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SubjectRe: [PATCH RFC] perf_event: Add support for LSM and SELinux checks
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On 10/9/2019 7:44 PM, James Morris wrote:
> On Wed, 9 Oct 2019, Casey Schaufler wrote:
>
>> On 10/9/2019 3:14 PM, James Morris wrote:
>>> On Wed, 9 Oct 2019, Casey Schaufler wrote:
>>>
>>>> Please consider making the perf_alloc security blob maintained
>>>> by the infrastructure rather than the individual modules. This
>>>> will save it having to be changed later.
>>> Is anyone planning on using this with full stacking?
>>>
>>> If not, we don't need the extra code & complexity. Stacking should only
>>> cover what's concretely required by in-tree users.
>> I don't believe it's any simpler for SELinux to do the allocation
>> than for the infrastructure to do it. I don't see anyone's head
>> exploding over the existing infrastructure allocation of blobs.
>> We're likely to want it at some point, so why not avoid the hassle
>> and delay by doing it the "new" way up front?
> Because it is not necessary.

The logic escapes me, but OK.

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