diff mbox

cryptodev: update to handle 4.10 kernel API

Message ID 1488557200-14910-1-git-send-email-ross.burton@intel.com
State Accepted
Commit 6ab4f0cd1f7a562796eeda2b2ba7497ed7135cc6
Headers show

Commit Message

Ross Burton March 3, 2017, 4:06 p.m. UTC 
Signed-off-by: Ross Burton <ross.burton@intel.com>

---
 meta/recipes-kernel/cryptodev/cryptodev.inc        |  3 +-
 .../cryptodev/files/kernel-4-10-changes.patch      | 57 ++++++++++++++++++++++
 2 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 meta/recipes-kernel/cryptodev/files/kernel-4-10-changes.patch

-- 
2.8.1

-- 
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diff mbox

Patch

diff --git a/meta/recipes-kernel/cryptodev/cryptodev.inc b/meta/recipes-kernel/cryptodev/cryptodev.inc
index 6241238..24b3227 100644
--- a/meta/recipes-kernel/cryptodev/cryptodev.inc
+++ b/meta/recipes-kernel/cryptodev/cryptodev.inc
@@ -6,7 +6,8 @@  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://0001-Adjust-to-another-change-in-the-user-page-API.patch"
+           file://0001-Adjust-to-another-change-in-the-user-page-API.patch \
+           file://kernel-4-10-changes.patch"
 
 SRC_URI[md5sum] = "02644cc4cd02301e0b503a332eb2f0b5"
 SRC_URI[sha256sum] = "67fabde9fb67b286a96c4f45b594b0eccd0f761b495705c18f2ae9461b831376"
diff --git a/meta/recipes-kernel/cryptodev/files/kernel-4-10-changes.patch b/meta/recipes-kernel/cryptodev/files/kernel-4-10-changes.patch
new file mode 100644
index 0000000..93d608b
--- /dev/null
+++ b/meta/recipes-kernel/cryptodev/files/kernel-4-10-changes.patch
@@ -0,0 +1,57 @@ 
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+From 2b29be8ac41414ed19cb4f5d5626d9bd0d7b11a8 Mon Sep 17 00:00:00 2001
+From: Cristian Stoica <cristian.stoica@nxp.com>
+Date: Wed, 8 Feb 2017 12:11:04 +0200
+Subject: [PATCH] adjust to API changes in kernel >=4.10
+
+There are many changes related to get_user_pages and the code is rewritten
+for clarity.
+
+Signed-off-by: Cristian Stoica <cristian.stoica@nxp.com>
+---
+ zc.c | 28 +++++++++++++++++-----------
+ 1 file changed, 17 insertions(+), 11 deletions(-)
+
+diff --git a/zc.c b/zc.c
+index e766ee3..2f4ea99 100644
+--- a/zc.c
++++ b/zc.c
+@@ -59,19 +59,25 @@ int __get_userbuf(uint8_t __user *addr, uint32_t len, int write,
+ 	}
+ 
+ 	down_read(&mm->mmap_sem);
+-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0))
+-	ret = get_user_pages_remote(
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 6, 0))
++	ret = get_user_pages(task, mm,
++			(unsigned long)addr, pgcount, write, 0, pg, NULL);
+ #else
+-	ret = get_user_pages(
+-#endif
+-			task, mm,
+-			(unsigned long)addr, pgcount,
+-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0))
+-			write ? FOLL_WRITE : 0,
+-#else
+-			write, 0,
+-#endif
++#  if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 9, 0))
++	ret = get_user_pages_remote(task, mm,
++			(unsigned long)addr, pgcount, write, 0, pg, NULL);
++#  else
++#    if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0))
++	ret = get_user_pages_remote(task, mm,
++			(unsigned long)addr, pgcount, write ? FOLL_WRITE : 0,
+ 			pg, NULL);
++#    else
++	ret = get_user_pages_remote(task, mm,
++			(unsigned long)addr, pgcount, write ? FOLL_WRITE : 0,
++			pg, NULL, NULL);
++#    endif
++#  endif
++#endif
+ 	up_read(&mm->mmap_sem);
+ 	if (ret != pgcount)
+ 		return -EINVAL;