From: Chris Wedgwood <cw@f00f.org>
To: linux-ia64@vger.kernel.org
Subject: Re: [Q] Why is compat_uid_t a u16 value?
Date: Sun, 12 Sep 2004 19:55:31 +0000 [thread overview]
Message-ID: <20040912195531.GA8530@taniwha.stupidest.org> (raw)
In-Reply-To: <20040912150108.GO1854@baldric.uwo.ca>
On Sun, Sep 12, 2004 at 11:01:09AM -0400, Carlos O'Donell wrote:
> The ia32 emulation code is using 'unsigned int' for uid_t returned
> back to userspace. While the compat.h definitions uses compat_uid_t,
> which is defined as u16.
Some older parts of the x86 ABI use a 16-bit UID in places (sysv IPC
and stat probably, I didn't check).
> Is this correct? I would assume that compat_uid_t should be u32
> under ia64.
Then running applications using the old x86 ABI would break.
prev parent reply other threads:[~2004-09-12 19:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-12 15:01 [Q] Why is compat_uid_t a u16 value? Carlos O'Donell
2004-09-12 19:55 ` Chris Wedgwood [this message]
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