Jon Smirl wrote:
2) How is a non-root drmAddMap for shared memory a bigger security risc
than shmget? I understand why SAREA containing the lock needs to be
permanent, but not subsequent ones. Why can't they be created on demand by
the master?
The memory being allocated by the drivers is non-swappable kernel
memory. shmget is allocating swapable memory. Device drivers can't
user swapable memory. There is a limited amout of kernel space memory
available.
Ah.
That made the coin fall down. Thanks.
/Thomas
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