[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v2 15/39] xen/riscv: introduce flushtlb.h
Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx> --- Changes in V2: - Nothing changed. Only rebase. --- xen/arch/riscv/include/asm/flushtlb.h | 31 +++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 xen/arch/riscv/include/asm/flushtlb.h diff --git a/xen/arch/riscv/include/asm/flushtlb.h b/xen/arch/riscv/include/asm/flushtlb.h new file mode 100644 index 0000000000..7059a53823 --- /dev/null +++ b/xen/arch/riscv/include/asm/flushtlb.h @@ -0,0 +1,31 @@ +#ifndef __ASM_RISCV_FLUSHTLB_H__ +#define __ASM_RISCV_FLUSHTLB_H__ + +#include <xen/cpumask.h> + +/* + * Filter the given set of CPUs, removing those that definitely flushed their + * TLB since @page_timestamp. + */ +/* XXX lazy implementation just doesn't clear anything.... */ +static inline void tlbflush_filter(cpumask_t *mask, uint32_t page_timestamp) {} + +#define tlbflush_current_time() (0) + +static inline void page_set_tlbflush_timestamp(struct page_info *page) +{ + BUG(); +} + +/* Flush specified CPUs' TLBs */ +void arch_flush_tlb_mask(const cpumask_t *mask); + +#endif /* __ASM_RISCV_FLUSHTLB_H__ */ +/* + * Local variables: + * mode: C + * c-file-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ -- 2.42.0
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