michaelh/zephyr
1
0
Fork 0
Code Releases Activity

arch: Let CONFIG_IRQ_OFFLOAD_NESTED be overridable

Browse source 
This is currently selected by the arch, but some devices (in paticular
xtensa ones which have configurable interrupt setups) might not
actually be able to effect an irq_offload() from within an ISR even
though we have code for it.

Make this a default and not a select so that lower layers can override
the setting.

Signed-off-by: Andy Ross <andyross@google.com>
This commit is contained in:
Andy Ross 2024-06-10 12:33:16 -07:00 • committed by Benjamin Cabé
commit f7c10ac194
1 changed files with 5 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

13
arch/Kconfig
View file

@ -50,7 +50,6 @@ config ARM64
select ARCH_HAS_THREAD_LOCAL_STORAGE
select USE_SWITCH
select USE_SWITCH_SUPPORTED
select IRQ_OFFLOAD_NESTED if IRQ_OFFLOAD
select BARRIER_OPERATIONS_ARCH
select ARCH_HAS_DIRECTED_IPIS
select ARCH_HAS_DEMAND_PAGING
@ -95,7 +94,6 @@ config X86
select ARCH_HAS_THREAD_LOCAL_STORAGE
select ARCH_HAS_DEMAND_PAGING if !X86_64
select ARCH_HAS_DEMAND_MAPPING if ARCH_HAS_DEMAND_PAGING
select IRQ_OFFLOAD_NESTED if IRQ_OFFLOAD
select NEED_LIBC_MEM_PARTITION if USERSPACE && TIMING_FUNCTIONS \
&& !BOARD_HAS_TIMING_FUNCTIONS \
&& !SOC_HAS_TIMING_FUNCTIONS
@ -123,7 +121,6 @@ config RISCV
select ARCH_SUPPORTS_EMPTY_IRQ_SPURIOUS
select ARCH_HAS_CODE_DATA_RELOCATION
select ARCH_HAS_THREAD_LOCAL_STORAGE
select IRQ_OFFLOAD_NESTED if IRQ_OFFLOAD
select USE_SWITCH_SUPPORTED
select USE_SWITCH
select SCHED_IPI_SUPPORTED if SMP
@ -138,7 +135,6 @@ config XTENSA
select ARCH_IS_SET
select USE_SWITCH
select USE_SWITCH_SUPPORTED
select IRQ_OFFLOAD_NESTED if IRQ_OFFLOAD
select ARCH_HAS_CODE_DATA_RELOCATION
select ARCH_HAS_TIMING_FUNCTIONS
select ARCH_MEM_DOMAIN_DATA if USERSPACE
@ -581,11 +577,12 @@ config IRQ_OFFLOAD
config IRQ_OFFLOAD_NESTED
bool "irq_offload() supports nested IRQs"
depends on IRQ_OFFLOAD
default y if ARM64 || X86 || RISCV || XTENSA
help
When set by the arch layer, indicates that irq_offload() may
legally be called in interrupt context to cause a
synchronous nested interrupt on the current CPU. Not all
hardware is capable.
When set by the platform layers, indicates that
irq_offload() may legally be called in interrupt context to
cause a synchronous nested interrupt on the current CPU.
Not all hardware is capable.
config EXCEPTION_DEBUG
bool "Unhandled exception debugging"