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irqdomain: Kill CONFIG_IRQ_DOMAIN_DEBUG

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CONFIG_IRQ_DOMAIN_DEBUG is similar to CONFIG_GENERIC_IRQ_DEBUGFS,
just with less information.

Spring cleanup time.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yang Shunyong <shunyong.yang@hxt-semitech.com>
Link: https://lkml.kernel.org/r/20180117142647.23622-1-marc.zyngier@arm.com
This commit is contained in:
Marc Zyngier
2018-01-17 14:26:47 +00:00
committed by Thomas Gleixner
parent 80023aea83
commit c5baa1be8f
21 changed files with 2 additions and 180 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/IRQ-domain.txt
+2 -34
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@@ -265,37 +265,5 @@ support other architectures, such as ARM, ARM64 etc.
=== Debugging === === Debugging ===
If you switch on CONFIG_IRQ_DOMAIN_DEBUG (which depends on Most of the internals of the IRQ subsystem are exposed in debugfs by
CONFIG_IRQ_DOMAIN and CONFIG_DEBUG_FS), you will find a new file in turning CONFIG_GENERIC_IRQ_DEBUGFS on.
your debugfs mount point, called irq_domain_mapping. This file
contains a live snapshot of all the IRQ domains in the system:
name mapped linear-max direct-max devtree-node
pl061 8 8 0 /smb/gpio@e0080000
pl061 8 8 0 /smb/gpio@e1050000
pMSI 0 0 0 /interrupt-controller@e1101000/v2m@e0080000
MSI 37 0 0 /interrupt-controller@e1101000/v2m@e0080000
GICv2m 37 0 0 /interrupt-controller@e1101000/v2m@e0080000
GICv2 448 448 0 /interrupt-controller@e1101000
it also iterates over the interrupts to display their mapping in the
domains, and makes the domain stacking visible:
irq hwirq chip name chip data active type domain
1 0x00019 GICv2 0xffff00000916bfd8 * LINEAR GICv2
2 0x0001d GICv2 0xffff00000916bfd8 LINEAR GICv2
3 0x0001e GICv2 0xffff00000916bfd8 * LINEAR GICv2
4 0x0001b GICv2 0xffff00000916bfd8 * LINEAR GICv2
5 0x0001a GICv2 0xffff00000916bfd8 LINEAR GICv2
[...]
96 0x81808 MSI 0x (null) RADIX MSI
96+ 0x00063 GICv2m 0xffff8003ee116980 RADIX GICv2m
96+ 0x00063 GICv2 0xffff00000916bfd8 LINEAR GICv2
97 0x08800 MSI 0x (null) * RADIX MSI
97+ 0x00064 GICv2m 0xffff8003ee116980 * RADIX GICv2m
97+ 0x00064 GICv2 0xffff00000916bfd8 * LINEAR GICv2
Here, interrupts 1-5 are only using a single domain, while 96 and 97
are build out of a stack of three domain, each level performing a
particular function.
arch/arm/configs/aspeed_g4_defconfig
-1
View File
@@ -1,7 +1,6 @@
CONFIG_KERNEL_XZ=y CONFIG_KERNEL_XZ=y
# CONFIG_SWAP is not set # CONFIG_SWAP is not set
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_LOG_BUF_SHIFT=14 CONFIG_LOG_BUF_SHIFT=14
arch/arm/configs/aspeed_g5_defconfig
-1
View File
@@ -1,7 +1,6 @@
CONFIG_KERNEL_XZ=y CONFIG_KERNEL_XZ=y
# CONFIG_SWAP is not set # CONFIG_SWAP is not set
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_LOG_BUF_SHIFT=14 CONFIG_LOG_BUF_SHIFT=14
arch/arm/configs/hisi_defconfig
-1
View File
@@ -1,4 +1,3 @@
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_BLK_DEV_INITRD=y CONFIG_BLK_DEV_INITRD=y
arch/arm/configs/multi_v7_defconfig
-1
View File
@@ -1,6 +1,5 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_CGROUPS=y CONFIG_CGROUPS=y
arch/arm/configs/mvebu_v7_defconfig
-1
View File
@@ -1,6 +1,5 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_LOG_BUF_SHIFT=14 CONFIG_LOG_BUF_SHIFT=14
CONFIG_BLK_DEV_INITRD=y CONFIG_BLK_DEV_INITRD=y
arch/arm/configs/pxa_defconfig
-1
View File
