hi all:
My platform is 32-bits cpu and I need following calculation in my driver.
#define longdiv(sr1, sr2, div) (unsigned long )((((unsigned long
long)(sr1) << 32) ^ (sr2)) / (div))
my question are:
1. why "__udivdi3" has any relationship with above calculation?
2. I know the above calculation is implemented in clibc, but why
kernel still implement itself?
why kernel try to make another wheel instead of including what
clib provided ?
--
Regards,
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