apparmor: Move path lookup to using preallocated buffers

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Dynamically allocating buffers is problematic and is an extra layer
that is a potntial point of failure and can slow down mediation.
Change path lookup to use the preallocated per cpu buffers.

Signed-off-by: John Johansen <john.johansen@canonical.com>

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This commit is contained in:

John Johansen 2017-05-23 03:25:14 -07:00

parent 72c8a76864

commit 4227c333f6

4 changed files with 53 additions and 86 deletions

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8

security/apparmor/domain.c

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13

security/apparmor/file.c

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4

security/apparmor/include/path.h

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114

security/apparmor/path.c

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