* Rusty Russell <[email protected]> wrote:
> As the comment in arch/x86/include/asm/paravirt_types.h says:
>
> * Get/set interrupt state. save_fl and restore_fl are only
> * expected to use X86_EFLAGS_IF; all other bits
> * returned from save_fl are undefined, and may be ignored by
> * restore_fl.
There should be no 'may' about this: under CONFIG_PARAVIRT_DEBUG=y the reminder
of
the flags should be cleared (or all bits should be set: that will instantly
crash
if restored verbatim), so that we trip up generic code that relies on non-IF
restoration?
Thanks,
Ingo
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