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The LEON interrupt controller has one single mask register for all IRQs per CPU, even though the genirq layer protects us from accessing the same IRQ at the same time other IRQs share the same mask register and may thus interfere. Some other IRQ controllers has a mask register or similar per IRQ instead which makes spinlocks unncessary. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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boot | ||
configs | ||
include/asm | ||
kernel | ||
lib | ||
math-emu | ||
mm | ||
oprofile | ||
prom | ||
Kconfig | ||
Kconfig.debug | ||
Makefile |