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[Qemu-devel] [PATCH v8 02/27] configure: probe for memfd
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH v8 02/27] configure: probe for memfd |
Date: |
Fri, 9 Oct 2015 17:17:16 +0200 |
From: Marc-André Lureau <address@hidden>
Check if memfd_create() is part of system libc.
Signed-off-by: Marc-André Lureau <address@hidden>
---
configure | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/configure b/configure
index 2d2a498..a68863c 100755
--- a/configure
+++ b/configure
@@ -3486,6 +3486,22 @@ if compile_prog "" "" ; then
eventfd=yes
fi
+# check if memfd is supported
+memfd=no
+cat > $TMPC << EOF
+#include <sys/memfd.h>
+
+int main(void)
+{
+ return memfd_create("foo", MFD_ALLOW_SEALING);
+}
+EOF
+if compile_prog "" "" ; then
+ memfd=yes
+fi
+
+
+
# check for fallocate
fallocate=no
cat > $TMPC << EOF
@@ -4857,6 +4873,9 @@ fi
if test "$eventfd" = "yes" ; then
echo "CONFIG_EVENTFD=y" >> $config_host_mak
fi
+if test "$memfd" = "yes" ; then
+ echo "CONFIG_MEMFD=y" >> $config_host_mak
+fi
if test "$fallocate" = "yes" ; then
echo "CONFIG_FALLOCATE=y" >> $config_host_mak
fi
--
2.4.3
- [Qemu-devel] [PATCH v8 00/27] vhost-user: add migration support, marcandre . lureau, 2015/10/10
- [Qemu-devel] [PATCH v8 02/27] configure: probe for memfd,
marcandre . lureau <=
- [Qemu-devel] [PATCH v8 06/27] util: add memfd helpers, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 05/27] util: add linux-only memfd fallback, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 14/27] vhost: use a function for each call, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 07/27] util: add fallback for qemu_memfd_alloc(), marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 12/27] vhost-user: send log shm fd along with log_base, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 16/27] net: add trace_vhost_user_event, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 18/27] vhost user: add rarp sending after live migration for legacy guest, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 17/27] vhost user: add support of live migration, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 26/27] vhost-user-test: check ownership during migration, marcandre . lureau, 2015/10/09
- [Qemu-devel] [PATCH v8 21/27] vhost-user-test: move wait_for_fds() out, marcandre . lureau, 2015/10/09