On Fri, Oct 29, 2021 at 05:26:43PM +0530, Bharat Bhushan wrote:

As DDR perf event counters are not per core, so they should be accessed
only by one core at a time. Select new core when previously owning core
is going offline.

Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
---
v1->v6
 - No Change

 drivers/perf/marvell_cn10k_ddr_pmu.c | 50 ++++++++++++++++++++++++++--
 include/linux/cpuhotplug.h           |  1 +
 2 files changed, 49 insertions(+), 2 deletions(-)

I don't think the driver is much use without this patch, so please can you
move the Kconfig stuff to a patch at the end so that the driver can't be
enabled in a broken state half way through the series?

Will