]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/commit
perf/x86/intel/uncore: Support multi-die/package
authorKan Liang <kan.liang@linux.intel.com>
Mon, 13 May 2019 17:58:57 +0000 (13:58 -0400)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 23 May 2019 08:08:35 +0000 (10:08 +0200)
commit1ff4a47b2d0c13b755b2eeeb0e23be6c056d5dd9
treea1b11ddd3c3dfbc3d54ba4c6610df38c10290d59
parent2e4c54dac7b360c3820399bdf06cde9134a4495b
perf/x86/intel/uncore: Support multi-die/package

Uncore becomes die-scope on Xeon Cascade Lake-AP. Uncore driver needs to
support die-scope uncore units.

Use topology_logical_die_id() to replace topology_logical_package_id().
For previous platforms which doesn't have multi-die,
topology_logical_die_id() is identical as topology_logical_package_id().

In pci_probe()/remove(), the group id reads from PCI BUS is logical die id
for multi-die systems.

Use topology_die_cpumask() to replace topology_core_cpumask().
For previous platforms which doesn't have multi-die,
topology_die_cpumask() is identical as topology_core_cpumask().

There is no functional change for previous platforms.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/a25bba4a5b480aa4e9f8190005d7f5f53e29c8da.1557769318.git.len.brown@intel.com
arch/x86/events/intel/uncore.c