diff options
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 000000000000..22c3cdaf22fe --- /dev/null +++ b/drivers/sh/Kconfig | |||
@@ -0,0 +1,13 @@ | |||
1 | config INTC_USERIMASK | ||
2 | bool "Userspace interrupt masking support" | ||
3 | depends on ARCH_SHMOBILE || (SUPERH && CPU_SH4A) | ||
4 | help | ||
5 | This enables support for hardware-assisted userspace hardirq | ||
6 | masking. | ||
7 | |||
8 | SH-4A and newer interrupt blocks all support a special shadowed | ||
9 | page with all non-masking registers obscured when mapped in to | ||
10 | userspace. This is primarily for use by userspace device | ||
11 | drivers that are using special priority levels. | ||
12 | |||
13 | If in doubt, say N. | ||