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Date: Wed, 1 Mar 2017 10:26:07 +0100 From: Ingo Molnar <mingo@...nel.org> To: Arnd Bergmann <arnd@...db.de> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "K. Y. Srinivasan" <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Stephen Hemminger <sthemmin@...rosoft.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, Vitaly Kuznetsov <vkuznets@...hat.com>, devel@...uxdriverproject.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] hv: hide unused label * Arnd Bergmann <arnd@...db.de> wrote: > This new 32-bit warning just showed up: > > arch/x86/hyperv/hv_init.c: In function 'hyperv_init': > arch/x86/hyperv/hv_init.c:167:1: error: label 'register_msr_cs' defined but not used [-Werror=unused-label] > > The easiest solution is to move the label up into the existing #ifdef that > has the goto. > > Fixes: dee863b571b0 ("hv: export current Hyper-V clocksource") > Signed-off-by: Arnd Bergmann <arnd@...db.de> > --- > arch/x86/hyperv/hv_init.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c > index db64baf0e500..8bef70e7f3cc 100644 > --- a/arch/x86/hyperv/hv_init.c > +++ b/arch/x86/hyperv/hv_init.c > @@ -158,13 +158,13 @@ void hyperv_init(void) > clocksource_register_hz(&hyperv_cs_tsc, NSEC_PER_SEC/100); > return; > } > +register_msr_cs: > #endif > /* > * For 32 bit guests just use the MSR based mechanism for reading > * the partition counter. > */ > > -register_msr_cs: Now the warning triggers upstream: arch/x86/hyperv/hv_init.c: In function ‘hyperv_init’: arch/x86/hyperv/hv_init.c:167:1: warning: label ‘register_msr_cs’ defined but not used [-Wunused-label] Thanks, Ingo
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