linux-kernel - Re: [PATCH 0/8] Update kernel uabi header files for x32

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Date:	Tue, 21 Jan 2014 07:43:15 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Catalin Marinas <catalin.marinas@....com>
CC:	Christoph Hellwig <hch@...radead.org>,
	"H.J. Lu" <hjl.tools@...il.com>,
	linux-arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Will Deacon <Will.Deacon@....com>
Subject: Re: [PATCH 0/8] Update kernel uabi header files for x32

On 01/21/2014 04:04 AM, Catalin Marinas wrote:
> 
> ILP32 for arm64 is still work in progress and subject to change. So far
> the preliminary ABI
> (http://git.kernel.org/cgit/linux/kernel/git/cmarinas/linux-aarch64.git/log/?h=ilp32)
> redefines kernel_(u)long_t is defined as (unsigned) long long. Most of
> the syscalls are 64-bit generic with ~23 routed to compat. I would like
> to simplify these further and even use native 64-bit signal handling but
> it requires some changes to generic structures.
> 

That would be highly useful feedback.

	-hpa


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