linux-kernel - Re: [PATCH] x86-64, doc: update to account for file shuffling

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Message-ID: <20141209172709.GC4147@pd.tnic>
Date:	Tue, 9 Dec 2014 18:27:09 +0100
From:	Borislav Petkov <bp@...e.de>
To:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
Cc:	hpa@...or.com, linux-kernel@...r.kernel.org,
	"Luis R. Rodriguez" <mcgrof@...e.com>, linux-doc@...r.kernel.org,
	x86@...nel.org
Subject: Re: [PATCH] x86-64, doc: update to account for file shuffling

On Mon, Dec 08, 2014 at 02:54:01PM -0800, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof@...e.com>
> 
> While at it, also refer to the 32 bit entry file.
> 
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Borislav Petkov <bp@...e.de>
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-doc@...r.kernel.org
> Cc: x86@...nel.org
> Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
> ---
>  Documentation/x86/entry_64.txt | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/x86/entry_64.txt b/Documentation/x86/entry_64.txt
> index bc7226e..4796392 100644
> --- a/Documentation/x86/entry_64.txt
> +++ b/Documentation/x86/entry_64.txt
> @@ -7,9 +7,11 @@ http://lkml.kernel.org/r/<20110529191055.GC9835%40elte.hu>
>  The x86 architecture has quite a few different ways to jump into
>  kernel code.  Most of these entry points are registered in
>  arch/x86/kernel/traps.c and implemented in arch/x86/kernel/entry_64.S
> -and arch/x86/ia32/ia32entry.S.
> +for 64-bit, arch/x86/kernel/entry_32.S for 32-bit and finally
> +arch/x86/ia32/ia32entry.S which allows to run legacy 32-bit programs
> +under a 64-bit kernel.

Make that "... which implements the 32-bit compatibility syscall entry
points and thus provides for 32-bit processes to execute syscalls when
running on 64-bit kernels."

Or something like that. In any case, a bit more precise sounds better to
me.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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