Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
gpio: virtio: reorder fields to reduce struct padding
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 <viresh.kumar@linaro.org>
Message-ID: <f1221bbc120df6adaba9006710a517f1e84a10b2.1767601130.git.mst@redhat.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+2
-1
+2
-1
drivers/gpio/gpio-virtio.c
+2
-1
drivers/gpio/gpio-virtio.c
···
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struct mutex lock; /* Protects line operation */
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struct completion completion;
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+
unsigned int rxlen;
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+
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__dma_from_device_group_begin();
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struct virtio_gpio_request req;
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struct virtio_gpio_response res;
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__dma_from_device_group_end();
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-
unsigned int rxlen;
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};
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struct vgpio_irq_line {