Just to make it clear, the stack design gets rid of crap like:
-#define __KM_PTE \
- (in_nmi() ? KM_NMI_PTE : \
- in_irq() ? KM_IRQ_PTE : \
- KM_PTE0)
and
-static inline enum km_type crypto_kmap_type(int out)
-{
- enum km_type type;
-
- if (in_softirq())
- type = out * (KM_SOFTIRQ1 - KM_SOFTIRQ0) + KM_SOFTIRQ0;
- else
- type = out * (KM_USER1 - KM_USER0) + KM_USER0;
-
- return type;
-}
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