diff options
| author | Sean Christopherson <[email protected]> | 2021-03-25 13:01:17 -0700 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2021-03-30 13:19:55 -0400 |
| commit | a835429cda91621fca915d80672a157b47738afb (patch) | |
| tree | f7fc9e9c497b25df5d3ad9978ff47a7a7b290c94 /tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
KVM: x86/mmu: Ensure TLBs are flushed when yielding during GFN range zap
When flushing a range of GFNs across multiple roots, ensure any pending
flush from a previous root is honored before yielding while walking the
tables of the current root.
Note, kvm_tdp_mmu_zap_gfn_range() now intentionally overwrites its local
"flush" with the result to avoid redundant flushes. zap_gfn_range()
preserves and return the incoming "flush", unless of course the flush was
performed prior to yielding and no new flush was triggered.
Fixes: 1af4a96025b3 ("KVM: x86/mmu: Yield in TDU MMU iter even if no SPTES changed")
Cc: [email protected]
Reviewed-by: Ben Gardon <[email protected]>
Signed-off-by: Sean Christopherson <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c')
0 files changed, 0 insertions, 0 deletions