[Xen-ia64-devel] Question about time_interpolator_get_counter() in RHEL4

[Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>]

Hi Alex,

Could you comment a this issue? 

When we tested RHEL4 on domVTi of SMP, we met with hanging up of the 
RHEL4. We examined this issue with the xenctx. As a result, the each 
VCPUs of domVTi seemed to be looping in the following functions. 
 - A VCPU is looping in time_interpolator_get_counter(). 
 - Other VCPUs are looping in fsys_gettimeofday(). 

When we were examining this issue further, we found your patch about 
time_interpolator_get_counter(). 

  [PATCH] optimize writer path in time_interpolator_get_counter()
  http://lkml.org/lkml/2005/8/1/134

Could I ask you a question without understanding your patch enough? 
The issue that we met and the issue that your patch fixed, do you 
think these issues are the same thing? 

BTW, RHEL4 which applied your patch passed our test! 

Best regards,
 Kan and Akio



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