linux-kernel - Re: [PATCH v3 0/2] RISC-V: Test th.sxstatus.MAEE bit before enabling MAEE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: 
 <171408603073.8761.4519771274981632479.git-patchwork-notify@kernel.org>
Date: Thu, 25 Apr 2024 23:00:30 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Christoph Müllner <christoph.muellner@...ll.eu>@codeaurora.org
Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 palmer@...belt.com, paul.walmsley@...ive.com, aou@...s.berkeley.edu,
 philipp.tomsich@...ll.eu, bjorn@...nel.org, dbarboza@...tanamicro.com,
 heiko@...ech.de, cooper.qu@...ux.alibaba.com, zhiwei_liu@...ux.alibaba.com,
 eric.huang@...ux.alibaba.com, alistair.francis@....com,
 ajones@...tanamicro.com, conor@...nel.org, dqfext@...il.com, alex@...ti.fr,
 samuel.holland@...ive.com
Subject: Re: [PATCH v3 0/2] RISC-V: Test th.sxstatus.MAEE bit before enabling MAEE

Hello:

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

On Sun,  7 Apr 2024 23:32:34 +0200 you wrote:
> Currently, the Linux kernel suffers from a boot regression when running
> on the c906 QEMU emulation. Details have been reported here by Björn Töpel:
>   https://lists.gnu.org/archive/html/qemu-devel/2024-01/msg04766.html
> 
> The main issue is, that Linux enables XTheadMae for CPUs that have a T-Head
> mvendorid but QEMU maintainers don't want to emulate a CPU that uses
> reserved bits in PTEs. See also the following discussion for more
> context:
>   https://lists.gnu.org/archive/html/qemu-devel/2024-02/msg00775.html
> 
> [...]

Here is the summary with links:
  - [v3,1/2] riscv: thead: Rename T-Head PBMT to MAE
    https://git.kernel.org/riscv/c/6179d4a21300
  - [v3,2/2] riscv: T-Head: Test availability bit before enabling MAE errata
    https://git.kernel.org/riscv/c/65b71cc35cc6

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