> > Is there a possibility for infinite recursion here? E.g. can
> > `lowcore_ptr[raw_smp_processor_id()]` point somewhere in between
> > `(void *)&S390_lowcore` and `(void *)(&S390_lowcore + 1))`?
>
> No, it's allocated with __get_free_pages() or memblock_alloc_low().
> But since this question cam
On Mon, 2023-12-11 at 11:26 +0100, Alexander Potapenko wrote:
> > +static inline void *arch_kmsan_get_meta_or_null(void *addr, bool
> > is_origin)
> > +{
> > + if (addr >= (void *)&S390_lowcore &&
> > + addr < (void *)(&S390_lowcore + 1)) {
> > + /*
> > +
> +static inline void *arch_kmsan_get_meta_or_null(void *addr, bool is_origin)
> +{
> + if (addr >= (void *)&S390_lowcore &&
> + addr < (void *)(&S390_lowcore + 1)) {
> + /*
> +* Different lowcores accessed via S390_lowcore are described
> +
arch_kmsan_get_meta_or_null() finds the lowcore shadow by querying the
prefix and calling kmsan_get_metadata() again.
kmsan_virt_addr_valid() delegates to virt_addr_valid().
Signed-off-by: Ilya Leoshkevich
---
arch/s390/include/asm/kmsan.h | 36 +++
1 file change
4 matches
Mail list logo
