Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
30 lines
665 B
C
30 lines
665 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
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*/
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#include <linux/kvm_host.h>
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#include <asm/tlb.h>
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#include <asm/kvm_csr.h>
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/*
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* kvm_flush_tlb_all() - Flush all root TLB entries for guests.
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*
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* Invalidate all entries including GVA-->GPA and GPA-->HPA mappings.
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*/
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void kvm_flush_tlb_all(void)
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{
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unsigned long flags;
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local_irq_save(flags);
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invtlb_all(INVTLB_ALLGID, 0, 0);
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local_irq_restore(flags);
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}
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void kvm_flush_tlb_gpa(struct kvm_vcpu *vcpu, unsigned long gpa)
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{
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lockdep_assert_irqs_disabled();
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gpa &= (PAGE_MASK << 1);
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invtlb(INVTLB_GID_ADDR, read_csr_gstat() & CSR_GSTAT_GID, gpa);
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}
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