@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT=y
arch/arm/configs/sama5_defconfig
-1
View File
@@ -2,7 +2,6 @@
# CONFIG_SWAP is not set # CONFIG_SWAP is not set
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_LOG_BUF_SHIFT=14 CONFIG_LOG_BUF_SHIFT=14
arch/arm/configs/tegra_defconfig
-1
View File
@@ -1,5 +1,4 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y CONFIG_IKCONFIG=y
arch/arm/configs/vt8500_v6_v7_defconfig
-1
View File
@@ -1,4 +1,3 @@
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_BLK_DEV_INITRD=y CONFIG_BLK_DEV_INITRD=y
arch/powerpc/configs/fsl-emb-nonhw.config
-1
View File
@@ -71,7 +71,6 @@ CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_VERBOSE=y CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_SCTP=m CONFIG_IP_SCTP=m
CONFIG_IPV6=y CONFIG_IPV6=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_ISO9660_FS=m CONFIG_ISO9660_FS=m
CONFIG_JFFS2_FS_DEBUG=1 CONFIG_JFFS2_FS_DEBUG=1
CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS=y
arch/powerpc/configs/powernv_defconfig
-1
View File
@@ -4,7 +4,6 @@ CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_AUDIT=y CONFIG_AUDIT=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_TASKSTATS=y CONFIG_TASKSTATS=y
arch/powerpc/configs/ppc64_defconfig
-1
View File
@@ -1,7 +1,6 @@
CONFIG_PPC64=y CONFIG_PPC64=y
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_TASKSTATS=y CONFIG_TASKSTATS=y
arch/powerpc/configs/pseries_defconfig
-1
View File
@@ -3,7 +3,6 @@ CONFIG_NR_CPUS=2048
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_AUDIT=y CONFIG_AUDIT=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ=y CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_TASKSTATS=y CONFIG_TASKSTATS=y
arch/xtensa/configs/audio_kc705_defconfig
-1
View File
@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_IRQ_TIME_ACCOUNTING=y CONFIG_IRQ_TIME_ACCOUNTING=y
arch/xtensa/configs/cadence_csp_defconfig
-1
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@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_USELIB=y CONFIG_USELIB=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_IRQ_TIME_ACCOUNTING=y CONFIG_IRQ_TIME_ACCOUNTING=y
arch/xtensa/configs/generic_kc705_defconfig
-1
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@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_IRQ_TIME_ACCOUNTING=y CONFIG_IRQ_TIME_ACCOUNTING=y
arch/xtensa/configs/nommu_kc705_defconfig
-1
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@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_IRQ_TIME_ACCOUNTING=y CONFIG_IRQ_TIME_ACCOUNTING=y
arch/xtensa/configs/smp_lx200_defconfig
-1
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@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y CONFIG_HIGH_RES_TIMERS=y
CONFIG_IRQ_TIME_ACCOUNTING=y CONFIG_IRQ_TIME_ACCOUNTING=y
kernel/irq/Kconfig
-10
View File
@@ -103,16 +103,6 @@ config GENERIC_IRQ_MATRIX_ALLOCATOR
config GENERIC_IRQ_RESERVATION_MODE config GENERIC_IRQ_RESERVATION_MODE
bool bool
config IRQ_DOMAIN_DEBUG
bool "Expose hardware/virtual IRQ mapping via debugfs"
depends on IRQ_DOMAIN && DEBUG_FS
help
This option will show the mapping relationship between hardware irq
numbers and Linux irq numbers. The mapping is exposed via debugfs
in the file "irq_domain_mapping".
If you don't know what this means you don't need it.
# Support forced irq threading # Support forced irq threading
config IRQ_FORCED_THREADING config IRQ_FORCED_THREADING
bool bool

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