From: Peter Zijlstra <peterz@infradead.org>
To: openrisc@lists.librecores.org
Subject: [OpenRISC] [PATCH 2/5] asm-generic: ticket-lock: New generic ticket-based spinlock
Date: Thu, 17 Mar 2022 10:46:01 +0100 [thread overview]
Message-ID: <YjMDWQ3T5oYU7sYG@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20220316232600.20419-3-palmer@rivosinc.com>
On Wed, Mar 16, 2022 at 04:25:57PM -0700, Palmer Dabbelt wrote:
> From: Peter Zijlstra <peterz@infradead.org>
>
> This is a simple, fair spinlock. Specifically it doesn't have all the
> subtle memory model dependencies that qspinlock has, which makes it more
> suitable for simple systems as it is more likely to be correct.
>
> [Palmer: commit text]
> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
>
> --
>
> I have specifically not included Peter's SOB on this, as he sent his
> original patch
> <https://lore.kernel.org/lkml/YHbBBuVFNnI4kjj3@hirez.programming.kicks-ass.net/>
> without one.
Fixed ;-)
next prev parent reply other threads:[~2022-03-17 9:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 23:25 [OpenRISC] [PATCH 0/5] Generic Ticket Spinlocks Palmer Dabbelt
2022-03-16 23:25 ` [OpenRISC] [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 ` [OpenRISC] [PATCH 2/5] asm-generic: ticket-lock: New generic ticket-based spinlock Palmer Dabbelt
2022-03-17 9:46 ` Peter Zijlstra [this message]
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 ` [OpenRISC] [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 ` [OpenRISC] [PATCH 4/5] RISC-V: Move to ticket-spinlocks Palmer Dabbelt
2022-03-16 23:26 ` [OpenRISC] [PATCH 5/5] RISC-V: Move to queued RW locks Palmer Dabbelt
2022-03-17 9:47 ` Peter Zijlstra
2022-03-17 9:16 ` [OpenRISC] [PATCH 0/5] Generic Ticket Spinlocks Arnd Bergmann
2022-03-17 11:09 ` Heiko =?unknown-8bit?q?St=C3=BCbner?=
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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