[Qemu-devel] [[PATCH V7] 01/11] userfault: add pid into uffd_msg & update UFFD_FEATURE_*

[Alexey Perevalov <a.perevalov@samsung.com>]

This commit duplicates header of "userfaultfd: provide pid in userfault msg"
into linux kernel.

Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com>
---
 linux-headers/linux/userfaultfd.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/linux-headers/linux/userfaultfd.h b/linux-headers/linux/userfaultfd.h
index 9701772..eda028c 100644
--- a/linux-headers/linux/userfaultfd.h
+++ b/linux-headers/linux/userfaultfd.h
@@ -78,6 +78,9 @@ struct uffd_msg {
 		struct {
 			__u64	flags;
 			__u64	address;
+			union {
+				__u32   ptid;
+			} feat;
 		} pagefault;
 
 		struct {
@@ -161,6 +164,7 @@ struct uffdio_api {
 #define UFFD_FEATURE_MISSING_HUGETLBFS		(1<<4)
 #define UFFD_FEATURE_MISSING_SHMEM		(1<<5)
 #define UFFD_FEATURE_EVENT_UNMAP		(1<<6)
+#define UFFD_FEATURE_THREAD_ID			(1<<7)
 	__u64 features;
 
 	__u64 ioctls;
-- 
1.9.1