[PATCH v2 4/4] RISC-V: Move to the new generic IRQ handler
hch at infradead.org
Wed Jan 24 23:46:58 PST 2018
On Wed, Jan 24, 2018 at 07:07:56PM -0800, Palmer Dabbelt wrote:
> The old mechanism for handling IRQs on RISC-V was pretty ugly: the arch
> code looked at the Kconfig entry for our first-level irqchip driver and
> called into it directly.
> This patch uses the new 0generic IRQ handling infastructure, which
> essentially just deletes a bunch of code. This does add an additional
> load to the interrupt latency, but there's a lot of tuning left to be
> done there on RISC-V so I think it's OK for now.
> Signed-off-by: Palmer Dabbelt <palmer at sifive.com>
Reviewed-by: Christoph Hellwig <hch at lst.de>
More information about the linux-riscv