>>>>> On Wed, 26 Jan 2005 08:52:12 -0800 (PST), Christoph Lameter <[EMAIL
>>>>> PROTECTED]> said:
Christoph> On Wed, 26 Jan 2005, Martin Schwidefsky wrote:
>> Why not add an if at the start of gettimeofday to check when the
>> last ntp updates has been done and if it has been too long since
>> the last time then call ntp_scale ? That way the update isn't
>> done on every call to gettimeofday and we don't depend on the
>> regular timer tick.
Christoph> Because ia64 does not support calling arbitrary C
Christoph> functions in fastcalls.
However, it can fall back on a heavy-weight syscall easily. We
already do that on a number of occasions, e.g., if we find a spinlock
already taken. I think it would be OK to have gettimeofday
occasionally fall back on the heavy-weight version to do NTP magic.
--david
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