On Tue, 2018-08-14 at 13:42 +, Vineet Gupta wrote:
> On 08/11/2018 09:09 AM, Eugeniy Paltsev wrote:
> > Current implementation of 'atomic64_add_unless' function
> > (and hence 'atomic64_inc_not_zero') return incorrect value
> > if lover 32 bits of compared 64-bit number are equal and
> >
On 08/11/2018 09:09 AM, Eugeniy Paltsev wrote:
> Current implementation of 'atomic64_add_unless' function
> (and hence 'atomic64_inc_not_zero') return incorrect value
> if lover 32 bits of compared 64-bit number are equal and
> higher 32 bits aren't.
>
> For in following example
Current implementation of 'atomic64_add_unless' function
(and hence 'atomic64_inc_not_zero') return incorrect value
if lover 32 bits of compared 64-bit number are equal and
higher 32 bits aren't.
For in following example atomic64_add_unless must return '1'
but it actually returns '0':
