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Commit 5f1a1369 authored by Jan Kara's avatar Jan Kara Committed by Greg Kroah-Hartman
Browse files

sep: Convert sep_lock_user_pages() to get_user_pages_fast() 



CC: Mark Allyn <mark.a.allyn@intel.com>
CC: Jayant Mangalampalli <jayant.mangalampalli@intel.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f4ee2ccb

drivers/staging/sep/sep_main.c

+2 −7
Original line number Diff line number Diff line
@@ -1263,13 +1263,8 @@ static int sep_lock_user_pages(struct sep_device *sep, 
	}



	/* Convert the application virtual address into a set of physical */

	down_read(&current->mm->mmap_sem);

	result = get_user_pages(current, current->mm, app_virt_addr,

		num_pages,

		((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1),

		0, page_array, NULL);



	up_read(&current->mm->mmap_sem);

	result = get_user_pages_fast(app_virt_addr, num_pages,

		((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1), page_array);



	/* Check the number of pages locked - if not all then exit with error */

	if (result != num_pages) {