Re: [PATCH] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC

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On Wed, Dec 18, 2019 at 09:00:39PM +0530, Vipul Kumar wrote:
> From: Vipul Kumar <vipul_kumar@xxxxxxxxxx>
> 
> 'commit f3a02ecebed7 ("x86/tsc: Set TSC_KNOWN_FREQ and TSC_RELIABLE
> flags on Intel Atom SoCs")', causing time drift for Bay trail SoC.
> These flags are set for SoCs having cpuid_level 0x15 or more.
> Bay trail is having cpuid_level 0xb.
> 
> So, unset both flags to make sure the clocksource calibration can
> be done.
> 
> Signed-off-by: Vipul Kumar <vipul_kumar@xxxxxxxxxx>
> ---
>  arch/x86/kernel/tsc_msr.c | 3 +++
>  1 file changed, 3 insertions(+)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>



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