Quoting Puranjay Mohan (2024-05-03 10:18:47) > Remove the percpu variable cpu_number as it is used only in > set_smp_ipi_range() as a dummy variable to be passed to ipi_handler(). > Use irq_stat in place of cpu_number here like arm32. > > [1] https://github.com/puranjaymohan/linux/commit/77d3fdd Maybe you should have put this under the cut for the patch so its on the mailing list, and lore. > > Signed-off-by: Puranjay Mohan <puranjay@xxxxxxxxxx> > Acked-by: Mark Rutland <mark.rutland@xxxxxxx> > --- Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> > diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c > index 4ced34f62dab..98d4e352c3d0 100644 > --- a/arch/arm64/kernel/smp.c > +++ b/arch/arm64/kernel/smp.c > @@ -1021,12 +1016,12 @@ void __init set_smp_ipi_range(int ipi_base, int n) > > if (ipi_should_be_nmi(i)) { > err = request_percpu_nmi(ipi_base + i, ipi_handler, > - "IPI", &cpu_number); > + "IPI", &irq_stat); I know this is mirroring arm, but it would be nice to have a comment saying that we need some percpu variable here even if the handler doesn't use it.
