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| author | Paul Mundt <lethal@linux-sh.org> | 2009-06-11 09:33:09 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-06-11 09:33:09 +0200 |
| commit | 54ff328b46e58568c4b3350c2fa3223ef862e5a4 (patch) | |
| tree | 93a39c2dffa2490fd62f6441acba5538abf56b03 /arch/sh/Kconfig | |
| parent | sh: Wire up sys_rt_tgsigqueueinfo. (diff) | |
| download | linux-54ff328b46e58568c4b3350c2fa3223ef862e5a4.tar.xz linux-54ff328b46e58568c4b3350c2fa3223ef862e5a4.zip | |
sh: Tie sparseirq in to Kconfig.
Now that the dependent patches are merged, we are ready to enable
sparseirq support. This simply adds the Kconfig option, and then converts
from the _cpu to the _node allocation routines to follow the upstream
sparseirq API changes.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/Kconfig')
| -rw-r--r-- | arch/sh/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index b5629cdc37a0..586cd045e2db 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -678,6 +678,18 @@ config GUSA_RB LLSC, this should be more efficient than the other alternative of disabling interrupts around the atomic sequence. +config SPARSE_IRQ + bool "Support sparse irq numbering" + depends on EXPERIMENTAL + help + This enables support for sparse irqs. This is useful in general + as most CPUs have a fairly sparse array of IRQ vectors, which + the irq_desc then maps directly on to. Systems with a high + number of off-chip IRQs will want to treat this as + experimental until they have been independently verified. + + If you don't know what to do here, say N. + endmenu menu "Boot options" |