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SubjectRe: [PATCH v2 2/2] tee: remove flags TEE_IOCTL_SHM_MAPPED and TEE_IOCTL_SHM_DMA_BUF
On 6/8/22 8:52 AM, Eugene Syromiatnikov wrote:
> On Mon, Apr 25, 2022 at 09:16:17AM -0500, Andrew Davis wrote:
>> These look to be leftover from an early edition of this driver. Userspace
>> does not need this information. Checking all users of this that I have
>> access to I have verified no one is using them.
> This change has broken build of strace's test suite against the latest kernel
> headers[1]; the usage prety much shows up in the Debian's code search[2].
> [1]
> [2]

Thanks for the headsup, I've sent a patch to fix strace tests.


>> They leak internal use flags out to userspace. Even more they are not
>> correct anymore after a45ea4efa358. Lets drop these flags before
>> someone does try to use them for something and they become ABI.

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