linux-kernel - Re: [PATCH bpf 1/3] x86/mm: Move is_vsyscall_vaddr() into mm

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Date: Fri, 19 Jan 2024 16:35:08 -0800
From: Sohil Mehta <sohil.mehta@...el.com>
To: Hou Tao <houtao@...weicloud.com>, <x86@...nel.org>, <bpf@...r.kernel.org>
CC: Dave Hansen <dave.hansen@...ux.intel.com>, Andy Lutomirski
	<luto@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner
	<tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov
	<bp@...en8.de>, "H . Peter Anvin" <hpa@...or.com>,
	<linux-kernel@...r.kernel.org>, xingwei lee <xrivendell7@...il.com>, "Jann
 Horn" <jannh@...gle.com>, <houtao1@...wei.com>
Subject: Re: [PATCH bpf 1/3] x86/mm: Move is_vsyscall_vaddr() into
 mm_internal.h

On 1/18/2024 11:30 PM, Hou Tao wrote:
> From: Hou Tao <houtao1@...wei.com>
> 
> Moving is_vsyscall_vaddr() into mm_internal.h to make it available for
> copy_from_kernel_nofault_allowed() in arch/x86/mm/maccess.c.
> 

Instead of mm_internal.h would a better place for is_vsyscall_vaddr() be
arch/x86/include/asm/vsyscall.h?

Sohil