From: Peter Zijlstra <peterz@infradead.org>
To: Palmer Dabbelt <palmer@rivosinc.com>
Cc: linux-riscv@lists.infradead.org, jonas@southpole.se,
stefan.kristiansson@saunalahti.fi, shorne@gmail.com,
mingo@redhat.com, Will Deacon <will@kernel.org>,
longman@redhat.com, boqun.feng@gmail.com,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
aou@eecs.berkeley.edu, Arnd Bergmann <arnd@arndb.de>,
jszhang@kernel.org, wangkefeng.wang@huawei.com,
openrisc@lists.librecores.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 5/5] RISC-V: Move to queued RW locks
Date: Thu, 17 Mar 2022 10:47:35 +0100 [thread overview]
Message-ID: <YjMDt8BgtIZZH8IY@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20220316232600.20419-6-palmer@rivosinc.com>
On Wed, Mar 16, 2022 at 04:26:00PM -0700, Palmer Dabbelt wrote:
> From: Palmer Dabbelt <palmer@rivosinc.com>
>
> With the move to fair spinlocks, we might as well move to fair rwlocks.
s/might as well/can/ ?
Note that qrwlock relies on spinlock to be/provide fairness.
> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
next prev parent reply other threads:[~2022-03-17 9:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 23:25 [PATCH 0/5] Generic Ticket Spinlocks Palmer Dabbelt
2022-03-16 23:25 ` [PATCH 1/5] asm-generic: qspinlock: Indicate the use of mixed-size atomics Palmer Dabbelt
2022-03-17 17:46 ` Waiman Long
2022-03-16 23:25 ` [PATCH 2/5] asm-generic: ticket-lock: New generic ticket-based spinlock Palmer Dabbelt
2022-03-17 9:46 ` Peter Zijlstra
2022-03-17 13:57 ` Boqun Feng
2022-03-17 15:03 ` Waiman Long
2022-03-17 15:34 ` Boqun Feng
2022-03-17 18:04 ` Waiman Long
2022-03-16 23:25 ` [PATCH 3/5] openrisc: Move to ticket-spinlock Palmer Dabbelt
2022-03-17 9:46 ` Peter Zijlstra
2022-03-21 21:29 ` Stafford Horne
2022-03-22 3:29 ` Guo Ren
2022-03-22 4:10 ` Stafford Horne
2022-03-22 6:45 ` Guo Ren
2022-03-16 23:25 ` [PATCH 4/5] RISC-V: Move to ticket-spinlocks Palmer Dabbelt
2022-03-16 23:26 ` [PATCH 5/5] RISC-V: Move to queued RW locks Palmer Dabbelt
2022-03-17 9:47 ` Peter Zijlstra [this message]
2022-03-17 9:16 ` [PATCH 0/5] Generic Ticket Spinlocks Arnd Bergmann
2022-03-17 11:09 ` Heiko Stübner
2022-03-18 7:24 ` Guo Ren
2022-03-18 8:40 ` Guo Ren
2022-03-22 18:18 ` Conor Dooley
2022-03-22 20:02 ` Palmer Dabbelt
2022-03-22 20:19 ` Conor Dooley
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