Thread (63 messages) 63 messages, 12 authors, 2021-04-07

Re: [PATCH v4 2/4] riscv: cmpxchg.h: Merge macros

From: Guo Ren <guoren@kernel.org>
Date: 2021-03-28 01:51:52
Also in: linux-riscv, lkml

Thx Arnd,

On Sun, Mar 28, 2021 at 5:25 AM Arnd Bergmann [off-list ref] wrote:
On Sat, Mar 27, 2021 at 7:06 PM [off-list ref] wrote:
quoted
From: Guo Ren <redacted>

To reduce assembly codes, let's merge duplicate codes into one
(xchg_acquire, xchg_release, cmpxchg_release).

Signed-off-by: Guo Ren <redacted>
This is a nice cleanup, but I wonder if you can go even further by using
the definitions from atomic-arch-fallback.h like arm64 and x86 do.
Ok, I'll separate it from the qspinlock patchset and try atomic-arch-fallback.h.

-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/
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