From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h | 46 +++++++++++++++++++++++++++++++++++++++-------
1 files changed, 39 insertions(+), 7 deletions(-)
diff --git a/kernel/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/kernel/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
index 1154a6d..94439e0 100644
--- a/kernel/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
+++ b/kernel/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
@@ -2,9 +2,24 @@
#ifndef _ASM_POWERPC_TLBFLUSH_RADIX_H
#define _ASM_POWERPC_TLBFLUSH_RADIX_H
+#include <asm/hvcall.h>
+
struct vm_area_struct;
struct mm_struct;
struct mmu_gather;
+
+static inline u64 psize_to_rpti_pgsize(unsigned long psize)
+{
+ if (psize == MMU_PAGE_4K)
+ return H_RPTI_PAGE_4K;
+ if (psize == MMU_PAGE_64K)
+ return H_RPTI_PAGE_64K;
+ if (psize == MMU_PAGE_2M)
+ return H_RPTI_PAGE_2M;
+ if (psize == MMU_PAGE_1G)
+ return H_RPTI_PAGE_1G;
+ return H_RPTI_PAGE_ALL;
+}
static inline int mmu_get_ap(int psize)
{
@@ -13,8 +28,32 @@
#ifdef CONFIG_PPC_RADIX_MMU
extern void radix__tlbiel_all(unsigned int action);
+extern void radix__flush_tlb_lpid_page(unsigned int lpid,
+ unsigned long addr,
+ unsigned long page_size);
+extern void radix__flush_pwc_lpid(unsigned int lpid);
+extern void radix__flush_all_lpid(unsigned int lpid);
+extern void radix__flush_all_lpid_guest(unsigned int lpid);
#else
static inline void radix__tlbiel_all(unsigned int action) { WARN_ON(1); };
+static inline void radix__flush_tlb_lpid_page(unsigned int lpid,
+ unsigned long addr,
+ unsigned long page_size)
+{
+ WARN_ON(1);
+}
+static inline void radix__flush_pwc_lpid(unsigned int lpid)
+{
+ WARN_ON(1);
+}
+static inline void radix__flush_all_lpid(unsigned int lpid)
+{
+ WARN_ON(1);
+}
+static inline void radix__flush_all_lpid_guest(unsigned int lpid)
+{
+ WARN_ON(1);
+}
#endif
extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,
@@ -48,12 +87,5 @@
extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr);
extern void radix__flush_tlb_all(void);
-
-extern void radix__flush_tlb_lpid_page(unsigned int lpid,
- unsigned long addr,
- unsigned long page_size);
-extern void radix__flush_pwc_lpid(unsigned int lpid);
-extern void radix__local_flush_tlb_lpid(unsigned int lpid);
-extern void radix__local_flush_tlb_lpid_guest(unsigned int lpid);
#endif
--
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