bus/pci: fix use after free on unplug

[dpdk.git] / config / meson.build

diff --git a/config/meson.build b/config/meson.build
index 0b83594..17b5bec 100644 (file)
--- a/config/meson.build
+++ b/config/meson.build
@@ -287,8 +287,6 @@ foreach arg: warning_flags
 endforeach
 
 # set other values pulled from the build options
-dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
-dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
 dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
 dpdk_conf.set('RTE_ENABLE_TRACE_FP', get_option('enable_trace_fp'))
@@ -301,7 +299,9 @@ if dpdk_conf.get('RTE_ARCH_64')
 else # for 32-bit we need smaller reserved memory areas
     dpdk_conf.set('RTE_MAX_MEM_MB', 2048)
 endif
-
+if get_option('mbuf_refcnt_atomic')
+    dpdk_conf.set('RTE_MBUF_REFCNT_ATOMIC', true)
+endif
 
 compile_time_cpuflags = []
 subdir(arch_subdir)
@@ -322,6 +322,51 @@ if meson.is_cross_build()
     endif
 endif
 
+max_lcores = get_option('max_lcores')
+if max_lcores == 'detect'
+    # discovery makes sense only for non-cross builds
+    if meson.is_cross_build()
+        error('Discovery of max_lcores is not supported for cross-compilation.')
+    endif
+    # overwrite the default value with discovered values
+    max_lcores = run_command(get_cpu_count_cmd).stdout().to_int()
+    min_lcores = 2
+    # DPDK must be built for at least 2 cores
+    if max_lcores < min_lcores
+        message('Found less than @0@ cores, building for @0@ cores'.format(min_lcores))
+        max_lcores = min_lcores
+    else
+        message('Found @0@ cores'.format(max_lcores))
+    endif
+    dpdk_conf.set('RTE_MAX_LCORE', max_lcores)
+elif max_lcores != 'default'
+    # overwrite the default value from arch_subdir with user input
+    dpdk_conf.set('RTE_MAX_LCORE', max_lcores.to_int())
+endif
+
+max_numa_nodes = get_option('max_numa_nodes')
+if max_numa_nodes == 'detect'
+    # discovery makes sense only for non-cross builds
+    if meson.is_cross_build()
+        error('Discovery of max_numa_nodes not supported for cross-compilation.')
+    endif
+    # overwrite the default value with discovered values
+    max_numa_nodes = run_command(get_numa_count_cmd).stdout().to_int()
+    message('Found @0@ numa nodes'.format(max_numa_nodes))
+    dpdk_conf.set('RTE_MAX_NUMA_NODES', max_numa_nodes)
+elif max_numa_nodes != 'default'
+    # overwrite the default value from arch_subdir with user input
+    dpdk_conf.set('RTE_MAX_NUMA_NODES', max_numa_nodes.to_int())
+endif
+
+# check that CPU and NUMA counts are set
+if not dpdk_conf.has('RTE_MAX_LCORE')
+    error('Number of CPU cores not specified.')
+endif
+if not dpdk_conf.has('RTE_MAX_NUMA_NODES')
+    error('Number of NUMA nodes not specified.')
+endif
+
 # set the install path for the drivers
 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
 
@@ -368,6 +413,26 @@ if get_option('b_lto')
     endif
 endif
 
+if get_option('b_sanitize') == 'address' or get_option('b_sanitize') == 'address,undefined'
+    if is_windows
+        error('ASan is not supported on windows')
+    endif
+
+    if cc.get_id() == 'gcc'
+        asan_dep = cc.find_library('asan', required: true)
+        if (not cc.links('int main(int argc, char *argv[]) { return 0; }',
+                dependencies: asan_dep))
+            error('broken dependency, "libasan"')
+        endif
+        add_project_link_arguments('-lasan', language: 'c')
+        dpdk_extra_ldflags += '-lasan'
+    endif
+
+    if is_linux and arch_subdir == 'x86' and dpdk_conf.get('RTE_ARCH_64')
+        dpdk_conf.set10('RTE_MALLOC_ASAN', true)
+    endif
+endif
+
 if get_option('default_library') == 'both'
     error( '''
  Unsupported value "both" for "default_library" option.