[PATCH 7/9] drivers/perf: hisi: Support PMUs with no interrupt

Jonathan Cameron Jonathan.Cameron at huawei.com
Tue Mar 4 02:16:06 PST 2025


On Tue, 18 Feb 2025 17:19:58 +0800
Yicong Yang <yangyicong at huawei.com> wrote:

> From: Yicong Yang <yangyicong at hisilicon.com>
> 
> We'll have PMUs don't have an interrupt to indicate the counter
> overflow, but the Uncore PMU core assume all the PMUs have
> interrupt. So handle this case in the core. The existing PMUs
> won't be affected.
> 
> Signed-off-by: Yicong Yang <yangyicong at hisilicon.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>



More information about the linux-arm-kernel mailing list