[PATCH v3 0/2] RISC-V: Test th.sxstatus.MAEE bit before enabling MAEE
patchwork-bot+linux-riscv at kernel.org
patchwork-bot+linux-riscv at kernel.org
Thu Apr 25 16:00:30 PDT 2024
Hello:
This series was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer at rivosinc.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!
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