diff options
Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index e9df1567d778..e832d3e9835e 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -17,6 +17,7 @@ config XTENSA select HAVE_DMA_API_DEBUG select HAVE_FUNCTION_TRACER select HAVE_FUTEX_CMPXCHG if !MMU + select HAVE_HW_BREAKPOINT if PERF_EVENTS select HAVE_IRQ_TIME_ACCOUNTING select HAVE_OPROFILE select HAVE_PERF_EVENTS @@ -138,6 +139,22 @@ config XTENSA_VARIANT_HAVE_PERF_EVENTS If unsure, say N. +config XTENSA_FAKE_NMI + bool "Treat PMM IRQ as NMI" + depends on XTENSA_VARIANT_HAVE_PERF_EVENTS + default n + help + If PMM IRQ is the only IRQ at EXCM level it is safe to + treat it as NMI, which improves accuracy of profiling. + + If there are other interrupts at or above PMM IRQ priority level + but not above the EXCM level, PMM IRQ still may be treated as NMI, + but only if these IRQs are not used. There will be a build warning + saying that this is not safe, and a bugcheck if one of these IRQs + actually fire. + + If unsure, say N. + config XTENSA_UNALIGNED_USER bool "Unaligned memory access in use space" help @@ -413,8 +430,6 @@ config FORCE_MAX_ZONEORDER source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - config PLATFORM_WANT_DEFAULT_MEM def_bool n |