Re: [PATCH v2] clocksource/drivers/hyper-v: Re-enable VDSO_CLOCKMODE_HVCLOCK on X86

[Thomas Gleixner]

On Sat, May 15 2021 at 15:43, Wei Liu wrote:

> On Thu, May 13, 2021 at 01:29:12PM +0000, Michael Kelley wrote:
>> From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> Sent: Thursday, May 13, 2021 12:33 AM
>> > 
>> > Mohammed reports (https://bugzilla.kernel.org/show_bug.cgi?id=213029)
>> > the commit e4ab4658f1cf ("clocksource/drivers/hyper-v: Handle vDSO
>> > differences inline") broke vDSO on x86. The problem appears to be that
>> > VDSO_CLOCKMODE_HVCLOCK is an enum value in 'enum vdso_clock_mode' and
>> > '#ifdef VDSO_CLOCKMODE_HVCLOCK' branch evaluates to false (it is not
>> > a define). Use a dedicated HAVE_VDSO_CLOCKMODE_HVCLOCK define instead.
>> > 
>> > Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> > Reported-by: Mohammed Gamal <mgamal@xxxxxxxxxx>
>> > Fixes: e4ab4658f1cf ("clocksource/drivers/hyper-v: Handle vDSO differences inline")
>> > Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> [...]
>> 
>> Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
>> 
> Applied to hyperv-fixes. Thanks.

It's already in the tip tree...