From dc50eab76b709d68175a358d6e23a5a3890764d3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:39:57 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- arch/ia64/include/asm/tlb.h | 50 --------------------------------------------- 1 file changed, 50 deletions(-) delete mode 100644 arch/ia64/include/asm/tlb.h (limited to 'arch/ia64/include/asm/tlb.h') diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h deleted file mode 100644 index a15fe0809a..0000000000 --- a/arch/ia64/include/asm/tlb.h +++ /dev/null @@ -1,50 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_IA64_TLB_H -#define _ASM_IA64_TLB_H -/* - * Based on . - * - * Copyright (C) 2002-2003 Hewlett-Packard Co - * David Mosberger-Tang - */ -/* - * Removing a translation from a page table (including TLB-shootdown) is a four-step - * procedure: - * - * (1) Flush (virtual) caches --- ensures virtual memory is coherent with kernel memory - * (this is a no-op on ia64). - * (2) Clear the relevant portions of the page-table - * (3) Flush the TLBs --- ensures that stale content is gone from CPU TLBs - * (4) Release the pages that were freed up in step (2). - * - * Note that the ordering of these steps is crucial to avoid races on MP machines. - * - * The Linux kernel defines several platform-specific hooks for TLB-shootdown. When - * unmapping a portion of the virtual address space, these hooks are called according to - * the following template: - * - * tlb <- tlb_gather_mmu(mm); // start unmap for address space MM - * { - * for each vma that needs a shootdown do { - * tlb_start_vma(tlb, vma); - * for each page-table-entry PTE that needs to be removed do { - * tlb_remove_tlb_entry(tlb, pte, address); - * if (pte refers to a normal page) { - * tlb_remove_page(tlb, page); - * } - * } - * tlb_end_vma(tlb, vma); - * } - * } - * tlb_finish_mmu(tlb); // finish unmap for address space MM - */ -#include -#include -#include - -#include -#include - -#include - -#endif /* _ASM_IA64_TLB_H */ -- cgit v1.2.3