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0 pointscolonwqbang6mo ago0 comments

I wrote "multithreaded" but I really meant "multicore". If two cores are contending for a lock I don't see how irq protection help. As long as there is only one core, I agree.

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cogman106mo ago

On most multicore systems you can pin the IRQ handling to a single core. Pinning locking interrupts to a single core would be how you handle this.

colonwqbangOP6mo ago

True, but locks are not only needed inside IRQ handler routines.

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cogman106mo ago

On most multicore systems you can pin the IRQ handling to a single core. Pinning locking interrupts to a single core would be how you handle this.

colonwqbangOP6mo ago

True, but locks are not only needed inside IRQ handler routines.

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