Jeremy Fitzhardinge wrote:
@@ -261,10 +261,12 @@ void pgd_ctor(void *pgd, struct kmem_cacspin_unlock_irqrestore(&pgd_lock, flags); }-/* never called when PTRS_PER_PMD > 1 */-void pgd_dtor(void *pgd, struct kmem_cache *cache, unsigned long unused) +static void pgd_dtor(pgd_t *pgd) { unsigned long flags; /* can be called from interrupt context */ + + if (PTRS_PER_PMD == 1) + return;paravirt_release_pd(__pa(pgd) >> PAGE_SHIFT);spin_lock_irqsave(&pgd_lock, flags);
Acked, with exceptions. This bit breaks VMI. The paravirt_release_pd must happen unconditionally. But I would rather fix it after patches get applied just to make sure the entire allocation / deallocation order constraints are intact.
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