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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-01-23 11:19:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-01-23 11:19:32 -0800 |
| commit | d227e87e6c939c6071def92bc7691ad774c733ff (patch) | |
| tree | 31fbc74974da765322b26de321e0b33f2f7e1478 /arch/mips/Kconfig | |
| parent | f66d45e99eb7ca91822c3e3f6d7a98843c9626cb (diff) | |
| parent | 364ca8a897eadb2f0e76b7f0ffe94168f6d83d66 (diff) | |
| download | kernel-crypto-d227e87e6c939c6071def92bc7691ad774c733ff.tar.gz kernel-crypto-d227e87e6c939c6071def92bc7691ad774c733ff.tar.xz kernel-crypto-d227e87e6c939c6071def92bc7691ad774c733ff.zip | |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Vr41xx: Fix after GENERIC_HARDIRQS_NO__DO_IRQ change
[MIPS] SMTC: Instant IPI replay.
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 fd2ff0698a8..bbd386f572d 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 |