diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-17 16:38:06 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-17 16:38:06 -0800 |
commit | dbfc985195410dad803c845743c63cd73bd1fe32 (patch) | |
tree | 6bf6dbecb92539285ebb89948e63e691a0947941 /arch/mips/kernel/irq.c | |
parent | 7c508e50be47737b9a72d0f15c3ef1146925e2d2 (diff) | |
parent | 606d62fa02cf1da43c6e21521650fff07a2e56d1 (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (71 commits)
MIPS: Lasat: Fix botched changes to sysctl code.
RTC: rtc-cmos.c: Fix warning on MIPS
MIPS: Cleanup random differences beween lmo and Linus' kernel.
MIPS: No longer hardwire CONFIG_EMBEDDED to y
MIPS: Fix and enhance built-in kernel command line
MIPS: eXcite: Remove platform.
MIPS: Loongson: Cleanups of serial port support
MIPS: Lemote 2F: Suspend CS5536 MFGPT Timer
MIPS: Excite: move iodev_remove to .devexit.text
MIPS: Lasat: Convert to proc_fops / seq_file
MIPS: Cleanup signal code initialization
MIPS: Modularize COP2 handling
MIPS: Move EARLY_PRINTK to Kconfig.debug
MIPS: Yeeloong 2F: Cleanup reset logic using the new ec_write function
MIPS: Yeeloong 2F: Add LID open event as the wakeup event
MIPS: Yeeloong 2F: Add basic EC operations
MIPS: Move several variables from .bss to .init.data
MIPS: Tracing: Make function graph tracer work with -mmcount-ra-address
MIPS: Tracing: Reserve $12(t0) for mcount-ra-address of gcc 4.5
MIPS: Tracing: Make ftrace for MIPS work without -fno-omit-frame-pointer
...
Diffstat (limited to 'arch/mips/kernel/irq.c')
-rw-r--r-- | arch/mips/kernel/irq.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index 8b0b4181219..981f86c2616 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -22,6 +22,7 @@ #include <linux/seq_file.h> #include <linux/kallsyms.h> #include <linux/kgdb.h> +#include <linux/ftrace.h> #include <asm/atomic.h> #include <asm/system.h> @@ -150,3 +151,32 @@ void __init init_IRQ(void) kgdb_early_setup = 1; #endif } + +/* + * do_IRQ handles all normal device IRQ's (the special + * SMP cross-CPU interrupts have their own specific + * handlers). + */ +void __irq_entry do_IRQ(unsigned int irq) +{ + irq_enter(); + __DO_IRQ_SMTC_HOOK(irq); + generic_handle_irq(irq); + irq_exit(); +} + +#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF +/* + * To avoid inefficient and in some cases pathological re-checking of + * IRQ affinity, we have this variant that skips the affinity check. + */ + +void __irq_entry do_IRQ_no_affinity(unsigned int irq) +{ + irq_enter(); + __NO_AFFINITY_IRQ_SMTC_HOOK(irq); + generic_handle_irq(irq); + irq_exit(); +} + +#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */ |