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b44fc96d7b
This adds IRQ_HARD_DIS to irq_happened. Although it doesn't seem to matter much because we're not allowed to enable irqs in an NMI handler, the soft-irq debugging code is becoming more strict about ensuring IRQ_HARD_DIS is in sync with MSR[EE], this may help avoid asserts or other issues. Add a comment explaining why MCE does not have this. Early machine check is generally much smaller and more contained code which will explode if you look at it wrong anyway as it runs in real mode, though there's an argument that we should do similar reconciling for the MCE as well. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200225173541.1549955-22-npiggin@gmail.com |
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