write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/virt/fsl_hypervisor.c
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@@ -247,7 +247,7 @@
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 	/* Get the physical addresses of the source buffer */
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 	num_pinned = get_user_pages_fast(param.local_vaddr - lb_offset,
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-		num_pages, param.source != -1, pages);
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+		num_pages, param.source != -1 ? FOLL_WRITE : 0, pages);
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 	if (num_pinned != num_pages) {
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 		pr_debug("fsl-hv: could not lock source buffer\n");
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@@ -705,7 +705,7 @@
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 	.poll = fsl_hv_poll,
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 	.read = fsl_hv_read,
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 	.unlocked_ioctl = fsl_hv_ioctl,
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-	.compat_ioctl = fsl_hv_ioctl,
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+	.compat_ioctl = compat_ptr_ioctl,
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 };
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 static struct miscdevice fsl_hv_misc_dev = {