Hello Geert, thank you for the message. On Tue, 12 Nov 2024 21:48:28 +0900, Geert Uytterhoeven wrote: > > On Mon, Nov 11, 2024 at 7:28 AM Hajime Tazaki <thehajime@xxxxxxxxx> wrote: > > As UML supports CONFIG_MMU=n case, it has to use an alternate ELF > > loader, FDPIC ELF loader. In this commit, we added necessary > > definitions in the arch, as UML has not been used so far. It also > > updates Kconfig file to use BINFMT_ELF_FDPIC under !MMU environment. > > > > Cc: Eric Biederman <ebiederm@xxxxxxxxxxxx> > > Cc: Kees Cook <kees@xxxxxxxxxx> > > Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> > > Cc: Christian Brauner <brauner@xxxxxxxxxx> > > Cc: Jan Kara <jack@xxxxxxx> > > Cc: linux-mm@xxxxxxxxx > > Cc: linux-fsdevel@xxxxxxxxxxxxxxx > > Signed-off-by: Hajime Tazaki <thehajime@xxxxxxxxx> > > Signed-off-by: Ricardo Koller <ricarkol@xxxxxxxxxx> > > Thanks for your patch! > > > --- a/fs/Kconfig.binfmt > > +++ b/fs/Kconfig.binfmt > > @@ -58,7 +58,7 @@ config ARCH_USE_GNU_PROPERTY > > config BINFMT_ELF_FDPIC > > bool "Kernel support for FDPIC ELF binaries" > > default y if !BINFMT_ELF > > - depends on ARM || ((M68K || RISCV || SUPERH || XTENSA) && !MMU) > > + depends on ARM || ((M68K || RISCV || SUPERH || UML || XTENSA) && !MMU) > > s/UML/X86/? I guess the fdpic loader can be used to X86, but this patchset only adds UML to be able to select it. I intended to add UML into nommu family. -- Hajime
