From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: kwankhede@nvidia.com, corbet@lwn.net, hca@linux.ibm.com,
gor@linux.ibm.com, agordeev@linux.ibm.com,
borntraeger@linux.ibm.com, svens@linux.ibm.com,
zhenyuw@linux.intel.com, zhi.a.wang@intel.com,
jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com,
rodrigo.vivi@intel.com, tvrtko.ursulin@linux.intel.com,
airlied@linux.ie, daniel@ffwll.ch, farman@linux.ibm.com,
mjrosato@linux.ibm.com, pasic@linux.ibm.com,
vneethv@linux.ibm.com, oberpar@linux.ibm.com,
freude@linux.ibm.com, akrowiak@linux.ibm.com,
jjherne@linux.ibm.com, alex.williamson@redhat.com,
cohuck@redhat.com, kevin.tian@intel.com, hch@infradead.org,
jchrist@linux.ibm.com, kvm@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-s390@vger.kernel.org, intel-gvt-dev@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [RFT][PATCH v2 1/9] vfio: Make vfio_unpin_pages() return void
Date: Wed, 6 Jul 2022 13:45:09 -0300 [thread overview]
Message-ID: <20220706164509.GH693670@nvidia.com> (raw)
In-Reply-To: <20220706062759.24946-2-nicolinc@nvidia.com>
On Tue, Jul 05, 2022 at 11:27:51PM -0700, Nicolin Chen wrote:
> There's only one caller that checks its return value with a WARN_ON_ONCE,
> while all other callers do not check return value at all. So simplify the
> API to return void by embedding similar WARN_ON_ONCEs.
>
> Suggested-by: Christoph Hellwig <hch@infradead.org>
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> ---
> .../driver-api/vfio-mediated-device.rst | 2 +-
> drivers/gpu/drm/i915/gvt/kvmgt.c | 5 +---
> drivers/vfio/vfio.c | 24 ++++++++-----------
> drivers/vfio/vfio.h | 2 +-
> drivers/vfio/vfio_iommu_type1.c | 16 ++++++-------
> include/linux/vfio.h | 4 ++--
> 6 files changed, 23 insertions(+), 30 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2022-07-06 16:45 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-06 6:27 [RFT][PATCH v2 0/9] Update vfio_pin/unpin_pages API Nicolin Chen
2022-07-06 6:27 ` [RFT][PATCH v2 1/9] vfio: Make vfio_unpin_pages() return void Nicolin Chen
2022-07-06 6:54 ` Christoph Hellwig
2022-07-06 15:52 ` Nicolin Chen
2022-07-06 16:45 ` Jason Gunthorpe [this message]
2022-07-06 17:38 ` Kirti Wankhede
2022-07-07 8:42 ` Tian, Kevin
2022-07-07 17:12 ` Nicolin Chen
2022-07-07 19:22 ` Jason Gunthorpe
2022-07-07 19:38 ` Nicolin Chen
2022-07-06 6:27 ` [RFT][PATCH v2 2/9] vfio/ap: Pass in physical address of ind to ap_aqic() Nicolin Chen
2022-07-06 16:48 ` Jason Gunthorpe
2022-07-06 6:27 ` [RFT][PATCH v2 3/9] vfio/ccw: Only pass in contiguous pages Nicolin Chen
2022-07-06 17:05 ` Jason Gunthorpe
2022-07-08 20:25 ` Eric Farman
2022-07-08 20:25 ` Eric Farman
2022-07-06 6:27 ` [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API Nicolin Chen
2022-07-06 6:56 ` Christoph Hellwig
2022-07-06 15:54 ` Nicolin Chen
2022-07-06 17:38 ` Kirti Wankhede
2022-07-06 17:49 ` Jason Gunthorpe
2022-07-06 17:58 ` Nicolin Chen
2022-07-06 19:21 ` Nicolin Chen
2022-07-07 8:46 ` Tian, Kevin
2022-07-07 17:04 ` Nicolin Chen
2022-07-08 20:27 ` Eric Farman
2022-07-06 6:27 ` [RFT][PATCH v2 5/9] vfio/ap: Remove redundant pfn Nicolin Chen
2022-07-06 17:55 ` Jason Gunthorpe
2022-07-06 6:27 ` [RFT][PATCH v2 6/9] vfio/ccw: Change pa_pfn list to pa_iova list Nicolin Chen
2022-07-06 17:59 ` Jason Gunthorpe
2022-07-08 20:26 ` Eric Farman
2022-07-06 6:27 ` [RFT][PATCH v2 7/9] vfio: Rename user_iova of vfio_dma_rw() Nicolin Chen
2022-07-06 6:57 ` Christoph Hellwig
2022-07-06 18:15 ` Jason Gunthorpe
2022-07-07 8:47 ` Tian, Kevin
2022-07-06 6:27 ` [RFT][PATCH v2 8/9] vfio/ccw: Add kmap_local_page() for memcpy Nicolin Chen
2022-07-06 18:17 ` Jason Gunthorpe
2022-07-08 20:29 ` Eric Farman
2022-07-06 6:27 ` [RFT][PATCH v2 9/9] vfio: Replace phys_pfn with pages for vfio_pin_pages() Nicolin Chen
2022-07-06 6:57 ` Christoph Hellwig
2022-07-06 17:39 ` Kirti Wankhede
2022-07-06 18:18 ` Jason Gunthorpe
2022-07-07 8:49 ` Tian, Kevin
2022-07-07 17:03 ` Nicolin Chen
2022-07-08 20:29 ` Eric Farman
2022-07-07 6:08 ` [RFT][PATCH v2 0/9] Update vfio_pin/unpin_pages API Tian, Kevin
2022-07-07 6:17 ` Nicolin Chen
2022-07-08 7:24 ` Xu, Terrence
2022-07-08 20:20 ` Nicolin Chen
2022-07-08 20:30 ` Eric Farman
2022-07-08 20:31 ` Nicolin Chen
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