> On Dec 18, 2019, at 1:24 AM, Alexey Budankov <alexey.budankov@xxxxxxxxxxxxxxx> wrote: > > > Introduce CAP_SYS_PERFMON capability devoted to secure system performance > monitoring and observability operations so that CAP_SYS_PERFMON would > assist CAP_SYS_ADMIN capability in its governing role for perf_events, > i915_perf and other subsystems of the kernel. > > CAP_SYS_PERFMON intends to harden system security and integrity during > system performance monitoring and observability operations by decreasing > attack surface that is available to CAP_SYS_ADMIN privileged processes. > > CAP_SYS_PERFMON intends to take over CAP_SYS_ADMIN credentials related > to system performance monitoring and observability operations and balance > amount of CAP_SYS_ADMIN credentials in accordance with the recommendations > provided in the man page for CAP_SYS_ADMIN [1]: "Note: this capability > is overloaded; see Notes to kernel developers, below." > > [1] https://urldefense.proofpoint.com/v2/url?u=http-3A__man7.org_linux_man-2Dpages_man7_capabilities.7.html&d=DwICaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=dR8692q0_uaizy0jkrBJQM5k2hfm4CiFxYT8KaysFrg&m=L5qCuMRrTvYhyjR1rpgE9vEv4HppVlOXDIzKzoGL30c&s=FNJpET4buKFRuqktVHQphaY1qE7IsdFpU4iYwpCn4tY&e= > > Signed-off-by: Alexey Budankov <alexey.budankov@xxxxxxxxxxxxxxx> Acked-by: Song Liu <songliubraving@xxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
