From: Damjan Marion <damarion@cisco.com>
Date: Mon, 18 Mar 2019 16:06:51 +0000 (+0100)
Subject: Fix build with newer linux headers
X-Git-Tag: v19.04-rc1~196
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=1ee346a0a61b454a1ce879f97cb9c06267d1e107;p=vpp.git

Fix build with newer linux headers

Change-Id: Ibfdcec60567ec357205fa137257f2d8cba44b01c
Signed-off-by: Damjan Marion <damarion@cisco.com>
---

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 161e3c57c44..d467da7549a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -84,7 +84,7 @@ set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 
-include(cmake/memfd.cmake)
+include(cmake/syscall.cmake)
 include(cmake/api.cmake)
 include(cmake/library.cmake)
 include(cmake/exec.cmake)
diff --git a/src/cmake/memfd.cmake b/src/cmake/syscall.cmake
similarity index 84%
rename from src/cmake/memfd.cmake
rename to src/cmake/syscall.cmake
index ca499c459ab..1e0a559b5df 100644
--- a/src/cmake/memfd.cmake
+++ b/src/cmake/syscall.cmake
@@ -24,3 +24,13 @@ if (HAVE_MEMFD_CREATE)
     add_definitions(-DHAVE_MEMFD_CREATE)
 endif()
 
+check_c_source_compiles("
+  #define _GNU_SOURCE
+  #include <sched.h>
+  int main() { return getcpu (0, 0); }
+" HAVE_GETCPU)
+
+if (HAVE_GETCPU)
+    add_definitions(-DHAVE_GETCPU)
+endif()
+
diff --git a/src/vppinfra/linux/syscall.h b/src/vppinfra/linux/syscall.h
index 1ae029d5802..c07cad631bd 100644
--- a/src/vppinfra/linux/syscall.h
+++ b/src/vppinfra/linux/syscall.h
@@ -19,11 +19,13 @@
 #include <unistd.h>
 #include <sys/syscall.h>
 
+#ifndef HAVE_GETCPU
 static inline int
-getcpu (unsigned *cpu, unsigned *node, void *tcache)
+getcpu (unsigned *cpu, unsigned *node)
 {
-  return syscall (__NR_getcpu, cpu, node, tcache);
+  return syscall (__NR_getcpu, cpu, node, 0);
 }
+#endif
 
 static inline long
 set_mempolicy (int mode, const unsigned long *nodemask, unsigned long maxnode)
diff --git a/src/vppinfra/pmalloc.c b/src/vppinfra/pmalloc.c
index 9f908f40cc9..d9e50d15733 100644
--- a/src/vppinfra/pmalloc.c
+++ b/src/vppinfra/pmalloc.c
@@ -21,6 +21,7 @@
 #include <unistd.h>
 #include <linux/mempolicy.h>
 #include <linux/memfd.h>
+#include <sched.h>
 
 #include <vppinfra/format.h>
 #include <vppinfra/linux/syscall.h>
@@ -53,7 +54,7 @@ pmalloc_validate_numa_node (u32 * numa_node)
   if (*numa_node == CLIB_PMALLOC_NUMA_LOCAL)
     {
       u32 cpu;
-      if (getcpu (&cpu, numa_node, 0) != 0)
+      if (getcpu (&cpu, numa_node) != 0)
 	return 1;
     }
   return 0;