[OE-core] [PATCH] cryptodev: Fix changed mm interface in Kernel 4.9
Daniel Schultz
d.schultz at phytec.de
Wed Jan 25 15:09:17 UTC 2017
The memory management interface has changed in Kernel 4.9.
This patch adds a patch which fixes the paramter of the function call.
Backport from https://github.com/cryptodev-linux/cryptodev-linux
Based on commit f126e4837e6334d0464540995df7426fedf6b175
Signed-off-by: Daniel Schultz <d.schultz at phytec.de>
---
meta/recipes-kernel/cryptodev/cryptodev.inc | 3 +-
...st-to-another-change-in-the-user-page-API.patch | 36 ++++++++++++++++++++++
2 files changed, 38 insertions(+), 1 deletion(-)
create mode 100644 meta/recipes-kernel/cryptodev/files/0001-Adjust-to-another-change-in-the-user-page-API.patch
diff --git a/meta/recipes-kernel/cryptodev/cryptodev.inc b/meta/recipes-kernel/cryptodev/cryptodev.inc
index 160ab30..6241238 100644
--- a/meta/recipes-kernel/cryptodev/cryptodev.inc
+++ b/meta/recipes-kernel/cryptodev/cryptodev.inc
@@ -5,7 +5,8 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
SRC_URI = "http://download.gna.org/cryptodev-linux/cryptodev-linux-${PV}.tar.gz \
file://06d6b560c6e45dc317dae47c74706fa43f4a31d8.patch \
- file://cb186f682679383e8b5806240927903730ce85d9.patch"
+ file://cb186f682679383e8b5806240927903730ce85d9.patch \
+ file://0001-Adjust-to-another-change-in-the-user-page-API.patch"
SRC_URI[md5sum] = "02644cc4cd02301e0b503a332eb2f0b5"
SRC_URI[sha256sum] = "67fabde9fb67b286a96c4f45b594b0eccd0f761b495705c18f2ae9461b831376"
diff --git a/meta/recipes-kernel/cryptodev/files/0001-Adjust-to-another-change-in-the-user-page-API.patch b/meta/recipes-kernel/cryptodev/files/0001-Adjust-to-another-change-in-the-user-page-API.patch
new file mode 100644
index 0000000..8a544ff
--- /dev/null
+++ b/meta/recipes-kernel/cryptodev/files/0001-Adjust-to-another-change-in-the-user-page-API.patch
@@ -0,0 +1,36 @@
+From f126e4837e6334d0464540995df7426fedf6b175 Mon Sep 17 00:00:00 2001
+From: Michael Weiser <michael.weiser at gmx.de>
+Date: Fri, 11 Nov 2016 18:09:32 +0100
+Subject: [PATCH] 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;
+--
+1.9.1
+
--
1.9.1
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