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| author | Saurabh Sengar <[email protected]> | 2023-09-19 21:04:35 -0700 |
|---|---|---|
| committer | Wei Liu <[email protected]> | 2023-09-22 18:40:53 +0000 |
| commit | f2a55d08d7e1a5746dad80fc5eda023eff2eeea5 (patch) | |
| tree | 1accc73c8ee6d950c7e9a6370112c8cc5e3cf8bb /scripts/generate_rust_analyzer.py | |
| parent | ce9ecca0238b140b88f43859b211c9fdfd8e5b70 (diff) | |
x86/hyperv: Restrict get_vtl to only VTL platforms
When Linux runs in a non-default VTL (CONFIG_HYPERV_VTL_MODE=y),
get_vtl() must never fail as its return value is used in negotiations
with the host. In the more generic case, (CONFIG_HYPERV_VTL_MODE=n) the
VTL is always zero so there's no need to do the hypercall.
Make get_vtl() BUG() in case of failure and put the implementation under
"if IS_ENABLED(CONFIG_HYPERV_VTL_MODE)" to avoid the call altogether in
the most generic use case.
Signed-off-by: Saurabh Sengar <[email protected]>
Reviewed-by: Vitaly Kuznetsov <[email protected]>
Signed-off-by: Wei Liu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'scripts/generate_rust_analyzer.py')
0 files changed, 0 insertions, 0 deletions