malloc/free and priority inheritance?

Carlos O'Donell
Sat Apr 6 14:25:00 GMT 2013

On 04/04/2013 11:32 AM, Siddhesh Poyarekar wrote:
> On 4 April 2013 20:23, Carlos O'Donell <> wrote:
>> ... and ARM uses the generic C code.
>> My comments in BZ#12114 still remain. Why can't we make malloc/free
>> use PI locks? We need not convert lll_lock, but just make malloc-machine.h
>> use a PI-aware lock?
> The trouble (as always) is to decide on when to use PI-aware locks.
> Do we do that by default or do we have (*chuckle*) an environment
> variable to override the default locks?  Maybe this discussion is more
> suitable for libc-alpha though, since we can hopefully get all
> maintainers to chime in there.

The number of tunables just keeps growing doesn't it?

Added this to my list of tunables in the WIP document I'm writing:


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