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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 <ssengar@linux.microsoft.com> Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Wei Liu <wei.liu@kernel.org> Link: https://lore.kernel.org/r/1695182675-13405-1-git-send-email-ssengar@linux.microsoft.com |
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.. | ||
hv_apic.c | ||
hv_init.c | ||
hv_proc.c | ||
hv_spinlock.c | ||
hv_vtl.c | ||
irqdomain.c | ||
ivm.c | ||
Makefile | ||
mmu.c | ||
nested.c |