x86/hyperv: Use direct call to hypercall-page

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Instead of using an indirect call to the hypercall page, use a direct
call instead. This avoids all CFI problems, including the one where
the hypercall page doesn't have IBT on.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Sean Christopherson <seanjc@google.com>
Link: https://lkml.kernel.org/r/20250714103441.011387946@infradead.org

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Peter Zijlstra 2025-04-12 13:55:55 +02:00

parent 0e20f1f4c2

commit c8ed081264

1 changed files with 30 additions and 31 deletions

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arch/x86/hyperv/hv_init.c

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