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| author |   Jakub Kicinski <kuba@kernel.org> | 2022-03-03 11:55:12 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-03 11:55:12 -0800 |
| commit | 80901bff812984624918d9d03f9286e3245ee9a5 (patch) | |
| tree | 945b0f2416cb904e5a178f2d099958b510ed1d56 /arch/x86/kvm/mmu/mmu.c | |
| parent | Merge branch 'ptp-ocp-next' (diff) | |
| parent | Merge tag 'net-5.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | linux-dev-80901bff812984624918d9d03f9286e3245ee9a5.tar.xz linux-dev-80901bff812984624918d9d03f9286e3245ee9a5.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/batman-adv/hard-interface.c
commit 690bb6fb64f5 ("batman-adv: Request iflink once in batadv-on-batadv check")
commit 6ee3c393eeb7 ("batman-adv: Demote batadv-on-batadv skip error message")
https://lore.kernel.org/all/20220302163049.101957-1-sw@simonwunderlich.de/
net/smc/af_smc.c
commit 4d08b7b57ece ("net/smc: Fix cleanup when register ULP fails")
commit 462791bbfa35 ("net/smc: add sysctl interface for SMC")
https://lore.kernel.org/all/20220302112209.355def40@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/kvm/mmu/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 593093b52395..8e24f73bf60b 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -3889,12 +3889,23 @@ static void shadow_page_table_clear_flood(struct kvm_vcpu *vcpu, gva_t addr) walk_shadow_page_lockless_end(vcpu); } +static u32 alloc_apf_token(struct kvm_vcpu *vcpu) +{ + /* make sure the token value is not 0 */ + u32 id = vcpu->arch.apf.id; + + if (id << 12 == 0) + vcpu->arch.apf.id = 1; + + return (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id; +} + static bool kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, gfn_t gfn) { struct kvm_arch_async_pf arch; - arch.token = (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id; + arch.token = alloc_apf_token(vcpu); arch.gfn = gfn; arch.direct_map = vcpu->arch.mmu->direct_map; arch.cr3 = vcpu->arch.mmu->get_guest_pgd(vcpu); |