linux-kernel - Re: [PATCH v2 3/6] x86/uaccess: Rearrange putuser.S

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Message-ID: <srdcfvwgmm4aiyny5ex24puhi7u4rohy2sjb2htrzqhr7igekx@bh3c22loauzb>
Date: Fri, 18 Oct 2024 11:51:06 +0300
From: "Kirill A . Shutemov" <kirill@...temov.name>
To: Josh Poimboeuf <jpoimboe@...nel.org>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, 
	Thomas Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...en8.de>, 
	Peter Zijlstra <peterz@...radead.org>, Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>, 
	Waiman Long <longman@...hat.com>, Dave Hansen <dave.hansen@...ux.intel.com>, 
	Ingo Molnar <mingo@...hat.com>, Linus Torvalds <torvalds@...ux-foundation.org>, 
	Michael Ellerman <mpe@...erman.id.au>, linuxppc-dev@...ts.ozlabs.org, 
	Andrew Cooper <andrew.cooper3@...rix.com>, Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v2 3/6] x86/uaccess: Rearrange putuser.S

On Thu, Oct 17, 2024 at 02:55:22PM -0700, Josh Poimboeuf wrote:
>  SYM_FUNC_START(__put_user_2)
>  	check_range size=2
>  	ASM_STAC
> -3:	movw %ax,(%_ASM_CX)
> +2:	movw %ax,(%_ASM_CX)
>  	xor %ecx,%ecx
>  	ASM_CLAC
>  	RET
>  SYM_FUNC_END(__put_user_2)
>  EXPORT_SYMBOL(__put_user_2)

This patch provides an opportunity to give these labels more meaningful
names, so that future rearrangements do not require as much boilerplate.

For example, we can rename this label 2: to .Luser_2 or something similar.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov