[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2 09/15] xen/asm-generic: introduce generic header smp.h
I will drop this patch as it will be hard to make it generic for Arm, PPC and RISC-V. ~ Oleksii On Fri, 2023-11-10 at 18:30 +0200, Oleksii Kurochko wrote: > <asm/smp.h> is expcted to be generic between Arm, PPC and RISC-V > there by it is moved to asm-generic. > > Right now it is common only by PPC and RISC-V but during work on > support of the mentioned arhcs <asm/smp.h> is expected to be the > same. > > Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx> > --- > Changes in V2: > - drop #ifded ASSEMBLY as this header isn't expected to be > included in asm files. > - update the commit message. > --- > xen/include/asm-generic/smp.h | 28 ++++++++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 xen/include/asm-generic/smp.h > > diff --git a/xen/include/asm-generic/smp.h b/xen/include/asm- > generic/smp.h > new file mode 100644 > index 0000000000..6740a2064c > --- /dev/null > +++ b/xen/include/asm-generic/smp.h > @@ -0,0 +1,28 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +#ifndef __ASM_GENERIC_SMP_H > +#define __ASM_GENERIC_SMP_H > + > +#include <xen/cpumask.h> > +#include <xen/percpu.h> > + > +DECLARE_PER_CPU(cpumask_var_t, cpu_sibling_mask); > +DECLARE_PER_CPU(cpumask_var_t, cpu_core_mask); > + > +#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu)) > + > +/* > + * Do we, for platform reasons, need to actually keep CPUs online > when we > + * would otherwise prefer them to be off? > + */ > +#define park_offline_cpus false > + > +#endif > + > +/* > + * Local variables: > + * mode: C > + * c-file-style: BSD > + * c-basic-offset: 4 > + * indent-tabs-mode: nil > + * End: > + */
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