Interrupt handling between win95 and win98

I have a question: is the interrupt handling (in isr) different between
win95(VxD) and win98(WDM)? I mean by default for win95 when in ISR, the
interrupt is disabled, so there is no priority issue like that in
WDM/Kernel-Mode for winNT/2K. However, how about the WDM’s ISRs in Win98?
What should I expect?

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