diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-09-11 17:37:09 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-09-11 17:40:13 -0700 |
| commit | fc3a2810412c163b5df1b377d332e048860f45db (patch) | |
| tree | 9eeb81c7f965176a32ca3062aefcc3532c637b01 /arch/x86/kvm/x86.c | |
| parent | 5f790208d68fe1526c751dc2af366c7b552b8631 (diff) | |
| parent | db87bd2ad1f736c2f7ab231f9b40c885934f6b2c (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc6).
Conflicts:
net/netfilter/nft_set_pipapo.c
net/netfilter/nft_set_pipapo_avx2.c
c4eaca2e1052 ("netfilter: nft_set_pipapo: don't check genbit from packetpath lookups")
84c1da7b38d9 ("netfilter: nft_set_pipapo: use avx2 algorithm for insertions too")
Only trivial adjacent changes (in a doc and a Makefile).
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 604490b1cb19..706b6fd56d3c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -11011,6 +11011,15 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) wrmsrq(MSR_IA32_XFD_ERR, 0); /* + * Mark this CPU as needing a branch predictor flush before running + * userspace. Must be done before enabling preemption to ensure it gets + * set for the CPU that actually ran the guest, and not the CPU that it + * may migrate to. + */ + if (cpu_feature_enabled(X86_FEATURE_IBPB_EXIT_TO_USER)) + this_cpu_write(x86_ibpb_exit_to_user, true); + + /* * Consume any pending interrupts, including the possible source of * VM-Exit on SVM and any ticks that occur between VM-Exit and now. * An instruction is required after local_irq_enable() to fully unblock |