Messages in this thread | | | Date | Wed, 20 Sep 2006 23:28:15 +0200 | From | Willy Tarreau <> | Subject | Re: [PATCH for 2.4] x86_64: Fix missing delay when the TSC counter just overflowed |
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On Wed, Sep 20, 2006 at 02:43:54PM -0700, Toyo Abe wrote: > I'd seen a problem that *delay functions return in too short delay. > It happens when the lower 32bit of TSC counter is overflowed. > This patch fixes the problem. This is back-port of Andi Kleen's > 2.6 fix. > > http://www.kernel.org/git/?p=linux/kernel/git/tglx/history.git;a=commit;h=6c51e28ffbbebf49437ec63ac4f9e385d60827e5 > > Signed-off-by: Toyo Abe <toyoa@mvista.com> > > --- > > arch/x86_64/lib/delay.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86_64/lib/delay.c b/arch/x86_64/lib/delay.c > index cc845d2..91345ee 100644 > --- a/arch/x86_64/lib/delay.c > +++ b/arch/x86_64/lib/delay.c > @@ -19,7 +19,7 @@ #endif > > void __delay(unsigned long loops) > { > - unsigned long bclock, now; > + unsigned bclock, now; > > rdtscl(bclock); > do
Queued.
Thanks Toyo, Willy
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