diff options
Diffstat (limited to 'recipes-extended/dpdk/dpdk/0001-Starting-from-Linux-5.9-get_user_pages_remote-API-do.patch')
| -rw-r--r-- | recipes-extended/dpdk/dpdk/0001-Starting-from-Linux-5.9-get_user_pages_remote-API-do.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes-extended/dpdk/dpdk/0001-Starting-from-Linux-5.9-get_user_pages_remote-API-do.patch b/recipes-extended/dpdk/dpdk/0001-Starting-from-Linux-5.9-get_user_pages_remote-API-do.patch new file mode 100644 index 00000000..ad6fd939 --- /dev/null +++ b/recipes-extended/dpdk/dpdk/0001-Starting-from-Linux-5.9-get_user_pages_remote-API-do.patch @@ -0,0 +1,54 @@ +From 7e0102a6d29732b92c25ca4793d641ce6c98e95a Mon Sep 17 00:00:00 2001 +From: He Zhe <zhe.he@windriver.com> +Date: Wed, 23 Sep 2020 11:00:03 +0800 +Subject: [PATCH] Starting from Linux 5.9 'get_user_pages_remote()' API doesn't + get 'struct task_struct' parameter: commit 64019a2e467a ("mm/gup: remove + task_struct pointer for all gup code") + +The change reflected to the KNI with version check. + +Cc: stable@dpdk.org + +Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com> + +Upstream-Status: Backport [https://patches.dpdk.org/patch/75577/] + +Signed-off-by: He Zhe <zhe.he@windriver.com> +--- + kernel/linux/kni/compat.h | 4 ++++ + kernel/linux/kni/kni_dev.h | 5 +++++ + 2 files changed, 9 insertions(+) + +diff --git a/kernel/linux/kni/compat.h b/kernel/linux/kni/compat.h +index 9ee45dbf6..d515b2766 100644 +--- a/kernel/linux/kni/compat.h ++++ b/kernel/linux/kni/compat.h +@@ -134,3 +134,7 @@ + #if KERNEL_VERSION(5, 6, 0) <= LINUX_VERSION_CODE + #define HAVE_TX_TIMEOUT_TXQUEUE + #endif ++ ++#if KERNEL_VERSION(5, 9, 0) > LINUX_VERSION_CODE ++#define HAVE_TSK_IN_GUP ++#endif +diff --git a/kernel/linux/kni/kni_dev.h b/kernel/linux/kni/kni_dev.h +index ca5f92a47..c15da311b 100644 +--- a/kernel/linux/kni/kni_dev.h ++++ b/kernel/linux/kni/kni_dev.h +@@ -101,8 +101,13 @@ static inline phys_addr_t iova_to_phys(struct task_struct *tsk, + offset = iova & (PAGE_SIZE - 1); + + /* Read one page struct info */ ++#ifdef HAVE_TSK_IN_GUP + ret = get_user_pages_remote(tsk, tsk->mm, iova, 1, + FOLL_TOUCH, &page, NULL, NULL); ++#else ++ ret = get_user_pages_remote(tsk->mm, iova, 1, ++ FOLL_TOUCH, &page, NULL, NULL); ++#endif + if (ret < 0) + return 0; + +-- +2.17.1 + |