linux-kernel - Re: [PATCH 16/23] y2038: timerfd: Use timespec64 internally

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Message-ID: <alpine.DEB.2.21.1911132248470.2507@nanos.tec.linutronix.de>
Date:   Wed, 13 Nov 2019 22:49:04 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Arnd Bergmann <arnd@...db.de>
cc:     y2038@...ts.linaro.org, Alexander Viro <viro@...iv.linux.org.uk>,
        linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>,
        linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 16/23] y2038: timerfd: Use timespec64 internally

On Fri, 8 Nov 2019, Arnd Bergmann wrote:

> timerfd_show() uses a 'struct itimerspec' internally, but that is
> deprecated because of the time_t overflow and a conflict with the glibc
> type of the same name that is now incompatible in user space.
> 
> Use a pair of timespec64 variables instead as a simple replacement.
> 
> As this removes the last use of itimerspec from the kernel, allowing the
> removal of the definition from the uapi headers along with timespec and
> timeval later.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>