recent -stable kernels have their own fallback definition of is_compat_task
#define is_compat_task() (0)
To protect against this double definition of is_compat_task we can check
to see if it is already defined, and skip the lttng variant.
Signed-off-by: Bruce Ashfield <bruce.ashfi...@windriver.com>
---
...ls-protect-is_compat_task-from-redefiniti.patch | 41 ++++++++++++++++++++
.../lttng-2.0/lttng-modules_2.0.pre11.bb | 3 +-
2 files changed, 43 insertions(+), 1 deletions(-)
create mode 100644
meta/recipes-kernel/lttng-2.0/lttng-modules/lttng-sycalls-protect-is_compat_task-from-redefiniti.patch
diff --git
a/meta/recipes-kernel/lttng-2.0/lttng-modules/lttng-sycalls-protect-is_compat_task-from-redefiniti.patch
b/meta/recipes-kernel/lttng-2.0/lttng-modules/lttng-sycalls-protect-is_compat_task-from-redefiniti.patch
new file mode 100644
index 0000000..0056633
--- /dev/null
+++
b/meta/recipes-kernel/lttng-2.0/lttng-modules/lttng-sycalls-protect-is_compat_task-from-redefiniti.patch
@@ -0,0 +1,41 @@
+From 415a1a678cb2fcf603f9777f2c7b71c1e38f8101 Mon Sep 17 00:00:00 2001
+From: Bruce Ashfield <bruce.ashfi...@windriver.com>
+Date: Mon, 19 Mar 2012 13:30:31 -0400
+Subject: [PATCH] lttng-sycalls: protect is_compat_task from redefinition
+
+recent -stable kernels have their own fallback definition of is_compat_task
+
+ #define is_compat_task() (0)
+
+To protect against this double definition of is_compat_task we can check
+to see if it is already defined, and skip the lttng variant.
+
+Signed-off-by: Bruce Ashfield <bruce.ashfi...@windriver.com>
+---
+ lttng-syscalls.c | 4 ++++
+ 1 files changed, 4 insertions(+), 0 deletions(-)
+
+diff --git a/lttng-syscalls.c b/lttng-syscalls.c
+index 9de3c07..80d0f05 100644
+--- a/lttng-syscalls.c
++++ b/lttng-syscalls.c
+@@ -17,12 +17,16 @@
+ #include "ltt-events.h"
+
+ #ifndef CONFIG_COMPAT
++
++#ifndef is_compat_task
+ static inline int is_compat_task(void)
+ {
+ return 0;
+ }
+ #endif
+
++#endif
++
+ static
+ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id);
+
+--
+1.7.5.4
+
diff --git a/meta/recipes-kernel/lttng-2.0/lttng-modules_2.0.pre11.bb
b/meta/recipes-kernel/lttng-2.0/lttng-modules_2.0.pre11.bb
index fa7bbec..4c78f36 100644
--- a/meta/recipes-kernel/lttng-2.0/lttng-modules_2.0.pre11.bb
+++ b/meta/recipes-kernel/lttng-2.0/lttng-modules_2.0.pre11.bb
@@ -15,7 +15,8 @@ PV = "2.0.pre11+git${SRCREV}"
PR = "r0"
SRC_URI = "git://git.lttng.org/lttng-modules.git;protocol=git \
- file://lttng-modules-replace-KERNELDIR-with-KERNEL_SRC.patch"
+ file://lttng-modules-replace-KERNELDIR-with-KERNEL_SRC.patch \
+ file://lttng-sycalls-protect-is_compat_task-from-redefiniti.patch"
export INSTALL_MOD_DIR="kernel/lttng-modules"
export KERNEL_SRC="${STAGING_KERNEL_DIR}"
--
1.7.5.4
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