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authorJakub Kicinski <kuba@kernel.org>2025-02-20 10:36:34 -0800
committerJakub Kicinski <kuba@kernel.org>2025-02-20 10:37:30 -0800
commit5d6ba5ab8582aa35c1ee98e47af28e6f6772596c (patch)
treea4a3a2d311773c19909c9928273e0bcae01a39ce /arch/x86/kvm/x86.c
parent384cba25b886a06c9970189bfa50b7b03a57be65 (diff)
parent27eddbf3449026a73d6ed52d55b192bfcf526a03 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.14-rc4). No conflicts or adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8e77e61d4fbd..02159c967d29 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -10961,6 +10961,9 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
set_debugreg(vcpu->arch.eff_db[1], 1);
set_debugreg(vcpu->arch.eff_db[2], 2);
set_debugreg(vcpu->arch.eff_db[3], 3);
+ /* When KVM_DEBUGREG_WONT_EXIT, dr6 is accessible in guest. */
+ if (unlikely(vcpu->arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT))
+ kvm_x86_call(set_dr6)(vcpu, vcpu->arch.dr6);
} else if (unlikely(hw_breakpoint_active())) {
set_debugreg(0, 7);
}