ux.ibm.com>,
Harald Freudenberger <freude@...ux.ibm.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
Diana Craciun <diana.craciun@....nxp.com>,
Alex Williamson <alex.williamson@...hat.com>,
Eric Auger <eric.auger@...hat.com>, Fei Li <fei1.li@...el.com>,
Benjamin LaHaise <bcrl@...ck.org>,
Johannes Weiner <hannes@...xchg.org>,
Michal Hocko <mhocko@...nel.org>,
Roman Gushchin <roman.gushchin@...ux.dev>,
Shakeel Butt <shakeelb@...gle.com>,
Muchun Song <muchun.song@...ux.dev>,
Kirti Wankhede <kwankhede@...dia.com>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-fpga@...r.kernel.org, intel-gvt-dev@...ts.freedesktop.org,
intel-gfx@...ts.freedesktop.org, linux-rdma@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
linux-usb@...r.kernel.org,
virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
linux-aio@...ck.org, cgroups@...r.kernel.org, linux-mm@...ck.org,
Jens Axboe <axboe@...nel.dk>,
Pavel Begunkov <asml.silence@...il.com>,
io-uring@...r.kernel.org
Subject: Re: [PATCH v2 2/4] eventfd: simplify eventfd_signal()
On Wed, Nov 22, 2023 at 01:48:23PM +0100, Christian Brauner wrote:
> Ever since the evenfd type was introduced back in 2007 in commit
> e1ad7468c77d ("signal/timer/event: eventfd core") the eventfd_signal()
> function only ever passed 1 as a value for @n. There's no point in
> keeping that additional argument.
>
> Signed-off-by: Christian Brauner <brauner@...nel.org>
> ---
> arch/x86/kvm/hyperv.c | 2 +-
> arch/x86/kvm/xen.c | 2 +-
> drivers/accel/habanalabs/common/device.c | 2 +-
> drivers/fpga/dfl.c | 2 +-
> drivers/gpu/drm/drm_syncobj.c | 6 +++---
> drivers/gpu/drm/i915/gvt/interrupt.c | 2 +-
> drivers/infiniband/hw/mlx5/devx.c | 2 +-
> drivers/misc/ocxl/file.c | 2 +-
> drivers/s390/cio/vfio_ccw_chp.c | 2 +-
> drivers/s390/cio/vfio_ccw_drv.c | 4 ++--
> drivers/s390/cio/vfio_ccw_ops.c | 6 +++---
> drivers/s390/crypto/vfio_ap_ops.c | 2 +-
> drivers/usb/gadget/function/f_fs.c | 4 ++--
> drivers/vdpa/vdpa_user/vduse_dev.c | 6 +++---
> drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c | 2 +-
> drivers/vfio/pci/vfio_pci_core.c | 6 +++---
> drivers/vfio/pci/vfio_pci_intrs.c | 12 ++++++------
> drivers/vfio/platform/vfio_platform_irq.c | 4 ++--
> drivers/vhost/vdpa.c | 4 ++--
> drivers/vhost/vhost.c | 10 +++++-----
> drivers/vhost/vhost.h | 2 +-
> drivers/virt/acrn/ioeventfd.c | 2 +-
> drivers/xen/privcmd.c | 2 +-
> fs/aio.c | 2 +-
> fs/eventfd.c | 9 +++------
> include/linux/eventfd.h | 4 ++--
> mm/memcontrol.c | 10 +++++-----
> mm/vmpressure.c | 2 +-
> samples/vfio-mdev/mtty.c | 4 ++--
> virt/kvm/eventfd.c | 4 ++--
> 30 files changed, 60 insertions(+), 63 deletions(-)
>
> diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
> index dd7a783d53b5..e73f88050f08 100644
> --- a/drivers/fpga/dfl.c
> +++ b/drivers/fpga/dfl.c
> @@ -1872,7 +1872,7 @@ static irqreturn_t dfl_irq_handler(int irq, void *arg)
> {
> struct eventfd_ctx *trigger = arg;
>
> - eventfd_signal(trigger, 1);
> + eventfd_signal(trigger);
For FPGA part,
Acked-by: Xu Yilun <yilun.xu@...el.com>
> return IRQ_HANDLED;
> }
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