kni: fix build with Linux 6.5
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Commit Message
The get_user_pages_remote() API has been modified in Linux kernel v6.5
[1], "struct vm_area_struct **vmas" parameter removed from the API.
To fix KNI build with Linux kernel v6.5, version check added around the
get_user_pages_remote() API.
[1]
ca5e863233e8 ("mm/gup: remove vmas parameter from get_user_pages_remote()")
Cc: stable@dpdk.org
Signed-off-by: Ferruh Yigit <ferruh.yigit@amd.com>
---
kernel/linux/kni/compat.h | 4 ++++
kernel/linux/kni/kni_dev.h | 4 ++++
2 files changed, 8 insertions(+)
Comments
11/07/2023 12:09, Ferruh Yigit:
> The get_user_pages_remote() API has been modified in Linux kernel v6.5
> [1], "struct vm_area_struct **vmas" parameter removed from the API.
>
> To fix KNI build with Linux kernel v6.5, version check added around the
> get_user_pages_remote() API.
>
> [1]
> ca5e863233e8 ("mm/gup: remove vmas parameter from get_user_pages_remote()")
>
> Cc: stable@dpdk.org
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@amd.com>
Applied, thanks.
@@ -151,3 +151,7 @@
RHEL_RELEASE_VERSION(9, 1) <= RHEL_RELEASE_CODE))
#define HAVE_NETIF_RX_NI
#endif
+
+#if KERNEL_VERSION(6, 5, 0) > LINUX_VERSION_CODE
+#define HAVE_VMA_IN_GUP
+#endif
@@ -107,7 +107,11 @@ static inline phys_addr_t iova_to_phys(struct task_struct *tsk,
#ifdef HAVE_TSK_IN_GUP
ret = get_user_pages_remote(tsk, tsk->mm, iova, 1, 0, &page, NULL, NULL);
#else
+ #ifdef HAVE_VMA_IN_GUP
ret = get_user_pages_remote(tsk->mm, iova, 1, 0, &page, NULL, NULL);
+ #else
+ ret = get_user_pages_remote(tsk->mm, iova, 1, 0, &page, NULL);
+ #endif
#endif
if (ret < 0)
return 0;