risc-v: replace bitmap_weight with bitmap_empty in riscv_fill_hwcap()

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bitmap_empty() is better than bitmap_weight() because it may return
earlier, and improves on readability.

CC: Albert Ou <aou@eecs.berkeley.edu>
CC: Anup Patel <anup@brainfault.org>
CC: Atish Patra <atishp@atishpatra.org>
CC: Jisheng Zhang <jszhang@kernel.org>
CC: Palmer Dabbelt <palmer@dabbelt.com>
CC: Paul Walmsley <paul.walmsley@sifive.com>
CC: Tsukasa OI <research_trasio@irq.a4lg.com>
CC: linux-riscv@lists.infradead.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>

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This commit is contained in:

Yury Norov 2022-05-08 07:49:50 -07:00

parent 5f8dac3fc7

commit 8f51558e80

1 changed files with 3 additions and 4 deletions

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7

arch/riscv/kernel/cpufeature.c

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