linux-kernel - Re: [PATCH] riscv: Fix SMP when shadow call stacks are enabled

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Message-Id: <170196242571.12999.13645791686392638982.git-patchwork-notify@kernel.org>
Date:   Thu, 07 Dec 2023 15:20:25 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Samuel Holland <samuel.holland@...ive.com>
Cc:     linux-riscv@...ts.infradead.org, palmer@...belt.com,
        aou@...s.berkeley.edu, andy.chiu@...ive.com, cleger@...osinc.com,
        conor.dooley@...rochip.com, greentime.hu@...ive.com,
        guoren@...nel.org, heiko@...ech.de, masahiroy@...nel.org,
        namcaov@...il.com, paul.walmsley@...ive.com,
        samitolvanen@...gle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] riscv: Fix SMP when shadow call stacks are enabled

Hello:

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

On Tue, 21 Nov 2023 13:19:29 -0800 you wrote:
> This fixes two bugs in SCS initialization for secondary CPUs. First,
> the SCS was not initialized at all in the spinwait boot path. Second,
> the code for the SBI HSM path attempted to initialize the SCS before
> enabling the MMU. However, that involves dereferencing the thread
> pointer, which requires the MMU to be enabled.
> 
> Fix both issues by setting up the SCS in the common secondary entry
> path, after enabling the MMU.
> 
> [...]

Here is the summary with links:
  - riscv: Fix SMP when shadow call stacks are enabled
    https://git.kernel.org/riscv/c/f40cab8e18ed

You are awesome, thank you!
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