lkml.org 
[lkml]   [2023]   [Aug]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2] riscv,mmio: Fix readX()-to-delay() ordering
From
Date
Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@rivosinc.com>:

On Thu, 3 Aug 2023 06:27:38 +0200 you wrote:
> Section 2.1 of the Platform Specification [1] states:
>
> Unless otherwise specified by a given I/O device, I/O devices are on
> ordering channel 0 (i.e., they are point-to-point strongly ordered).
>
> which is not sufficient to guarantee that a readX() by a hart completes
> before a subsequent delay() on the same hart (cf. memory-barriers.txt,
> "Kernel I/O barrier effects").
>
> [...]

Here is the summary with links:
- [v2] riscv,mmio: Fix readX()-to-delay() ordering
https://git.kernel.org/riscv/c/4eb2eb1b4c0e

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html


\
 
 \ /
  Last update: 2023-08-09 16:40    [W:0.025 / U:0.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site