Messages in this thread | | | Date | Mon, 13 Jul 2020 08:55:03 +0300 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH RFC] kprobes: Remove MODULES dependency |
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On Fri, Jul 10, 2020 at 09:22:43AM -0400, Steven Rostedt wrote: > On Fri, 10 Jul 2020 22:18:02 +0900 > Masami Hiramatsu <mhiramat@kernel.org> wrote: > > > > > Agreed. As far as I know, ftrace and bpf also depends on module_alloc(), > > so text_alloc() will help them too. > > > > Yes please. > > arch/x86/kernel/ftrace.c: > > #ifdef CONFIG_MODULES > #include <linux/moduleloader.h> > /* Module allocation simplifies allocating memory for code */ > static inline void *alloc_tramp(unsigned long size) > { > return module_alloc(size); > } > static inline void tramp_free(void *tramp) > { > module_memfree(tramp); > } > #else > /* Trampolines can only be created if modules are supported */ > static inline void *alloc_tramp(unsigned long size) > { > return NULL; > } > static inline void tramp_free(void *tramp) { } > #endif > > -- Steve
Thanks, note taken. I'll take this into account in the next version.
/Jarkko
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