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[80.230.31.118]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4324eab2721sm99141541f8f.39.2026.01.05.00.23.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Jan 2026 00:23:52 -0800 (PST) Date: Mon, 5 Jan 2026 03:23:49 -0500 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Cong Wang , Jonathan Corbet , Olivia Mackall , Herbert Xu , Jason Wang , Paolo Bonzini , Stefan Hajnoczi , Eugenio =?utf-8?B?UMOpcmV6?= , "James E.J. Bottomley" , "Martin K. Petersen" , Gerd Hoffmann , Xuan Zhuo , Marek Szyprowski , Robin Murphy , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Petr Tesarik , Leon Romanovsky , Jason Gunthorpe , Bartosz Golaszewski , linux-doc@vger.kernel.org, linux-crypto@vger.kernel.org, virtualization@lists.linux.dev, linux-scsi@vger.kernel.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, Viresh Kumar , "Enrico Weigelt, metux IT consult" , Viresh Kumar , Linus Walleij , linux-gpio@vger.kernel.org Subject: [PATCH v2 15/15] gpio: virtio: reorder fields to reduce struct padding Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Reorder struct virtio_gpio_line fields to place the DMA buffers (req/res) last. This eliminates the padding from aligning struct size on ARCH_DMA_MINALIGN. Acked-by: Viresh Kumar Signed-off-by: Michael S. Tsirkin Acked-by: Bartosz Golaszewski --- drivers/gpio/gpio-virtio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-virtio.c b/drivers/gpio/gpio-virtio.c index b70294626770..ed6e0e90fa8a 100644 --- a/drivers/gpio/gpio-virtio.c +++ b/drivers/gpio/gpio-virtio.c @@ -26,11 +26,12 @@ struct virtio_gpio_line { struct mutex lock; /* Protects line operation */ struct completion completion; =20 + unsigned int rxlen; + __dma_from_device_group_begin(); struct virtio_gpio_request req; struct virtio_gpio_response res; __dma_from_device_group_end(); - unsigned int rxlen; }; =20 struct vgpio_irq_line { --=20 MST