linux-kernel - Re: [GIT PULL] x86/mm changes for v6.8

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Date: Tue, 9 Jan 2024 09:34:29 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, the arch/x86 maintainers <x86@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [GIT PULL] x86/mm changes for v6.8


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Mon, 8 Jan 2024 at 18:06, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
> >
> > This does not even compile for me.
> >
> >   arch/x86/include/asm/uaccess_64.h: In function ‘__untagged_addr’:
> >   arch/x86/include/asm/uaccess_64.h:25:28: error: implicit declaration
> > of function ‘__my_cpu_var’; did you mean ‘put_cpu_var’?
> > [-Werror=implicit-function-declaration]
> 
> Side note: the whole __my_cpu_var() reminds me of the attached patch
> that I have in my testing tree, and have been carrying along for a
> number of months now.
> 
> I definitely think it's the right thing to do, so here it is again,

Yeah, that's a good patch I have queued up in tip:x86/percpu:

  24b8a23638cb ("x86/fpu: Clean up FPU switching in the middle of task switching")

Merged it shortly after you sent it:

  commit 24b8a23638cbf92449c353f828b1d309548c78f4
  Author:     Linus Torvalds <torvalds@...ux-foundation.org>
  AuthorDate: Wed Oct 18 20:41:58 2023 +0200
  Commit:     Ingo Molnar <mingo@...nel.org>
  CommitDate: Fri Oct 20 11:24:22 2023 +0200

I planned to send an RFC pull request for these bits in this merge window, 
after all the other x86 trees.

Thanks,

	Ingo