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

2021-03-27 Thread Guo Ren
Thx Arnd, On Sun, Mar 28, 2021 at 5:25 AM Arnd Bergmann wrote: > > On Sat, Mar 27, 2021 at 7:06 PM wrote: > > > > From: Guo Ren > > > > To reduce assembly codes, let's merge duplicate codes into one > > (xchg_acquire, xchg_release, cmpxchg_release). > > > > Signed-off-by: Guo Ren > > This is

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

2021-03-27 Thread Arnd Bergmann
On Sat, Mar 27, 2021 at 7:06 PM wrote: > > From: Guo Ren > > To reduce assembly codes, let's merge duplicate codes into one > (xchg_acquire, xchg_release, cmpxchg_release). > > Signed-off-by: Guo Ren This is a nice cleanup, but I wonder if you can go even further by using the definitions from

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

2021-03-27 Thread guoren
From: Guo Ren To reduce assembly codes, let's merge duplicate codes into one (xchg_acquire, xchg_release, cmpxchg_release). Signed-off-by: Guo Ren Link: https://lore.kernel.org/linux-riscv/CAJF2gTT1_mP-wiK2HsCpTeU61NqZVKZX1A5ye=twqvgn4tp...@mail.gmail.com/ Cc: Peter Zijlstra Cc: Michael