Re: [PATCH v3 6/8] x86/module: perpare module loading for ROX allocations of text

Steven Rostedt <[email protected]>
Newsgroups gmane.linux.ports.hexagon,gmane.linux.kernel.bpf,gmane.linux.ports.alpha,gmane.linux.kernel.cross-arch,gmane.linux.ports.arm.kernel,gmane.linux.kernel,gmane.linux.ports.mips,gmane.linux.kernel.mm,gmane.linux.kernel.modules,gmane.linux.ports.parisc,gmane.linux.ports.riscv,gmane.linux.ports.sh.devel,gmane.linux.kernel.arc,gmane.linux.uml.devel,gmane.linux.ports.ppc64.devel,gmane.linux.ports.sparc
Message-ID <[email protected]>
On Mon, 9 Sep 2024 17:34:48 +0300
Mike Rapoport <[email protected]> wrote:

> > This is insane, just force BUILDTIME_MCOUNT_SORT  
> 
> The comment in ftrace.c says "... while mcount loc in modules can not be
> sorted at build time"
>  
> I don't know enough about objtool, but I'd presume it's because the sorting
> should happen after relocations, no?
> 

IIRC, the sorting at build time uses scripts/sorttable.c, which from what I
can tell, only gets called on vmlinux.

-- Steve
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