Hello Dave,
I have made a new set of IPI patches, this time it includes a patch for
SUN4M but still missing SUN4D however.
I have tried to use BTFIXUPs and extract some code from the LEON to the
common smp_32.c as you suggested. I have left the non-spinlock LEON code
around per-cpu work data as we discussed, I think the same argumentation
works for sun4m to avoid races when clearing the pending register in the
interrupt trap handler.
This time I added some IPI IRQ statistics to the genirq
arch_show_interrupts(),
so the patches must be applied to sparc-next containing genirq patches.
Daniel
arch/sparc/Kconfig | 3 +-
arch/sparc/include/asm/cpudata_32.h | 5 ++
arch/sparc/include/asm/leon.h | 4 +-
arch/sparc/include/asm/smp_32.h | 22 +++----
arch/sparc/kernel/entry.S | 45 +++++++++++++-
arch/sparc/kernel/irq_32.c | 10 +++
arch/sparc/kernel/leon_smp.c | 109
++++++++++++++++++++++++++++++++++-
arch/sparc/kernel/smp_32.c | 52 +++++++++++++++--
arch/sparc/kernel/sun4m_smp.c | 29 +++++++++
9 files changed, 251 insertions(+), 28 deletions(-)
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