Re: [PATCH 1/2] optee: fix tee out of memory failure seen during kexec reboot

[Allen Pais]

> On Wed, 17 Feb 2021 14:57:12 +0530, Allen Pais wrote:
> > -	/*
> > -	 * Ask OP-TEE to free all cached shared memory objects to decrease
> > -	 * reference counters and also avoid wild pointers in secure world
> > -	 * into the old shared memory range.
> > -	 */
> > -	optee_disable_shm_cache(optee);
> > +	if (shutdown) {
> > +		optee_disable_shm_cache(optee);
> > +	} else {
> > +		/*
> > +		 * Ask OP-TEE to free all cached shared memory
> > +		 * objects to decrease reference counters and
> > +		 * also avoid wild pointers in secure world
> > +		 * into the old shared memory range.
> > +		 */
> > +		optee_disable_shm_cache(optee);
>   
> Calling optee_disable_shm_cache() in both if and else. It could be
> put in front of if().

  Ideally, I could just use optee_remove for shutdown() too.
But it would not look good. Hence this approach.

- Allen