linux-kernel - Re: [RFC PATCH v2 07/11] time: Convert alarm_set

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Message-ID: <alpine.DEB.2.11.1410301550010.5308@nanos>
Date:	Thu, 30 Oct 2014 15:52:07 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"pang.xunlei" <pang.xunlei@...aro.org>
cc:	linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
	xen-devel@...ts.xenproject.org,
	John Stultz <john.stultz@...aro.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>
Subject: Re: [RFC PATCH v2 07/11] time: Convert alarm_set_rtc() to use
 timespec64

On Thu, 30 Oct 2014, pang.xunlei wrote:
> +/*
> +* TODO: [2038 safety] alarm_do_ioctl() should be fixed to use timespec64,
> +*  once timespec64 is promoted to userspace.

Nonsense. You CANNOT 'FIX' this. The ioctl needs to stay as is because
you need to preserve the user space ABI.

It needs a new ioctl variant which handles timespec64.

Thanks,

	tglx

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