On Wed, Nov 25, 2020 at 02:06:38PM +0400, marcandre.lur...@redhat.com wrote: > From: Marc-André Lureau <marcandre.lur...@redhat.com> > > Do not compile potentially panicking code, instead check memfd API is > present during configure time. > > Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> > --- > subprojects/libvhost-user/libvhost-user.c | 6 ------ > subprojects/libvhost-user/meson.build | 12 ++++++++++++ > 2 files changed, 12 insertions(+), 6 deletions(-)
Runtime checks are useful in environments where the QEMU and kernel version are not matched. In other words, if QEMU can be built against new kernel headers and launched on an old kernel then it needs to handle ENOSYS. But in some cases this situation is unlikely and we can stick to static feature checks. I'm not sure if it matters here, so... Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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