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[Qemu-devel] [PULL 09/38] configure: probe for memfd
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL 09/38] configure: probe for memfd |
Date: |
Wed, 21 Oct 2015 13:26:54 +0300 |
From: Marc-André Lureau <address@hidden>
Check if memfd_create() is part of system libc.
Signed-off-by: Marc-André Lureau <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
Tested-by: Thibaut Collet <address@hidden>
---
configure | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/configure b/configure
index 9eec860..8d9b83c 100755
--- a/configure
+++ b/configure
@@ -3495,6 +3495,22 @@ 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 > $TMPC << EOF
@@ -4889,6 +4905,9 @@ fi
if test "$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
--
MST
- [Qemu-devel] [PULL 00/38] vhost, pc, virtio features, fixes, cleanups, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 01/38] intel_iommu: Add support for translation for devices behind bridges, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 02/38] exec: factor out duplicate mmap code, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 03/38] net: don't set native endianness, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 04/38] tests: re-enable vhost-user-test, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 06/38] pc-dimm: add vhost slots limit check before commiting to hotplug, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 07/38] vhost: fail backend intialization early, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 05/38] vhost: add vhost_has_free_slot() interface, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 08/38] virtio: add some migration doc, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 09/38] configure: probe for memfd,
Michael S. Tsirkin <=
- [Qemu-devel] [PULL 11/38] build-sys: split util-obj- on multi-lines, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 12/38] util: add linux-only memfd fallback, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 13/38] util: add memfd helpers, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 14/38] util: add fallback for qemu_memfd_alloc(), Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 15/38] vhost: document log resizing, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 16/38] vhost: add vhost_set_log_base op, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 10/38] linux-headers: add unistd.h, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 17/38] vhost-user: add vhost_user_requires_shm_log(), Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 18/38] vhost: alloc shareable log, Michael S. Tsirkin, 2015/10/21
- [Qemu-devel] [PULL 19/38] vhost-user: send log shm fd along with log_base, Michael S. Tsirkin, 2015/10/21