On Tue, 2016-06-28 at 16:15 +0530, Aneesh Kumar K.V wrote:
> Michael Ellerman <m...@ellerman.id.au> writes:
> > diff --git a/arch/powerpc/include/asm/pgtable.h
> > b/arch/powerpc/include/asm/pgtable.h
> > index ee09e99097f0..651848039dc4 100644
> > --- a/arch/powerpc/include/asm/pgtable.h
> > +++ b/arch/powerpc/include/asm/pgtable.h
> > @@ -71,10 +71,8 @@ pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir,
> > unsigned long ea,
> > static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long
> > ea,
> > bool *is_thp, unsigned *shift)
> > {
> > - if (!arch_irqs_disabled()) {
> > - pr_info("%s called with irq enabled\n", __func__);
> > - dump_stack();
> > - }
> > + VM_WARN_ONCE(!arch_irqs_disabled(),
> > + "find_linux_pte_or_hugepte() called with irqs enabled!\n");
> > return __find_linux_pte_or_hugepte(pgdir, ea, is_thp, shift);
> > }
> >
>
> https://lkml.kernel.org/r/574de240.uG8/5OM2Lu9RY6K+%akpm@linux-foundation.orgdd
>
> Isn't this patch already part of -mm.
Ugh, yes. I missed that you'd already sent it.
> And why ONCE, we want to find about all the wrong usage.
Sure, but if you hit it repeatedly in a common path you're likely to kill the
box just with console spam.
But I don't mind. Ignore this version.
cheers
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