On Thu, Jul 16, 2020 at 06:49:09PM +0200, Christophe Leroy wrote: > Jarkko Sakkinen <jarkko.sakki...@linux.intel.com> a écrit : > > > Rename module_alloc() to text_alloc() and module_memfree() to > > text_memfree(), and move them to kernel/text.c, which is unconditionally > > compiled to the kernel proper. This allows kprobes, ftrace and bpf to > > allocate space for executable code without requiring to compile the modules > > support (CONFIG_MODULES=y) in. > > You are not changing enough in powerpc to have this work. > On powerpc 32 bits (6xx), when STRICT_KERNEL_RWX is selected, the vmalloc > space is set to NX (no exec) at segment level (ie by 256Mbytes zone) unless > CONFIG_MODULES is selected. > > Christophe
This has been deduced down to: https://lore.kernel.org/lkml/20200717030422.679972-1-jarkko.sakki...@linux.intel.com/ I.e. not intruding PPC anymore :-) /Jarkko
