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ed0bc98f8c
This implements the tricky tracing and soft irq handling bits in C, leaving the low level bit to asm. A functional difference is that this redirects the interrupt exit to a return stub to execute blr, rather than the lr address itself. This is probably barely measurable on real hardware, but it keeps the link stack balanced. Tested with QEMU. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> [mpe: Move power4_fixup_nap back into exceptions-64s.S] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190711022404.18132-1-npiggin@gmail.com |
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| fsl_uli1575.c | ||
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