1 files changed, 0 insertions, 57 deletions
diff --git a/meta-agl-jailhouse/recipes-kernel/linux/linux/0010-uio-Enable-read-only-mappings.patch b/meta-agl-jailhouse/recipes-kernel/linux/linux/0010-uio-Enable-read-only-mappings.patch
deleted file mode 100644
index 2fa65641..00000000
--- a/meta-agl-jailhouse/recipes-kernel/linux/linux/0010-uio-Enable-read-only-mappings.patch
+++ /dev/null
@@ -1,57 +0,0 @@
-From 9c8885c6e020451e4a4578be9db318e5c07227ea Mon Sep 17 00:00:00 2001
-From: Jan Kiszka <jan.kiszka@siemens.com>
-Date: Tue, 4 Jun 2019 14:40:09 +0200
-Subject: [PATCH 10/32] uio: Enable read-only mappings
-
-This allows to tag memory regions read-only, denying userspace to map
-them writable. Default remains read/write.
-
-Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
----
- drivers/uio/uio.c          | 9 +++++++++
- include/linux/uio_driver.h | 2 ++
- 2 files changed, 11 insertions(+)
-
-diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
-index a57698985f9c..ac18542ee4fe 100644
---- a/drivers/uio/uio.c
-+++ b/drivers/uio/uio.c
-@@ -790,6 +790,15 @@ static int uio_mmap(struct file *filep, struct vm_area_struct *vma)
- 		goto out;
- 	}
- 
-+	if (idev->info->mem[mi].readonly) {
-+		if (vma->vm_flags & VM_WRITE) {
-+			ret = -EINVAL;
-+			goto out;
-+		}
-+
-+		vma->vm_flags &= ~VM_MAYWRITE;
-+	}
-+
- 	if (idev->info->mmap) {
- 		ret = idev->info->mmap(idev->info, vma);
- 		goto out;
-diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
-index 01081c4726c0..ebfc06e36ca2 100644
---- a/include/linux/uio_driver.h
-+++ b/include/linux/uio_driver.h
-@@ -31,6 +31,7 @@ struct uio_map;
-  * @offs:               offset of device memory within the page
-  * @size:		size of IO (multiple of page size)
-  * @memtype:		type of memory addr points to
-+ * @readonly:		true of region is read-only
-  * @internal_addr:	ioremap-ped version of addr, for driver internal use
-  * @map:		for use by the UIO core only.
-  */
-@@ -40,6 +41,7 @@ struct uio_mem {
- 	unsigned long		offs;
- 	resource_size_t		size;
- 	int			memtype;
-+	bool			readonly;
- 	void __iomem		*internal_addr;
- 	struct uio_map		*map;
- };
--- 
-2.11.0
-