linux-kernel - Re: [PATCH] ARM: VDSO: Match ARMv8 timer in cntvct

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Message-ID: <9efff584-5e2f-df15-3eea-9cf4f31f8f27@gmail.com>
Date:   Tue, 28 Jan 2020 11:26:20 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     opendmb@...il.com, bcm-kernel-feedback-list@...adcom.com,
        Russell King <rmk+kernel@....linux.org.uk>,
        Nathan Lynch <nathan_lynch@...tor.com>,
        Enrico Weigelt <info@...ux.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: VDSO: Match ARMv8 timer in cntvct_functional()



On 1/16/2020 3:57 PM, Florian Fainelli wrote:
> It is possible for a system with an ARMv8 timer to run a 32-bit kernel.
> When this happens we will unconditionally have the vDSO code remove the
> __vdso_gettimeofday and __vdso_clock_gettime symbols because
> cntvct_functional() returns false since it does not match that
> compatibility string.
> 
> Fixes: ecf99a439105 ("ARM: 8331/1: VDSO initialization, mapping, and synchronization")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Submitted:
https://www.armlinux.org.uk/developer/patches/viewpatch.php?id=8957/1
-- 
Florian