Re: about mmap dma-buf and sync

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Hi back!

On 08/20/2015 03:48 AM, Thomas Hellstrom wrote:
Hi, Tiago!

Something that the Chrome OS folks told me today is whether we could change the sync API to use a syscall for that instead. Reason for that is to eventually fit this in nicely in their sandbox architecture requirements, so yet another ioctl wouldn't need to be white-listed for the unpriviledged process.

How does that change the game, for example regarding the details we been talking here about make the sync mandatory? Can we reuse, say msync(2) for that for example?

Best Regards,

Tiago
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