1 files changed, 36 insertions, 0 deletions

diff --git a/recipes-kernel/cryptodev/sdk_patches/0094-Adjust-to-another-change-in-the-user-page-API.patch b/recipes-kernel/cryptodev/sdk_patches/0094-Adjust-to-another-change-in-the-user-page-API.patch
new file mode 100644
index 000000000..9483d0c64
--- /dev/null
+++ b/recipes-kernel/cryptodev/sdk_patches/0094-Adjust-to-another-change-in-the-user-page-API.patch
@@ -0,0 +1,36 @@
+From b7783948df06674da12352ff4f55c6e7c4213026 Mon Sep 17 00:00:00 2001
+From: Michael Weiser <michael.weiser@gmx.de>
+Date: Fri, 11 Nov 2016 18:09:32 +0100
+Subject: [PATCH 094/104] Adjust to another change in the user page API
+
+4.9.0 will replace the write and force flags of get_user_pages_remote()
+with a gup_flags parameter[1]. Distinguish the two APIs based on kernel
+version we're compiling for.
+
+[1] https://github.com/torvalds/linux/commit/9beae1ea89305a9667ceaab6d0bf46a045ad71e7
+---
+ zc.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/zc.c b/zc.c
+index a97b49f..e766ee3 100644
+--- a/zc.c
++++ b/zc.c
+@@ -65,7 +65,13 @@ int __get_userbuf(uint8_t __user *addr, uint32_t len, int write,
+        ret = get_user_pages(
+ #endif
+                        task, mm,
+-                       (unsigned long)addr, pgcount, write, 0, pg, NULL);
++                       (unsigned long)addr, pgcount,
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0))
++                       write ? FOLL_WRITE : 0,
++#else
++                       write, 0,
++#endif
++                       pg, NULL);
+        up_read(&mm->mmap_sem);
+        if (ret != pgcount)
+                return -EINVAL;
+-- 
+2.10.2
+