On Thu, Apr 18, 2019 at 1:08 AM Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote: > > Hi. > > I have a question about 'vdso_install'. > > > In my understanding, vdso is embedded in the kernel. > In addition, you can run 'make vdso_install' > to install an unstripped version of vdso. > (Mainly, debugging purpose?) > > By default, 'make vdso_install' will install it to > /lib/modules/$(uname -r)/vdso/. > > > Since that directly is owned by root, > 'make vdso_install' could potentially be > executed by root, isn't it? > > > Currently, 'vdso_install' depends on vdso, > so it may cause recompilation of objects > in the source tree. Hmm. I suppose an alternative would be for vdso_install to fail if the vdso isn't built? What's the ideal outcome here?