linux-kernel - Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io

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Message-ID: <YJFptPyDtow//5LU@zn.tnic>
Date:   Tue, 4 May 2021 17:35:16 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Lutomirski <luto@...capital.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Stefan Metzmacher <metze@...ba.org>,
        Jens Axboe <axboe@...nel.dk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        io-uring <io-uring@...r.kernel.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        linux-toolchains@...r.kernel.org
Subject: Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es'
 registers for io_threads

On Tue, May 04, 2021 at 10:39:23AM +0200, Peter Zijlstra wrote:
> Anybody on toolchains that can help get GDB fixed?

In the meantime, Tom is looking at fixing this, in case people wanna try
gdb patches or give him a test case or so...

https://sourceware.org/bugzilla/show_bug.cgi?id=27822

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette