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Nicholas Piggin authored
Compact the trap flags down to use the low 4 bits of regs.trap. A few 64e interrupt trap numbers set bit 4. Although they tended to be trivial so it wasn't a real problem[1], it is not the right thing to do, and confusing. [*] E.g., 0x310 hypercall goes to unknown_exception, which prints regs->trap directly so 0x310 will appear fine, and only the syscall interrupt will test norestart, so it won't be confused by 0x310. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210316104206.407354-12-npiggin@gmail.com
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