[PATCH v2] ARM, ARM64, LONGARCH: Delay HW BP notification to task_work()

[Steven Rostedt]

On Thu, 3 Sep 2026 17:47:24 +0100
Russell King <linux at armlinux.org.uk> wrote:

> What do you expect to happen with this? Which arch maintainer should
> apply this patch that affects three different independently maintained
> architectures?

Looks like the patch should be broken up into a 4 part series.

One to add the ARCH_NEED_PERF_HW_NOTIF code to the generic code.

Then one for each architecture to add the code needed to set that.

Then the architecture maintainers could ack their patch and the perf
maintainer can pull it all in.

-- Steve