From: Guo Ren <guoren@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Anup Patel <Anup.Patel@wdc.com>,
linux-riscv <linux-riscv@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-csky@vger.kernel.org,
linux-arch <linux-arch@vger.kernel.org>,
Guo Ren <guoren@linux.alibaba.com>, Arnd Bergmann <arnd@arndb.de>,
Anup Patel <anup@brainfault.org>,
Palmer Dabbelt <palmerdabbelt@google.com>
Subject: Re: [PATCH] riscv: atomic: Using ARCH_ATOMIC in asm/atomic.h
Date: Thu, 15 Apr 2021 21:15:32 +0800 [thread overview]
Message-ID: <CAJF2gTT7ft8xNkQcAef1XFuWsVdNHcoGMZt-mWFmk47fKh0ecg@mail.gmail.com> (raw)
In-Reply-To: <YHf+z0AotZmjvaJ/@hirez.programming.kicks-ass.net>
Sorry, forgot riscv32. I would fix that.
On Thu, Apr 15, 2021 at 4:52 PM Peter Zijlstra <peterz@infradead.org> wrote:
>
> On Thu, Apr 15, 2021 at 07:39:22AM +0000, guoren@kernel.org wrote:
> > - Add atomic_andnot_* operation
>
> > @@ -76,6 +59,12 @@ ATOMIC_OPS(sub, add, -i)
> > ATOMIC_OPS(and, and, i)
> > ATOMIC_OPS( or, or, i)
> > ATOMIC_OPS(xor, xor, i)
> > +ATOMIC_OPS(andnot, and, -i)
>
> ~i, surely.
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
next prev parent reply other threads:[~2021-04-15 13:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 7:39 [PATCH] riscv: atomic: Using ARCH_ATOMIC in asm/atomic.h guoren
2021-04-15 8:52 ` Peter Zijlstra
2021-04-15 13:15 ` Guo Ren [this message]
2021-04-17 1:36 ` Guo Ren
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