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Date: Wed, 31 Aug 2011 13:02:15 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: Arnd Bergmann <arnd@arndb.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Christoph Hellwig <hch@infradead.org>,
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        Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
        Richard Kuo <rkuo@codeaurora.org>, Mark Salter <msalter@redhat.com>,
        Jonas Bonn <jonas@southpole.se>, Tobias Klauser <tklauser@distanz.ch>
Subject: Re: RFD: x32 ABI system call numbers
References: <4E582577.2060805@zytor.com> <201108311839.52863.arnd@arndb.de> <CA+55aFwVJ71=cLsUqMaJ-eGP0doPGBhrse9r++hkbiNYNx5Zjg@mail.gmail.com> <1397886.AAh13B9r2H@wuerfel> <4E5E8F04.9030303@zytor.com> <20110831205439.1a0c94da@lxorguk.ukuu.org.uk>
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On 08/31/2011 12:54 PM, Alan Cox wrote:
>>
>> The only reason I mentioned redefining 32-bit time_t as unsigned was for
>> *legacy ABIs*.
> 
> But if you redefine it then it's not a legacy ABI any more - its a new
> ABI.

Only sort-of-kind of.  It's like hacking around the Y2K problem by date
windowing; it technically it is an ABI change but when it is going to
break anyway...

	-hpa