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| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-01-31 11:24:00 -0600 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-01-31 11:24:00 -0600 |
| commit | 30716e07ef511ec7525c07eb1e8060ba8943c2a2 (patch) | |
| tree | eb6a47cae63d3587fa773cc5a16781eaa2c7810b /arch/mips/Kconfig | |
| parent | 03c79cc56e4497cbd09d74a73c1bd0d1d9a8a16c (diff) | |
| parent | f56df2f4db6e4af87fb8e941cff69f4501a111df (diff) | |
| download | linux-30716e07ef511ec7525c07eb1e8060ba8943c2a2.tar.gz linux-30716e07ef511ec7525c07eb1e8060ba8943c2a2.tar.xz | |
Merge branch 'linus'
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index fd2ff0698a85..bbd386f572d9 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1568,6 +1568,20 @@ config MIPS_MT_FPAFF depends on MIPS_MT default y +config MIPS_MT_SMTC_INSTANT_REPLAY + bool "Low-latency Dispatch of Deferred SMTC IPIs" + depends on MIPS_MT_SMTC + default y + help + SMTC pseudo-interrupts between TCs are deferred and queued + if the target TC is interrupt-inhibited (IXMT). In the first + SMTC prototypes, these queued IPIs were serviced on return + to user mode, or on entry into the kernel idle loop. The + INSTANT_REPLAY option dispatches them as part of local_irq_restore() + processing, which adds runtime overhead (hence the option to turn + it off), but ensures that IPIs are handled promptly even under + heavy I/O interrupt load. + config MIPS_VPE_LOADER_TOM bool "Load VPE program into memory hidden from linux" depends on MIPS_VPE_LOADER |