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From: Borislav Petkov <[email protected]>
To: Andy Lutomirski <[email protected]>
Cc: Jonathan Corbet <[email protected]>, "H.J. Lu" <[email protected]>,
	x86-ml <[email protected]>, GNU/Weeb Mailing List <[email protected]>,
	Dave Hansen <[email protected]>,
	lkml <[email protected]>,
	Ingo Molnar <[email protected]>, "H. Peter Anvin" <[email protected]>,
	Thomas Gleixner <[email protected]>, Willy Tarreau <[email protected]>,
	Michael Matz <[email protected]>
Subject: Re: [PATCH v1 3/3] Documentation: x86-64: Document registers on entry and exit
Date: Fri, 21 Jan 2022 14:32:24 +0100	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On Fri, Jan 07, 2022 at 04:02:27PM -0800, Andy Lutomirski wrote:
> This is SYSCALL64 registers on entry, not general registers on entry. Also,
> this has little to do with the entry logic, so it probably doesn't belong in
> this file.

Right, except that syscall is also a kernel entry point so it kinda
belongs in a documentation file called "entry". :)

Srsly, I'd really like to keep the note about which registers glibc
considers clobbered and which not, documented somewhere as that is
practically an ABI which is not (yet) in the psABI doc.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette
-- 
GWML mailing list
[email protected]
https://gwml.gnuweeb.org/listinfo/gwml

      parent reply	other threads:[~2022-01-21 13:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-07 23:52 [PATCH v1 0/3] x86-64 entry documentation and clean up Ammar Faizi
2022-01-07 23:52 ` [PATCH v1 1/3] x86/entry/64: Clean up spaces after the instruction Ammar Faizi
2022-01-07 23:52 ` [PATCH v1 2/3] x86/entry/64: Add info about registers on exit Ammar Faizi
2022-01-08  0:03   ` Andy Lutomirski
2022-01-08  0:34     ` Ammar Faizi
2022-01-07 23:52 ` [PATCH v1 3/3] Documentation: x86-64: Document registers on entry and exit Ammar Faizi
2022-01-08  0:02   ` Andy Lutomirski
2022-01-08  0:38     ` Ammar Faizi
2022-01-21 13:32     ` Borislav Petkov [this message]

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