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Diffstat (limited to 'drivers/sh/Kconfig')
| -rw-r--r-- | drivers/sh/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/sh/Kconfig b/drivers/sh/Kconfig new file mode 100644 index 00000000000..22c3cdaf22f --- /dev/null +++ b/drivers/sh/Kconfig @@ -0,0 +1,13 @@ +config INTC_USERIMASK + bool "Userspace interrupt masking support" + depends on ARCH_SHMOBILE || (SUPERH && CPU_SH4A) + help + This enables support for hardware-assisted userspace hardirq + masking. + + SH-4A and newer interrupt blocks all support a special shadowed + page with all non-masking registers obscured when mapped in to + userspace. This is primarily for use by userspace device + drivers that are using special priority levels. + + If in doubt, say N. |