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| author |   Vineet Gupta <vgupta@synopsys.com> | 2016-02-19 08:18:11 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2016-02-24 11:07:32 +0530 |
| commit | d73b73f5626ac0b131b31b7b9457e19201bc570b (patch) | |
| tree | a18e34e5a030277ad20ba88186cd3e4211a3d5c6 | |
| parent | ARCv2: Elide sending new cross core intr if receiver didn't ack prev (diff) | |
| download | linux-dev-d73b73f5626ac0b131b31b7b9457e19201bc570b.tar.xz linux-dev-d73b73f5626ac0b131b31b7b9457e19201bc570b.zip | |
ARC: SMP: No need for CONFIG_ARC_IPI_DBG
This was more relevant during SMP bringup.
The warning for bogus msg better be visible always.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
| -rw-r--r-- | arch/arc/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arc/kernel/mcip.c | 9 | ||||
| -rw-r--r-- | arch/arc/kernel/smp.c | 3 |
3 files changed, 1 insertions, 19 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 4abc81907071..8a188bc1786a 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -532,14 +532,6 @@ config ARC_DBG_TLB_MISS_COUNT Counts number of I and D TLB Misses and exports them via Debugfs The counters can be cleared via Debugfs as well -if SMP - -config ARC_IPI_DBG - bool "Debug Inter Core interrupts" - default n - -endif - endif config ARC_UBOOT_SUPPORT diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index 7afc3c703ed1..7b4af70ffd18 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -65,7 +65,6 @@ static void mcip_ipi_clear(int irq) { unsigned int cpu, c; unsigned long flags; - unsigned int __maybe_unused copy; if (unlikely(irq == SOFTIRQ_IRQ)) { arc_softirq_clear(irq); @@ -77,7 +76,7 @@ static void mcip_ipi_clear(int irq) /* Who sent the IPI */ __mcip_cmd(CMD_INTRPT_CHECK_SOURCE, 0); - copy = cpu = read_aux_reg(ARC_REG_MCIP_READBACK); /* 1,2,4,8... */ + cpu = read_aux_reg(ARC_REG_MCIP_READBACK); /* 1,2,4,8... */ /* * In rare case, multiple concurrent IPIs sent to same target can @@ -91,12 +90,6 @@ static void mcip_ipi_clear(int irq) } while (cpu); raw_spin_unlock_irqrestore(&mcip_lock, flags); - -#ifdef CONFIG_ARC_IPI_DBG - if (c != __ffs(copy)) - pr_info("IPIs from %x coalesced to %x\n", - copy, raw_smp_processor_id()); -#endif } static void mcip_probe_n_setup(void) diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index ef6e9e15b82a..424e937da5c8 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -336,11 +336,8 @@ irqreturn_t do_IPI(int irq, void *dev_id) int rc; rc = __do_IPI(msg); -#ifdef CONFIG_ARC_IPI_DBG - /* IPI received but no valid @msg */ if (rc) pr_info("IPI with bogus msg %ld in %ld\n", msg, copy); -#endif pending &= ~(1U << msg); } while (pending); |