Re: [PATCH 0/3] Cleanup MAY_HAVE_SPARSE_IRQ

From: Kefeng Wang
Date: Tue Sep 28 2021 - 01:43:32 EST



On 2021/9/28 13:08, Guo Ren wrote:
On Mon, Sep 27, 2021 at 4:11 PM Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote:
Most ARCHs support SPARSE_IRQ, and MAY_HAVE_SPARSE_IRQ is useless, and
only sh and csky select it, but the could use SPARSE_IRQ too, let's
kill MAY_HAVE_SPARSE_IRQ, also cleanup the kernel/irq/Kconfig a little.
Can you elaborate the reason on why we need to kill MAY_HAVE_SPARSE_IRQ?
What are the benefits after the patch? (As you know we couldn't drop
"!SPARSE_IRQ".)

If csky want to keep MAY_HAVE_SPARSE_IRQ, then I won't kill it, or no one use it,

then cleanup it.