linux-kernel - Re: [PATCH v4 1/7] x86/tlb: unify TLB_FLUSH

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Date:	Thu, 10 May 2012 13:46:54 -0500
From:	Rob Landley <rob@...dley.net>
To:	Alex Shi <alex.shi@...el.com>
CC:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, arnd@...db.de,
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Subject: Re: [PATCH v4 1/7] x86/tlb: unify TLB_FLUSH_ALL definition

On 05/10/2012 12:00 AM, Alex Shi wrote:
> Since sizeof(long) is 4 in x86_32 mode, and it's 8 in x86_64 mode,
> sizeof(long long) is also 8 byte in x86_64 mode.
> use long mode can fit TLB_FLUSH_ALL defination here both in 32 or
> 64 bits mode.

I.E. Linux follows the LP64 standad, as do the BSDs and MacOS X:

http://www.unix.org/whitepapers/64bit.html
http://www.unix.org/version2/whatsnew/lp64_wp.html

Rob
-- 
GNU/Linux isn't: Linux=GPLv2, GNU=GPLv3+, they can't share code.
Either it's "mere aggregation", or a license violation.  Pick one.
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