On Mon, Dec 3, 2018 at 9:53 AM Dave Hansen wrote:
>
> On 11/30/18 4:35 PM, Dan Williams wrote:
> > +/*
> > + * The _safe versions of set_{pte,pmd,pud,p4d,pgd} validate that the
> > + * entry was not populated previously. I.e. for cases where a flush-tlb
> > + * is elided, double-check that there
On Mon, Dec 3, 2018 at 9:53 AM Dave Hansen wrote:
>
> On 11/30/18 4:35 PM, Dan Williams wrote:
> > +/*
> > + * The _safe versions of set_{pte,pmd,pud,p4d,pgd} validate that the
> > + * entry was not populated previously. I.e. for cases where a flush-tlb
> > + * is elided, double-check that there
On 11/30/18 4:35 PM, Dan Williams wrote:
> +/*
> + * The _safe versions of set_{pte,pmd,pud,p4d,pgd} validate that the
> + * entry was not populated previously. I.e. for cases where a flush-tlb
> + * is elided, double-check that there is no stale mapping to shoot down.
> + */
Functionally these
On 11/30/18 4:35 PM, Dan Williams wrote:
> +/*
> + * The _safe versions of set_{pte,pmd,pud,p4d,pgd} validate that the
> + * entry was not populated previously. I.e. for cases where a flush-tlb
> + * is elided, double-check that there is no stale mapping to shoot down.
> + */
Functionally these
Commit f77084d96355 "x86/mm/pat: Disable preemption around
__flush_tlb_all()" introduced a warning to capture cases
__flush_tlb_all() is called without pre-emption disabled. It triggers a
false positive warning in the memory hotplug path. On investigation it
was found that the __flush_tlb_all()
Commit f77084d96355 "x86/mm/pat: Disable preemption around
__flush_tlb_all()" introduced a warning to capture cases
__flush_tlb_all() is called without pre-emption disabled. It triggers a
false positive warning in the memory hotplug path. On investigation it
was found that the __flush_tlb_all()
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