linux-kernel - Re: [PATCH v6] RISC-V: Show accurate per-hart isa in /proc/cpuinfo

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:   Wed, 08 Nov 2023 15:10:23 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Evan Green <evan@...osinc.com>
Cc:     linux-riscv@...ts.infradead.org, palmer@...osinc.com,
        aou@...s.berkeley.edu, heiko@...ech.de, corbet@....net,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        conor.dooley@...rochip.com, palmer@...belt.com,
        bagasdotme@...il.com, paul.walmsley@...ive.com,
        ajones@...tanamicro.com
Subject: Re: [PATCH v6] RISC-V: Show accurate per-hart isa in /proc/cpuinfo

Hello:

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

On Mon,  6 Nov 2023 15:24:39 -0800 you wrote:
> In /proc/cpuinfo, most of the information we show for each processor is
> specific to that hart: marchid, mvendorid, mimpid, processor, hart,
> compatible, and the mmu size. But the ISA string gets filtered through a
> lowest common denominator mask, so that if one CPU is missing an ISA
> extension, no CPUs will show it.
> 
> Now that we track the ISA extensions for each hart, let's report ISA
> extension info accurately per-hart in /proc/cpuinfo. We cannot change
> the "isa:" line, as usermode may be relying on that line to show only
> the common set of extensions supported across all harts. Add a new "hart
> isa" line instead, which reports the true set of extensions for that
> hart.
> 
> [...]

Here is the summary with links:
  - [v6] RISC-V: Show accurate per-hart isa in /proc/cpuinfo
    https://git.kernel.org/riscv/c/d3d2cf1acab1

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