linux-kernel - Re: [PATCH] RISC-V: Fix unannoted hardirqs-on in return to userspace slow-path

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]

Date:   Thu, 08 Dec 2022 23:50:15 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Andrew Bresticker <abrestic@...osinc.com>
Cc:     linux-riscv@...ts.infradead.org, palmer@...belt.com,
        paul.walmsley@...ive.com, aou@...s.berkeley.edu,
        atishp@...osinc.com, guoren@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RISC-V: Fix unannoted hardirqs-on in return to userspace
 slow-path

Hello:

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

On Fri, 11 Nov 2022 17:31:08 -0500 you wrote:
> The return to userspace path in entry.S may enable interrupts without the
> corresponding lockdep annotation, producing a splat[0] when DEBUG_LOCKDEP
> is enabled. Simply calling __trace_hardirqs_on() here gets a bit messy
> due to the use of RA to point back to ret_from_exception, so just move
> the whole slow-path loop into C. It's more readable and it lets us use
> local_irq_{enable,disable}(), avoiding the need for manual annotations
> altogether.
> 
> [...]

Here is the summary with links:
  - RISC-V: Fix unannoted hardirqs-on in return to userspace slow-path
    https://git.kernel.org/riscv/c/b0f4c74eadbf

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