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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 10:42:22 +0100 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 18:46:01 +0100 |
| commit | 4788a5942bc896803c87005be8c6dd14c373a2d3 (patch) | |
| tree | 0999ce29d94a3517a30df1b1463fdd9c9d200b28 /arch/arc/Kconfig | |
| parent | ARC: OProfile support (diff) | |
| download | linux-4788a5942bc896803c87005be8c6dd14c373a2d3.tar.xz linux-4788a5942bc896803c87005be8c6dd14c373a2d3.zip | |
ARC: Support for high priority interrupts in the in-core intc
There is a bit of hack/kludge right now where we disable preemption if a
L2 (High prio) IRQ is taken while L1 (Low prio) is active.
Need to revisit this
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/Kconfig')
| -rw-r--r-- | arch/arc/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 405ea7a756b8..68350aa3d297 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -208,6 +208,25 @@ config ARC_PAGE_SIZE_4K endchoice +config ARC_COMPACT_IRQ_LEVELS + bool "ARCompact IRQ Priorities: High(2)/Low(1)" + default n + # Timer HAS to be high priority, for any other high priority config + select ARC_IRQ3_LV2 + +if ARC_COMPACT_IRQ_LEVELS + +config ARC_IRQ3_LV2 + bool + +config ARC_IRQ5_LV2 + bool + +config ARC_IRQ6_LV2 + bool + +endif + config ARC_FPU_SAVE_RESTORE bool "Enable FPU state persistence across context switch" default n |