mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/arch/mips/kvm/tlb.c
..
..
@@ -20,8 +20,8 @@
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20
 
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 #include <asm/cpu.h>
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 #include <asm/bootinfo.h>
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+#include <asm/mipsregs.h>
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 #include <asm/mmu_context.h>
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-#include <asm/pgtable.h>
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 #include <asm/cacheflush.h>
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 #include <asm/tlb.h>
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 #include <asm/tlbdebug.h>
..
..
@@ -469,7 +469,7 @@
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 		cvmmemctl2 |= CVMMEMCTL2_INHIBITTS;
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 		write_c0_cvmmemctl2(cvmmemctl2);
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 		break;
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-	};
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+	}
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473
 
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 	/* Invalidate guest entries in guest TLB */
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 	write_gc0_entrylo0(0);
..
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@@ -486,7 +486,7 @@
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 	if (cvmmemctl2) {
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 		cvmmemctl2 &= ~CVMMEMCTL2_INHIBITTS;
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 		write_c0_cvmmemctl2(cvmmemctl2);
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-	};
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+	}
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 	write_gc0_index(old_index);
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 	write_gc0_entryhi(old_entryhi);
..
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@@ -622,6 +622,46 @@
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 }
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 EXPORT_SYMBOL_GPL(kvm_vz_load_guesttlb);
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+#ifdef CONFIG_CPU_LOONGSON64
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+void kvm_loongson_clear_guest_vtlb(void)
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+{
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+	int idx = read_gc0_index();
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+
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+	/* Set root GuestID for root probe and write of guest TLB entry */
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+	set_root_gid_to_guest_gid();
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+
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+	write_gc0_index(0);
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+	guest_tlbinvf();
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+	write_gc0_index(idx);
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+
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+	clear_root_gid();
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+	set_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB);
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+}
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+EXPORT_SYMBOL_GPL(kvm_loongson_clear_guest_vtlb);
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+
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+void kvm_loongson_clear_guest_ftlb(void)
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+{
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+	int i;
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+	int idx = read_gc0_index();
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+
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+	/* Set root GuestID for root probe and write of guest TLB entry */
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+	set_root_gid_to_guest_gid();
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+
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+	for (i = current_cpu_data.tlbsizevtlb;
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+	     i < (current_cpu_data.tlbsizevtlb +
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+		     current_cpu_data.tlbsizeftlbsets);
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+	     i++) {
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+		write_gc0_index(i);
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+		guest_tlbinvf();
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+	}
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+	write_gc0_index(idx);
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+
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+	clear_root_gid();
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+	set_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB);
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+}
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+EXPORT_SYMBOL_GPL(kvm_loongson_clear_guest_ftlb);
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+#endif
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+
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 #endif
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666
 
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 /**