[PATCH 0/5] ARC IPI related fix

From: Vineet Gupta
Date: Tue Feb 23 2016 - 04:14:49 EST


Hi,

This cam eout of debugging a csd deadlock on ARC.
The fix itself is 1/5, rest of patches are additional improvements,
optimizations while we are at it.

Thx,
-Vineet

Vineet Gupta (5):
ARCv2: SMP: Emulate IPI to self using software triggered interrupt
ARC: [intc-compact] Remove IPI setup from ARCompact port
ARCv2: SMP: Push IPI_IRQ into IPI provider
ARCv2: Elide sending new cross core intr if receiver didn't ack prev
ARC: SMP: No need for CONFIG_ARC_IPI_DBG

arch/arc/Kconfig | 8 ------
arch/arc/include/asm/irq.h | 2 --
arch/arc/include/asm/irqflags-arcv2.h | 11 ++++++++
arch/arc/kernel/intc-compact.c | 3 --
arch/arc/kernel/mcip.c | 52 ++++++++++++++++++-----------------
arch/arc/kernel/smp.c | 3 --
6 files changed, 38 insertions(+), 41 deletions(-)

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2.5.0