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SubjectRe: [PATCH -mm] 64bit-futex - provide new commands instead of new syscall
On 4/23/07, Pierre Peiffer <> wrote:
> Following this mail sent few weeks ago, here is a patch which should meet your
> requirements. [...]

It looks mostly good. I wouldn't use the high bit to differentiate
the 64-bit operations, though. Since we do not allow to apply it to
all operations the only effect will be that the compiler has a harder
time generating the code for the switch statement. If you use
continuous values a simple jump table can be used and no conditionals.
Smaller and faster.
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