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

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Subject: Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
From: Simon Marchi <simon.marchi@xxxxxxxxxx>
Date: Wed, 5 May 2021 19:15:55 -0400
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, io-uring <io-uring@xxxxxxxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, linux-toolchains@xxxxxxxxxxxxxxx
In-reply-to: <f15f0ccd-fe30-c3cf-9b01-df7ba462401f@samba.org>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1

> Is it clear now?
> metze

Yes, thanks.  I had missed that the point of the 2nd patch is to not do
the memset for these threads.  Makes sense now.

Simon

References:
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Andy Lutomirski
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Linus Torvalds
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Peter Zijlstra
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Borislav Petkov
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Simon Marchi
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Stefan Metzmacher
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Simon Marchi
- Re: [PATCH] io_thread/x86: don't reset 'cs', 'ss', 'ds' and 'es' registers for io_threads
  - From: Stefan Metzmacher

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