Re: [PATCH v5 4/8] module: prepare to handle ROX allocations for text

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On Wed, Oct 9, 2024 at 10:47 PM Mike Rapoport <rppt@xxxxxxxxxx> wrote:
>
> On Wed, Oct 09, 2024 at 03:23:40PM -0700, Song Liu wrote:
> > On Wed, Oct 9, 2024 at 11:10 AM Mike Rapoport <rppt@xxxxxxxxxx> wrote:
> > [...]
> > > diff --git a/include/linux/module.h b/include/linux/module.h
> > > index 88ecc5e9f523..7039f609c6ef 100644
> > > --- a/include/linux/module.h
> > > +++ b/include/linux/module.h
> > > @@ -367,6 +367,8 @@ enum mod_mem_type {
> > >
> > >  struct module_memory {
> > >         void *base;
> > > +       void *rw_copy;
> > > +       bool is_rox;
> > >         unsigned int size;
> >
> > Do we really need to hold the rw_copy all the time?
>
> We hold it only during module initialization, it's freed in
> post_relocation.

Ah, I missed this part. Sorry for the noise.

Song





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