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| author | Peter Zijlstra <peterz@infradead.org> | 2022-05-06 15:54:01 -0700 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-05-12 15:35:29 +0200 |
| commit | 2760f5a415c3b86c6394738c6cff740c8b4ce664 (patch) | |
| tree | 97c1c0391a33742be5c5ef7b7b0dd0b990bf4f97 /drivers/platform | |
| parent | db1af12929c99d15fc04cc5c4447b87ab51eab0a (diff) | |
| download | linux-2760f5a415c3b86c6394738c6cff740c8b4ce664.tar.gz | |
stop_machine: Add stop_core_cpuslocked() for per-core operations
Hardware core level testing features require near simultaneous execution
of WRMSR instructions on all threads of a core to initiate a test.
Provide a customized cut down version of stop_machine_cpuslocked() that
just operates on the threads of a single core.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20220506225410.1652287-4-tony.luck@intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
0 files changed, 0 insertions, 0 deletions