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From: Ingo Molnar <mingo@kernel.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Brian Gerst <brgerst@gmail.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Borislav Petkov <bp@alien8.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Denys Vlasenko <dvlasenk@redhat.com>,
	Andy Lutomirski <luto@amacapital.net>,
	linux-tip-commits@vger.kernel.org
Subject: Re: [RFC] Rename various 'IA32' uses in arch/x86/ code
Date: Fri, 19 Jun 2015 09:13:05 +0200	[thread overview]
Message-ID: <20150619071305.GB14768@gmail.com> (raw)
In-Reply-To: <9E143C8F-1F0D-4528-B354-30BB68CCBC0E@zytor.com>


* H. Peter Anvin <hpa@zytor.com> wrote:

> We have generally used i386 as opposed to x86 for that purpose. [...]

So 'i386' is really the original name that stuck.

'x86-32' sounds more appropriate to me - we should not perpetuate the i386 name, 
as we don't run on an original i386 anymore ;-)

Here's what I think sounds pretty natural:

  CONFIG_X86_32_ABI
  CONFIG_X86_64_ABI
  CONFIG_X86_X32_ABI

- CONFIG_X86_X32_ABI and CONFIG_X86_32_ABI selects CONFIG_COMPAT.
- CONFIG_X86_32_ABI enables the 32-bit/32-bit system call ABI.
- CONFIG_X86_X32_ABI enables the extra 64-bit/32-bit system call entries.
- CONFIG_IA32_EMULATION goes away.

> [...] IA32 in MSR names is part of the MSR name and should not be taken out.

Yes, of course.

Thanks,

	Ingo

  reply	other threads:[~2015-06-19  7:13 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <tip-bace7117d3fb59a6ed7ea1aa6c8994df6a28a72a@git.kernel.org>
2015-06-16 20:22 ` [tip:x86/asm] x86/asm/entry: (Re-) rename __NR_entry_INT80_compat_max to __NR_syscall_compat_max H. Peter Anvin
2015-06-18 16:49   ` [RFC] Rename various 'IA32' uses in arch/x86/ code Ingo Molnar
2015-06-18 17:49     ` Brian Gerst
2015-06-18 19:37       ` H. Peter Anvin
2015-06-19  7:13         ` Ingo Molnar [this message]
2015-06-19 17:19           ` H. Peter Anvin
2015-06-21 13:44             ` Ingo Molnar
     [not found]       ` <CA+55aFzKOyZ4ZA6zFvCNqqqkYT8hLQOXAgJRj-k+LRqvQ1iiyQ@mail.gmail.com>
2015-06-18 19:41         ` H. Peter Anvin
2015-06-18 21:13       ` Ingo Molnar
2015-06-18 22:11         ` Brian Gerst
2015-06-19  7:08           ` Ingo Molnar

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